Gary M. Katzman, MD
Cardiovascular Disease Physician · Providence, RI
Gary M. Katzman, MD is a cardiovascular disease physician with a practice address in Providence, Rhode Island, and NPI 1003839218, issued on Jul 26, 2006. Check the license (Rhode Island MD10572, as entered in NPPES) on the Rhode Island Board of Medical Licensure and Discipline; the Medicare figures below come from public CMS files.
- Name
- Gary M. Katzman
- Credential
- MD
- Primary taxonomy
- Cardiovascular Disease Physician 207RC0000X
- License number
- MD10572 RI
Self-reported in NPPES; status is on the state search - Practice location
- 208 Collyer Street, Providence, RI 02904
- Phone
- (401) 793-7191
- Enumerated
- Jul 26, 2006
- Record last updated
- Nov 12, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (401) 793-7200
- Medicaid ID
- 7009014 RI
- Medicare enrollment
- Enrolled (PECOS I20190801000658); accepts Medicare assignment
- Medical or professional school
- Wayne State University School Of Medicine, 1995
- Entity
- Type 1 · individual
8 nearest cardiovascular disease physician records → All 120 in Rhode Island → Look up another NPI →
Also registered at 208 Collyer Street
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Susan Emaus, PA CMedical Physician Assistant1770503013
- Harry Schwartz, MDCardiovascular Disease Physician1548295942
Verify Gary M. Katzman in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersRhode Island Board of Medical Licensure and Discipline
Search for license MD10572Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
73% fewer Medicare Part D claims than the average cardiovascular disease physician in 2024
824 Medicare Part D claims for 205 beneficiaries, against an average of 3,078 among the 20,728 providers of this specialty who prescribed in Part D. Brand-name drugs were 33% of claims.
Most prescribed
- Eliquis153 claims
- Metoprolol Succinate111 claims
- Losartan Potassium69 claims
- Isosorbide Mononitrate Er46 claims
- Furosemide44 claims
- Atorvastatin Calcium42 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $35.66
2 payments; by number, the most common kind was food and beverage; the largest payer was E.R. Squibb & Sons, L.L.C. The 16,686 providers of this specialty with any payment received $3,819.56 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Mercy Health Westshore Cardiology ServicesMuskegon, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Gary M. Katzman among 120 cardiovascular disease physician records in Rhode Island
Gary M. Katzman, MD is one of 120 cardiovascular disease physician records with a practice address in Rhode Island. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 19% of them.
- NPI issued2006 · 19% of these records are older, 38% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated1995 · median 1995 among the 79 with a school on file
- Record last updated2010 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RC0000X and a Rhode Island practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Cardiovascular Disease Physician providers in Rhode Island
There are 120 cardiovascular disease physician records in Rhode Island.
All 120 in Rhode Island → Every provider in Providence → Cardiovascular Disease Physician nationwide →
The 8 cardiovascular disease physician records with the nearest ZIP codes
- John Cava, MDProvidence, RI 029041245290675
- Jonathan Elion, MDProvidence, RI 029041346260676
- Joseph Farina, M.D.North Providence, RI 029041083636674
- Ned Gutman, M.D.Providence, RI 029041164538070
- Jack Klie, MDProvidence, RI 029041992876080
- Kenneth Korr, MDProvidence, RI 029041376562314
- Franklin Schneider, MDProvidence, RI 029041497759294
- Harry Schwartz, MDProvidence, RI 029041548295942
Common questions
What is Gary M. Katzman, MD's NPI number?
Gary M. Katzman, MD's National Provider Identifier (NPI) is 1003839218, issued on Jul 26, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Gary M. Katzman, MD located?
The NPPES record lists a practice address at 208 Collyer Street, Providence, RI, 02904. Phone: (401) 793-7191. Providers update this record themselves, so call before visiting.
How can I verify Gary M. Katzman, MD's license?
NPPES lists Rhode Island license number MD10572, as entered by the provider. Search the Rhode Island Board of Medical Licensure and Discipline at https://healthri.mylicense.com/Verification/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Gary M. Katzman, MD prescribe under Medicare Part D?
In 2024, Gary M. Katzman, MD had 824 Medicare Part D claims for 205 beneficiaries; the average among cardiovascular disease physician prescribers was 3,078. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.