Carl Guillaume, M.D.
Gastroenterology Physician · Bronx, NY
Carl Guillaume, M.D. is a gastroenterology physician with a practice address in Bronx, New York, and NPI 1528098118, issued on Jul 3, 2006. Check the license (New York 210261, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Carl Guillaume
- Credential
- M.D.
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 210261 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4422 3RD Ave, Bronx, NY 10457
- Phone
- (718) 960-6205
- Enumerated
- Jul 3, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Medicaid ID
- 01947988 NY
- Medicare enrollment
- Enrolled (PECOS I20040508000059); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1992
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 1,797 in New York → Look up another NPI →
Also registered at 4422 3RD Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Matthew Abad, D.O.Emergency Medicine Physician1629490693
- Jamaad AbdiDentist1609458421
- Rita Abraham, DOStudent in an Organized Health Care Education/Training Program1326743378
- Hiluf Abule, MDStudent in an Organized Health Care Education/Training Program1083447452
- Yohannes Achamyeleh, MDStudent in an Organized Health Care Education/Training Program1912745548
- Juan Acosta, DOEmergency Medicine Physician1316940968
Verify Carl Guillaume in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 210261Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
18% more Medicare Part D claims than the average gastroenterology physician in 2024
953 Medicare Part D claims for 213 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 24% of claims.
Most prescribed
- Famotidine327 claims
- Omeprazole220 claims
- Linzess216 claims
- Pantoprazole Sodium36 claims
- Proctozone-Hc24 claims
- Procto-Med Hc19 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: $94.24
4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 13,350 providers of this specialty with any payment received $5,015.95 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 2 group practices
- Medical Associates, P.C.Elmhurst, NY
- Morris Heights Health Center, Inc.Bronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Carl Guillaume among 1,797 gastroenterology physician records in New York
Carl Guillaume, M.D. is one of 1,797 gastroenterology physician records with a practice address in New York. 88% 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 15% of them.
- NPI issued2006 · 15% of these records are older, 44% newer
- In a Medicare fileYes · 88% of these records are
- In the CMS Doctors and Clinicians fileYes · 77% of these records are
- Graduated1992 · median 1999 among the 1,378 with a school on file
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0100X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in New York
There are 1,797 gastroenterology physician records in New York.
All 1,797 in New York → Every provider in Bronx → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Bhavna Balar, M.D.Bronx, NY 104571336137322
- Sridhar Chilimuri, MDBronx, NY 104571275610032
- Andrea Culliford, MDBronx, NY 104571558321968
- Myrta Daniel, M.D.Bronx, NY 104571720149651
- Haider GhazanfarBronx, NY 104571003392820
- Ariyo Ihimoyan, MDBronx, NY 104571568637924
- Jasbir Makker, M.D.Bronx, NY 104571427382506
- Nithan Narendra, M.D.Bronx, NY 104571457531873
Common questions
What is Carl Guillaume, M.D.'s NPI number?
Carl Guillaume, M.D.'s National Provider Identifier (NPI) is 1528098118, issued on Jul 3, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Carl Guillaume, M.D. located?
The NPPES record lists a practice address at 4422 3RD Ave, Bronx, NY, 10457. Phone: (718) 960-6205. Providers update this record themselves, so call before visiting.
How can I verify Carl Guillaume, M.D.'s license?
NPPES lists New York license number 210261, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Carl Guillaume, M.D. prescribe under Medicare Part D?
In 2024, Carl Guillaume, M.D. had 953 Medicare Part D claims for 213 beneficiaries; the average among gastroenterology physician prescribers was 811. 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.