NPI registry status
Active
2026 NPPES data Hospitalist Physician NPI 1164675765 MD
Verify on CMS → William Cleaver, MD
Hospitalist Physician in Glens Falls, New York.
This profile is drawn from the federal National Provider Identifier Registry (CMS NPPES), which lists more than 7 million U.S. healthcare providers - including 17,950 in Hospitalist Physician, and covers specialty classification, practice address, and Medicare Part D prescribing data when reported. According to CMS, every field reflects the provider's official federal registration, see our methodology.
Federal data, no proprietary rating.
We show these CMS records as-is - no composite score, no star rating, no editorial opinion layered on top.
Prescribing volume
245
Medicare Part D claims · 44 beneficiaries · Hospitalist Physician avg: 940
Generic prescribing
90%
generic claims · 10% brand-name · higher generic rates reduce patient out-of-pocket costs
MIPS score
93.9/100
▲ 10 pts above national avg 83.5 · Exceptional
Source: CMS Medicare Part D Prescriber Public Use File, 2024
What the federal data shows
William Cleaver, MD reported a CMS MIPS final score of 93.9/100 - above the 83.5 national average - and filed 245 Medicare Part D claims in 2024.
- 93.9/100
- MIPS score · +10 vs avg
- 245
- Part D claims, 2024
- 90%
- generic prescribing
- Likely
- board-certified (heuristic)
Every figure on this page comes straight from federal CMS records (NPPES, Medicare Part D, MIPS, Open Payments) - no proprietary rating or editorial opinion is applied.
Federal trust snapshot
What official records show about William Cleaver, MD
Federal records show an active NPI with both Medicare prescribing volume and a measured CMS quality score — objective registry data, not patient reviews.
- Verified
NPI registry status
Active listing in the CMS National Provider Identifier Registry (NPI 1164675765), first enumerated 10/28/2008.
Source: CMS NPPES
- Reported
Medicare Part D participation
Filed 245 Medicare Part D prescription claims in the 2023 CMS public use file — indicates active Medicare prescribing participation.
Source: CMS Part D Prescriber PUF
- Reported
CMS quality reporting (MIPS)
Reported a CMS MIPS final score of 93.9/100 in the Quality Payment Program — a federal quality measure, not a patient review.
Source: CMS Quality Payment Program
- Reported
Board certification signal
Heuristic suggests board-certified status based on ABMS-eligible specialty taxonomy plus active CMS participation signals — not a direct ABMS verification.
- State context
State board disciplinary context
New York statewide board action statistics are published annually — these figures describe aggregate state activity, not William Cleaver, MD's individual license status. Verify directly with the state medical board.
Source: NYSBPMC annual report 2023
- Not in federal data
Individual sanction lookup
PlainDoctor does not publish per-provider disciplinary determinations. Confirm current license and any individual actions through the state medical board or FSMB verification service.
Source: State medical board / FSMB
This trust snapshot summarizes only what appears in federal CMS/NPPES public records. It is not a composite score, star rating, patient review, or clinical recommendation. PlainDoctor never fabricates reviews or AggregateRating schema.
Compare Cleaver with other Hospitalist Physician providers
Same primary specialty, same federal CMS NPPES roster.
Also enrolled in New York
- Dr. Farrukh Abbas, MD Rochester, NY
- Dr. Hassan Abbas, M.D. Rochester, NY
- Dr. Suhail Abbasi, MD,FACP,FHM,FRCP Batavia, NY
- Fatmaalzahraa Abdelqader New York, NY
- Dr. Abdullah Abdullah, MD Rochester, NY
- Ayelet Abelow New York, NY
Other specialties in Glens Falls: Clinical Social Worker (66) · Physician Assistant (61) · Pharmacist (48) · Addiction (Substance Use Disorder) Counselor (48)
CMS NPPES provider registry desk
NPI 1164675765 · Hospitalist Physician
NPI-10 · ENUM-MID · TAX-MID · MIPS-ELITE · RX-LIGHT · BOOK-LIGHT · PHOTO-FINISH
- NPI-10 1164675765
- ENUM-MID 2008
- TAX-MID 18K Hospitalist Physician
- MIPS-ELITE 93.9/100
- RX-LIGHT 245
- BOOK-LIGHT 1,316 in New York
- PHOTO-FINISH Justin Hartman, D.O. · ±0.1
MIPS final-score neighbourhood
Same-specialty nationwide peers by CMS final score, not geographic proximity
- Michael Centore,…
Michael Centore, DO
93.8 MIPS pts
- Elizabeth Chow, …
Elizabeth Chow, MD
93.8 MIPS pts
- Cleaver · this p…
Cleaver · this provider
93.9 MIPS pts
- Justin Hartman, …
Justin Hartman, D.O.
94 MIPS pts
What this shows Nearest measured MIPS peers for this NUCC specialty (2023 performance year).
William Cleaver, MD's MIPS score vs every measured U.S. clinician
CMS Merit-based Incentive Payment System (MIPS) final score, 2023, the federal quality measure. Clinicians whose score CMS assigned without scoring any category are excluded.
94 ≥ 69th percentile 69% of 454,083 measured providers are in lower value bands
Each bar is a band; taller bars hold more measured providers. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.
The percentile is a conservative whole-score-point band: it counts only measured clinicians in lower score bands. A CMS MIPS metric is not a recommendation or a clinical-quality rating by PlainDoctor. See methodology § corpus placement.
Source CMS Merit-based Incentive Payment System (MIPS) · 2023
Where William Cleaver, MD sits
This provider among hospitalist physician peers
Across the 4,317 hospitalist physician providers who report both Medicare Part D prescribing and a MIPS quality score, William Cleaver, MD writes more Part D claims than 51% of them and scores higher on MIPS quality than 67% - placing this provider in the high-volume, high-quality quadrant. Volume reflects patient-panel size and specialty, not quality; the two axes are independent.
Each dot is one hospitalist physician peer from a representative sample of 60; the gold marker is William Cleaver, MD. Source: CMS Medicare Part D Prescriber data and the CMS Merit-based Incentive Payment System, 2023.
✓
Board certification likely (heuristic, not verified)
William Cleaver, MD practices in an ABMS-board-eligible specialty and shows active CMS Medicare participation + MIPS quality reporting - signals consistent with board-certified status. For verified board certification, see CertificationMatters.org (the official ABMS public lookup).
What does the federal data show about William Cleaver, MD?
High performer (top quartile)Primary specialty
Hospitalist Physician
Medicare Part D claims
245 74% vs specialty avg
MIPS final score
93.9/100 10.4 pts vs avg
Specialty distribution in New York
How Hospitalist Physician compares to other specialties among New York providers
Medicare quality performance, MIPS
William Cleaver, MD's 2023 MIPS final score plotted against the Hospitalist Physician national average
- MIPS Final Score
- 93.9/100
- vs 83.5 national avg · 2023 performance year
How MIPS and board certification work
The Merit-based Incentive Payment System (MIPS) scores providers 0–100 across four performance categories: Quality, Cost, Promoting Interoperability, and Improvement Activities, weighted under 42 CFR §414.1380. Reporting is voluntary for many small practices, so absence of a MIPS score is not a quality signal.
Board certification through an ABMS or AOA member board signals voluntary post-licensure examination plus continuous Maintenance of Certification cycles. Verify any individual provider's status through certificationmatters.org (ABMS) or osteopathic.org (AOA).
Practice Address
Provider Details
| NPI | 1164675765 |
|---|---|
| Specialty | Hospitalist Physician |
| Credentials | MD |
| Gender | Male |
| NPI Issued | 10/28/2008 |
CMS Quality Score (MIPS)
Merit-based Incentive Payment System (MIPS) scores from CMS, 2023 performance year.
93.922
Final Score
Measured-score avg: 83.5
80.2823
Quality
100
Promoting Interoperability
Reporting: Alternative Payment Model
License & disciplinary context - New York NYSBPMC 2023 annual report
Aggregate state board data only, NOT a determination of any individual provider's status. The figures below describe statewide disciplinary activity across all ~100K New York medical licensees in 2023 - they are NOT specific to William Cleaver, MD. To verify William Cleaver, MD's current license status, search the NYSBPMC public license lookup directly, or check the Federation of State Medical Boards (FSMB) verification service.
312
Total board actions, New York 2023
Across 302 cases
3.12
Actions per 1,000 licensees
New York statewide rate
probation
Most common action type
89 cases
NYSBPMC publishes annual disciplinary statistics as part of public-record reporting under each state's Administrative Procedure Act. See the full breakdown by action type and year on the New York disciplinary trends page. Cross-checked against FSMB U.S. Medical Regulatory Trends.
Brand vs generic prescribing mix · Typical
William Cleaver, MD - brand share 10.0%
Hospitalist Physician average
10% brand-name claims vs 90% generic, on 245 2024 Medicare Part D claims.
The federal Medicare Part D Generic Dispensing Rate national benchmark sits near 90% generic / 10% brand for primary-care prescribers, per CMS Office of the Actuary 2024 estimates. Higher brand share is common in specialty prescribing where generic equivalents are not available.
Medicare Part D Prescribing Data
CMS Medicare Part D prescriber-level data for calendar year 2024.
245
Total Claims
$13K
Total Drug Cost
44
Medicare Beneficiaries
Prescribing Breakdown
- 30-Day Fills
- 261.6
- Total Day Supply
- 7,078
- Brand vs Generic
- 10% brand / 90% generic
- Brand Drug Cost
- $10K
- Generic Drug Cost
- $3K
Patient Demographics
- Average Patient Age
- 77.4 years
- Avg HCC Risk Score
- 2.59
- Gender Split
- 61% female / 39% male
Top Prescribed Drugs (Medicare Part D)
Top drugs by claim count for calendar year 2024. Based on Medicare Part D data only.
What William Cleaver, MD prescribes most
Top Medicare Part D drugs by claim count, 2024
- Amlodipine Besylate
Amlodipine Besylate
30 claims
- Metoprolol Succinate
Metoprolol Succinate
20 claims
- Clopidogrel
Clopidogrel
17 claims
- Furosemide
Furosemide
15 claims
- Lisinopril
Lisinopril
15 claims
- Losartan Potassium
Losartan Potassium
14 claims
- Atorvastatin Calcium
Atorvastatin Calcium
12 claims
| Drug | Claims |
|---|---|
| Amlodipine Besylate | 30 |
| Metoprolol Succinate | 20 |
| Clopidogrel Clopidogrel Bisulfate | 17 |
| Furosemide | 15 |
| Lisinopril | 15 |
| Losartan Potassium | 14 |
| Atorvastatin Calcium | 12 |
* Counts below 11 are suppressed by CMS for patient privacy. Generic names shown where available from CMS Part D data.
Hospitalist Physician Overview
How William Cleaver, MD fits within the Hospitalist Physician landscape nationally.
17,950
Hospitalist Physician Providers in US
54
States with Hospitalist Physician
940
Avg Claims per Provider
William Cleaver, MD's 245 claims are below the specialty average of 940.
Nationwide Hospitalist Physician peers with similar MIPS or enrollment year
Two federal-record peer sets for Cleaver, both outside New York so the neighborhoods are not geographic containment.
Similar MIPS final score
Nearest same-specialty clinicians by CMS MIPS final score (93.9 here).
Same NPPES enumeration year (2008)
Same-specialty clinicians who entered the NPI registry in the same calendar year, outside this state.
Nearby Hospitalist Physician Providers in New York
Other clinicians with the same primary specialty enrolled in New York, drawn from the same CMS NPPES roster as Cleaver.
One of 1,316 Hospitalist Physician providers enrolled in New York, 11 are shown on this page.
Dr. Kristy Abraham
MD
New York, NY
Dr. Madeline Abrams
MD
New York, NY
Dr. Omr Abuzahrieh
MD
Rochester, NY
Dr. Basel Abuzuaiter
MD
Syracuse, NY
Dr. Nonyerem Acholonu-Fomin
MD
New York, NY
Compare Hospitalist Physician nationally: see state-by-state distribution →
Frequently Asked Questions
What is William Cleaver, MD's specialty? ▼
William Cleaver, MD specializes in Hospitalist Physician and practices in Glens Falls, New York. Credentials: MD.
How much does William Cleaver, MD prescribe under Medicare Part D? ▼
In 2024, William Cleaver, MD wrote 245 Medicare Part D claims totaling $13K in drug costs for 44 beneficiaries.
What is William Cleaver, MD's Medicare quality score? ▼
William Cleaver, MD has a CMS MIPS Final Score of 93.9/100 (Quality: 80.3). The average MIPS Final Score across the 454,083 clinicians with at least one published category score is 83.5; clinicians whose score CMS assigned without scoring any category are excluded from that average. Source: CMS Merit-based Incentive Payment System (MIPS) 2023.
Where is William Cleaver, MD located? ▼
William Cleaver, MD is located at 100 PARK ST, Glens Falls, NY, 12801. Phone: (518) 761-0300.
What is William Cleaver, MD's NPI number? ▼
William Cleaver, MD's National Provider Identifier (NPI) is 1164675765, issued on 10/28/2008.
Does William Cleaver, MD prescribe more brand-name or generic drugs? ▼
William Cleaver, MD's prescribing is 10% brand-name and 90% generic drugs by claim count, with $10K in brand drug costs.
How many Hospitalist Physician providers are there in the US? ▼
There are 17,950 Hospitalist Physician providers across 54 states in the US. The average Hospitalist Physician provider writes 940 Medicare Part D claims per year.
What drugs does William Cleaver, MD prescribe most often? ▼
Based on 2024 Medicare Part D data, William Cleaver, MD's most frequently prescribed drugs include Amlodipine Besylate, Metoprolol Succinate, Clopidogrel. This reflects Medicare Part D prescriptions only and does not include commercial insurance or other payer types.
Does William Cleaver, MD accept Medicare? ▼
William Cleaver, MD appears in CMS Medicare data with 245 Part D claims and 44 Medicare beneficiaries in 2024. Contact the provider's office directly to confirm current Medicare enrollment and accepted plans.
How can I verify William Cleaver, MD's credentials? ▼
William Cleaver, MD's NPI is 1164675765 with credentials MD. You can verify this through the NPPES NPI Registry, check state medical board records, and confirm board certification through the ABMS or AOA.
Data Sources
View source datasets and methodology notes
- Provider Directory
- CMS National Plan and Provider Enumeration System (NPPES), download.cms.gov/nppes, updated monthly. Contains NPI, specialty, credentials, and practice location.
- Specialty Classification
- NUCC Health Care Provider Taxonomy (nucc.org), the industry standard for classifying provider specialties in Medicare and Medicaid billing.
- Prescribing Data
- CMS Medicare Part D Prescriber Public Use File (2024). Includes claims, drug costs, beneficiaries, and opioid prescribing rates.
- Quality Performance
- CMS Merit-based Incentive Payment System (MIPS) - 2023 performance year.
- Limitations
- Provider data is self-reported to CMS. Prescribing data reflects Medicare Part D only and does not include commercial insurance, Medicaid, or cash prescriptions. Claims below 11 beneficiaries are suppressed by CMS for privacy.
See our complete data methodology for details on how we collect and process government data.
Data as of August 2026 (NPPES) / 2024 (Medicare Part D). Source: Centers for Medicare & Medicaid Services (CMS).
Disclaimer: Data from CMS NPPES and Medicare Part D. PlainDoctor does not rate or rank providers. Provider information is self-reported and may not be current. Always verify information directly with the provider. About · Methodology
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of August 2026.