Mariana Sofia Martinez, MD
Internal Medicine Physician · San Juan, PR
Mariana Sofia Martinez, MD is an internal medicine physician with a practice address in San Juan, Puerto Rico, and NPI 1831680065, issued on May 23, 2018. Check the license (Puerto Rico 21636, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mariana Sofia Martinez
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 21636 PR
Self-reported in NPPES; status is on the state search - Practice location
- 1607 Ave Ponce DE Leon Ste GM4, San Juan, PR 00909
- Phone
- (787) 410-9237
- Enumerated
- May 23, 2018
- Record last updated
- Nov 24, 2025
- Medicare enrollment
- Enrolled (PECOS I20200323000495); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 1,146 in Puerto Rico → Look up another NPI →
Verify Mariana Sofia Martinez 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 21636Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average internal medicine physician in 2024
19 Medicare Part D claims, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
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: $725.16
11 payments; by number, the most common kind was food and beverage; the largest payer was Amgen Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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.
Mariana Sofia Martinez among 1,146 internal medicine physician records in Puerto Rico
Mariana Sofia Martinez, MD is one of 1,146 internal medicine physician records with a practice address in Puerto Rico. 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 2018, is newer than 75% of them.
- NPI issued2018 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 52% of these records are
- Graduated2015 · median 1996 among the 595 with a school on file
- Record last updated2025 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
322 internal medicine physician records list a practice address in San Juan
They are 322 of the 8,960 NPPES records with a practice address in San Juan, and 1,146 internal medicine physician records in Puerto Rico.
All 1,146 in Puerto Rico → Every provider in San Juan → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Yanira Aviles-Burgos, M.D.San Juan, PR 009091538316971
- Aida Blasini, M.D.San Juan, PR 009091255331872
- Roberto Calderon, MDSan Juan, PR 009091851460166
- Gabriel Castro ColonSan Juan, PR 009091407303282
- Gregorio Cortes-Soto, M.D.San Juan, PR 009091003858994
- Nidza Gomez Colon, MDSanturee, PR 009091700877156
- Orlando Lopez Santiago, MDSanturce, PR 009091962567750
- Sylmarie Marrero Martinez, MDSan Juan, PR 009091245475938
Common questions
What is Mariana Sofia Martinez, MD's NPI number?
Mariana Sofia Martinez, MD's National Provider Identifier (NPI) is 1831680065, issued on May 23, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Mariana Sofia Martinez, MD located?
The NPPES record lists a practice address at 1607 Ave Ponce DE Leon Ste GM4, San Juan, PR, 00909. Phone: (787) 410-9237. Providers update this record themselves, so call before visiting.
How can I verify Mariana Sofia Martinez, MD's license?
NPPES lists Puerto Rico license number 21636, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Mariana Sofia Martinez, MD prescribe under Medicare Part D?
In 2024, Mariana Sofia Martinez, MD had 19 Medicare Part D claims; the average among internal medicine physician prescribers was 3,176. 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.