Last updated: 2026-08-24
Honest Taskers, AGS Health, and Health Information Associates lead this year's shortlist of clinical documentation improvement specialist companies, seven firms ranked on how they raise the quality of clinical documentation, from concurrent review of an inpatient record and querying the physician for specificity to retrospective coding review, severity and risk capture, and the education that stops the same gap recurring. CDI comes in three shapes here, consulting and review, enterprise outsourcing, and software, and knowing which you need saves a false start. Below we set out why the work goes better with a specialist in the building, whether a query may suggest the answer that pays more, what the administrative layer costs, whether review is concurrent or retrospective, and what your query response rate is today.
Disclosure: Honest Taskers publishes this list and appears at position 1. We're judged on the same five published criteria as every other company here.
At a glance
- 1Honest Taskers
- 2AGS Health
- 3Health Information Associates
- 4Waystar
- 5MRO
- 6Plutus Health
- 7Transcure
How we chose the best clinical documentation improvement specialist companies
We ranked these firms on five facts, each read at the provider's own website in August 2026. Those facts are what CDI work is performed, what credentials or certifications are stated, published pricing, the purchase model, and named compliance. The distinction we weighted hardest is concurrent against retrospective. Concurrent CDI reviews the record while the patient is still admitted and queries the physician in time for them to answer meaningfully, which is where the clinical value sits. Retrospective review finds the same gaps after discharge, when the query is harder to answer honestly and often not worth asking. Both are sold as CDI. Only one is the thing that changes care documentation at the point it is written. Blank facts read "not publicly listed" instead of a guess.
Best clinical documentation improvement specialist companies compared
The table ranks all 7 on the same columns, Honest Taskers first because we publish the list. Facts were read August 2026 and change often, so treat them as a starting point, not a quote.
| Company | CDI work covered | Credential or certification stated | Published pricing | Purchase model | Compliance named |
|---|---|---|---|---|---|
| Honest Taskers | Query tracking and follow-up, physician reminder workflow, open encounter chasing, record assembly for review, education scheduling and tracking | None claimed for CDI; pool includes licensed nurses and physicians | $10.00–$12.65/hr | Staffing by the hour | Compliance officer; HIPAA compliance verified by Accountable; BAA when PHI is accessed |
| AGS Health | CDI named as a service, plus coding, claims, AR, denials, prior authorization, provider enrollment and credentialing | "Cybersecurity Transparent Designation 2023"; no CDI credential named | Not publicly listed | Outsourced service | Named designation only; no SOC 2, ISO or HITRUST |
| Health Information Associates | Acute coding review and CDI, compliance and financial audits, inpatient and outpatient coding, profee, ambulatory surgery review, coding education | 10 years average coder experience; 25 years average consultant experience; 200+ courses, 250 annual CEUs accepted by AHIMA | Not publicly listed | Consulting, review and outsourced coding | Not publicly listed |
| Waystar | Clinical Documentation Integrity, utilization management, prebill anomaly detection, DRG anomaly detection, Transfer DRG, charge integrity | Not applicable; software | Not publicly listed | Software license | HIPAA, SOC 2, HITRUST, PCI-DSS |
| MRO | Data abstraction and quality, Prodigy AI abstraction, revenue integrity, registry management, ROI | Not publicly listed | Not publicly listed | Outsourced service plus AI abstraction | HITRUST CSF certified, SOC 2, NCQA Validated Data Aggregator, BAA |
| Plutus Health | DRG validation, inpatient coding, HCC coding, medical coding audit, denial management | AAPC-certified audits referenced; 99.2% coding accuracy threshold | Not publicly listed | Outsourced service plus AI agents | HIPAA; SOC 2 Type II |
| Transcure | Coding audits inside whole-service RCM, plus billing, eligibility, MIPS, credentialing | AAPC-certified billers and coders (company-reported) | 3% to 5% of monthly collections | Percentage of collections | ISO 27001 (company-reported) |
Three firms name clinical documentation improvement or integrity explicitly, and they represent the three shapes: AGS Health as enterprise outsourcing, Health Information Associates as consulting and review with education attached, and Waystar as software. Notice that not one firm here names a CDI-specific credential such as CDIP or CCDS. That is a genuine gap in what this market publishes, and it should be your first question rather than an assumption.
1. Honest Taskers
Best for: hospitals and groups with CDI specialists whose time is consumed by chasing physicians rather than reviewing records.
Pricing: $10.00–$12.65/hrLocation: US clients; PH, LatAm, India and Pakistan recruitingModel: Staffing by the hourFirst hire: Two-week working trial
A CDI specialist's value is in reading a record and knowing what is missing. Most of their week is not that. It is sending a query, then following it up, then following it up again, then walking the ward to find the physician, then recording the response, then reconciling which queries are outstanding at month end, then chasing the encounters that were never closed at all. Honest Taskers places staff who work inside your electronic health record on that layer: tracking every open query and its age, running the reminder and escalation workflow to physicians, chasing open and unsigned encounters, assembling records for review, maintaining the query response log your reporting depends on, and scheduling and tracking clinician education. The reviewing and the querying judgement stay with your CDI team, who get their hours back. Staff are trained on HIPAA and data privacy under a dedicated compliance officer, work in your time zone, and a Business Associate Agreement is signed before anyone touches protected health information, with HIPAA compliance verified by Accountable. Rates run about $10 to $12.65 an hour by role, background, schedule, and location, with a two-week working trial on the first hire and 99.6% average monthly retention reported. See the virtual medical coder service for role detail.
Limitation: the firm claims no CDI or coding credential, so record review, query composition, and any clinical documentation judgement stay with your certified CDI specialists and clinicians.
2. AGS Health
Best for: health systems that want CDI outsourced alongside the coding and denial work it affects.
Pricing: Not publicly listedLocation: HQ Washington DC; delivery ChennaiModel: Outsourced serviceClients: Banner Health, Baylor Scott & White
AGS Health names clinical documentation improvement as a service, which puts it in a small group, and joins it to coding, claims, accounts receivable, denials, prior authorization, and provider enrollment and credentialing. That combination is the strongest argument for enterprise CDI outsourcing: documentation gaps show up as coding limitations, which show up as denials, and a firm holding all three can trace a denial pattern back to the note that caused it. Its named clients, Banner Health and Baylor Scott & White, indicate it is built for inpatient volume, which is where CDI programs live. It operates from Washington DC with a delivery center in Chennai, India.
Limitation: it names no CDI credential such as CDIP or CCDS, publishes no pricing, names only a Cybersecurity Transparent Designation from 2023, and offshore delivery raises real questions about concurrent physician querying that you should test directly.
3. Health Information Associates
Best for: organizations that want CDI review joined to coding review and clinician education from one specialist firm.
Pricing: Not publicly listedLocation: South CarolinaModel: Audit, CDI and outsourced codingExperience: 10 yrs average coder
Health Information Associates names acute coding review and clinical documentation improvement together, and that pairing reflects how the work functions: a documentation gap and a coding limitation are usually the same finding described from two ends. Around it sit compliance and financial audits, inpatient and outpatient coding support, professional fee solutions, ambulatory surgery coding and review, and denial management, across hospitals, physician groups, ambulatory surgery centers, behavioral health facilities, critical access hospitals, federally qualified health centers, pediatric hospitals, rehabilitation centers, rural health clinics, and urgent care. The education arm is the differentiator for CDI specifically: over 200 facility and professional fee courses with 250 annual continuing education units accepted by AHIMA and some by AAPC, because CDI succeeds through physician behavior change rather than through queries. It states 10 years average coder experience and 25 years average consultant experience, from South Carolina.
Limitation: no individual credentials are named, no pricing is published, and the site states no HIPAA, SOC 2, or Business Associate Agreement position, so the compliance basics need establishing in writing.
4. Waystar
Best for: organizations that want documentation gaps flagged automatically before the claim leaves.
Pricing: Not publicly listedLocation: Not publicly listedModel: Software platformCompliance: HIPAA, SOC 2, HITRUST, PCI-DSS
Waystar names Clinical Documentation Integrity as a product alongside utilization management, prebill anomaly detection, diagnosis related grouping anomaly detection, Transfer DRG, and charge integrity. On the inpatient side that Transfer DRG module is a genuinely specific capability, because transfer cases are a known and expensive area of underpayment that manual review rarely catches consistently. The software approach to CDI has a real advantage in coverage: a tool reviews every case rather than the percentage your CDI staff have time for. It reports more than a million providers and 60% of the US patient population, and holds HIPAA, SOC 2, HITRUST, and PCI-DSS compliance, the strongest position here.
Limitation: software flags a possible gap; it cannot ask a physician a clinically appropriate question, so you still need credentialed CDI staff to compose and pursue the query.
5. MRO
Best for: organizations whose documentation problem is abstraction accuracy for quality and registry reporting.
Pricing: Not publicly listedLocation: Not publicly listedModel: Outsourced service plus AI abstractionCompliance: HITRUST CSF, SOC 2
MRO reads this category as a data quality problem, which for quality reporting and registries is exactly right. Its data abstraction and quality service, formerly Q-Centrix, plus the Prodigy artificial intelligence abstraction engine, revenue integrity work, and registry management, address whether the clinical facts pulled from a record are complete and correct. Reported figures are the most specific on this list: 99% or better accuracy, 60% data element coverage at 97% or better accuracy for Prodigy, 18% higher accuracy than other artificial intelligence solutions, and twelve KLAS wins. Compliance is HITRUST CSF certified, SOC 2, and NCQA Validated Data Aggregator, with Business Associate Agreement capability.
Limitation: this is abstraction and data quality rather than clinical documentation improvement, so physician querying and severity capture are outside its scope.
6. Plutus Health
Best for: organizations whose CDI concern is severity and risk capture on inpatient and risk-adjusted populations.
Pricing: Not publicly listedLocation: Dallas TX; three delivery centersModel: Outsourced service plus AI agentsCompliance: SOC 2 Type II
Plutus Health names diagnosis related grouping validation, inpatient coding, HCC coding, and medical coding audit, which together cover the two places where documentation specificity translates directly into payment: inpatient severity capture and hierarchical condition category risk adjustment. HCC coding in particular is documentation-driven, since a condition not documented in the year does not count regardless of whether the patient still has it. It references AAPC-certified audits against a 99.2% coding accuracy threshold, and reports more than 9,000 providers across 40 or more US states, 1,600 agents and 25 artificial intelligence agents in production, from Dallas with three global delivery centers, stating HIPAA and SOC 2 Type II.
Limitation: clinical documentation improvement is not a named service and no CDI credential is stated, so this is validation and coding rather than concurrent documentation work.
7. Transcure
Best for: outpatient practices wanting documentation quality checked inside an existing revenue cycle engagement.
Pricing: 3% to 5% of monthly collectionsLocation: Texas, New Jersey, FloridaModel: Percentage of collectionsScale: 1,100+ certified billers and coders
Transcure includes audits within its whole revenue cycle work at 3% to 5% of monthly collections, which for an outpatient practice gives continuous documentation feedback at no separate cost. That matters because outpatient documentation improvement is mostly about evaluation and management level support and diagnosis specificity, which surfaces naturally in ongoing coding rather than needing a dedicated program. It states more than 1,100 certified billers and coders and AAPC certification, both company-reported, with offices in Texas, New Jersey, and Florida, coverage across more than 40 specialties, and ISO 27001 stated.
Limitation: CDI is not a named service and this is outpatient revenue cycle work, so inpatient severity capture and concurrent physician querying are not what it does.
Why does CDI work better with a specialist in the building?
Because the work depends on relationships and on being there while the patient is still admitted. Staff CDI in-house wherever you can. A CDI specialist who knows which hospitalist responds to queries and how to phrase one so it is answered gets results that a remote reviewer will not, and concurrent querying needs somebody present while the patient is still admitted. Support them with software, since a tool reviews every case rather than the fraction a person can reach, and prebill and transfer diagnosis related grouping detection catch categories of underpayment that manual review misses. Outsource when you cannot recruit, which is the honest reason most organizations do it, and test concurrent querying carefully if delivery is offshore. Then delegate the administrative layer regardless, because query tracking, physician chasing, open encounter follow-up, and education scheduling consume a large share of a CDI specialist's week and need no credential: a medical records specialist earned about $51,140 a year, roughly $24.59 an hour before benefits, according to the U.S. Bureau of Labor Statistics May 2025 wage data for medical records specialists, against roughly $10 to $13 an hour for placed remote staff. And attach education to everything, because CDI that relies on queries forever has not improved documentation, it has just patched it. For the administrative scope, see tasks to outsource to a virtual medical assistant.
May a CDI specialist's query suggest the answer that pays more?
Never, which is why the templates are worth reading before you sign. CDI sits directly on the line between accurate documentation and inappropriate influence, so how a query is written matters as much as whether it is answered.
- Queries that lead. A query must not suggest the answer that pays more. Ask to see query templates and the compliance review behind them.
- Credentials, by person. Ask for CDIP, CCDS, or equivalent on the individual. Not one firm here publishes a CDI credential unprompted.
- Concurrent capability. If the value you want is concurrent, test whether the provider can reach your physicians in time, in particular offshore.
- Physician relationship. A remote reviewer with no standing gets queries ignored. Establish who owns physician engagement.
- Compliance evidence. Positions range from HITRUST and SOC 2 to nothing stated. Get the Business Associate Agreement before record access.
What does a CDI specialist cost for the administrative layer?
Hourly at $10.00 to $12.65 for that layer specifically, which is one of two published rates against five quotes. Percentage of collections: Transcure at 3% to 5% of monthly collections, with audits bundled. Hourly: Honest Taskers at $10.00 to $12.65 depending on role, background, schedule, and location, for the administrative layer. AGS Health, Health Information Associates, Waystar, MRO, and Plutus Health are quote-only, and outsourced CDI in this market is commonly priced per case reviewed or per full-time equivalent, while CDI software is usually priced per bed or per case volume. None publishes a figure. The number to compare is cost per case reviewed against the documented case mix index or severity movement it produces, and any provider selling CDI should be willing to model that with your own data rather than a reference figure. Be sceptical of financial impact claims that assume every query is answered favorably. Rates were checked August 2026 and change often. For staffing rate context, see how much a virtual medical assistant costs in 2026.
Is the specialist doing concurrent or retrospective review?
Establish which, because both are called CDI and only one changes documentation at the point of care. Then query compliance, credentials and education.
- Concurrent or retrospective, stated. Establish which you are buying, since both are called CDI and only one changes documentation at the point of care.
- Query templates you can review. Ask for them, and check they do not lead to the answer that pays.
- CDIP or CCDS on the individual. Ask for the credential by person, in writing.
- Physician engagement plan. A query nobody answers is worthless. Ask how response rates are managed.
- Education attached. Sustainable CDI reduces query volume over time. Ask what education is included.
What is your query response rate before a specialist starts?
Measure it alongside open encounter volume, because those two numbers explain most CDI underperformance.
- Measure your current query volume, response rate, and average days to response.
- Count unsigned and open encounters, since documentation that is not finished cannot be improved.
- Delegate query tracking, physician chasing, and open encounter follow-up so your CDI specialists review records instead.
- Decide whether you need concurrent review, retrospective review, or software coverage, and shortlist on that alone.
- Attach clinician education to the top five recurring gaps, then re-measure response rate and case mix index after two quarters.
For the hiring route on the administrative side, read how to hire a virtual medical assistant.
Methodology and sources
We read each company's own website in August 2026, recording what CDI work is performed, what credentials or certifications are stated, published pricing, purchase model, and named compliance. Wage context is from the U.S. Bureau of Labor Statistics May 2025 Occupational Employment and Wage Statistics for medical records specialists. Documentation and coding requirements are set by the Centers for Medicare and Medicaid Services, and the CDIP and CCDS credentials referenced are administered by AHIMA and ACDIS respectively. Where a company didn't publish a fact, we marked it "not publicly listed"; accuracy figures are labeled company-reported and were not independently audited.
Related documentation staffing guides
If your CDI specialists are spending their week chasing queries rather than reading records, the fix is delegating that chase. Our explainer on what a virtual medical assistant is covers what a remote hire can own around a CDI program, and why query composition has to stay with credentialed staff.
Speak with Honest Taskers about supporting your CDI program.