Rafael A. Martir-Guevara, M.D
Gastroenterology Physician · Ponce, PR
Rafael A. Martir-Guevara, M.D is a gastroenterology physician with a practice address in Ponce, Puerto Rico, and NPI 1508996562, issued on Mar 7, 2007. Check the license (Puerto Rico 6905, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Rafael A. Martir-Guevara
- Credential
- M.D
- Primary taxonomy
- Gastroenterology Physician 207RG0100X
- License number
- 6905 PR
Self-reported in NPPES; status is on the state search - Practice location
- Santa Maria Medical, Ponce, PR 00717
- Phone
- (787) 844-1244
- Enumerated
- Mar 7, 2007
- Record last updated
- Jul 9, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (787) 841-6849
- Medicare enrollment
- Enrolled (PECOS I20120409000607); accepts Medicare assignment
- Medical or professional school
- University Of Puerto Rico School Of Medicine, 1980
- Entity
- Type 1 · individual
8 nearest gastroenterology physician records → All 203 in Puerto Rico → Look up another NPI →
Also registered at Santa Maria Medical
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Luis Martinez-Sierra, M.D.Gastroenterology Physician1376673335
- Jose Torres-Vega, M.D.Internal Medicine Physician1205966322
Verify Rafael A. Martir-Guevara in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
Search for license 6905Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% more Medicare Part D claims than the average gastroenterology physician in 2024
1,531 Medicare Part D claims for 576 beneficiaries, against an average of 811 among the 16,445 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims.
Most prescribed
- Famotidine292 claims
- Midazolam Hcl200 claims
- Meperidine Hcl151 claims
- Pantoprazole Sodium108 claims
- Fentanyl Citrate82 claims
- Suprep66 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.
Bills Medicare through 2 group practices
- Instituto DE Endoscopia Digestiva Del SurPonce, PR
- Ponce Gastroenterology SocietyPonce, PR
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Rafael A. Martir-Guevara among 203 gastroenterology physician records in Puerto Rico
Rafael A. Martir-Guevara, M.D is one of 203 gastroenterology physician records with a practice address in Puerto Rico. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 49% of them.
- NPI issued2007 · 49% of these records are older, 31% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 82% of these records are
- Graduated1980 · median 2000 among the 165 with a school on file
- Record last updated2007 · 69% 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 Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Gastroenterology Physician providers in Puerto Rico
There are 203 gastroenterology physician records in Puerto Rico.
All 203 in Puerto Rico → Every provider in Ponce → Gastroenterology Physician nationwide →
The 8 gastroenterology physician records with the nearest ZIP codes
- Luis Martinez-Sierra, M.D.Ponce, PR 007171376673335
- Arnaldo Nieves Ramirez, M.D.Ponce, PR 007171902866437
- Barbara Rosado Carrion, MDPonce, PR 007171467448191
- Wilfredo Vazquez, M.D.Ponce, PR 007171881656304
- Francis Zayas, MDPonce, PR 007171255314993
- Pedro Panelli, MD, MS, FACPPonce, PR 007161144226051
- Victor Torres-Ortiz, MDPonce, PR 007161679754501
- Carla Cepero-JimenezOrocovis, PR 007201821545708
Common questions
What is Rafael A. Martir-Guevara, M.D's NPI number?
Rafael A. Martir-Guevara, M.D's National Provider Identifier (NPI) is 1508996562, issued on Mar 7, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Rafael A. Martir-Guevara, M.D located?
The NPPES record lists a practice address at Santa Maria Medical, Ponce, PR, 00717. Phone: (787) 844-1244. Providers update this record themselves, so call before visiting.
How can I verify Rafael A. Martir-Guevara, M.D's license?
NPPES lists Puerto Rico license number 6905, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Rafael A. Martir-Guevara, M.D prescribe under Medicare Part D?
In 2024, Rafael A. Martir-Guevara, M.D had 1,531 Medicare Part D claims for 576 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.