Sofia Margarita Lopez Diaz, MD
Obstetrics & Gynecology Physician · San Juan, PR
Sofia Margarita Lopez Diaz, MD is an obstetrics & gynecology physician with a practice address in San Juan, Puerto Rico, and NPI 1275063505, issued on Jun 19, 2017. Check the license (Puerto Rico 23081, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sofia Margarita Lopez Diaz
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 23081 PR
Self-reported in NPPES; status is on the state search - Practice location
- Puerto Rico Medical Center, San Juan, PR 00917
- Phone
- (787) 480-2791
- Enumerated
- Jun 19, 2017
- Record last updated
- Aug 2, 2023
- Medicare enrollment
- Enrolled (PECOS I20241011001700); accepts Medicare assignment
- Medical or professional school
- San Juan Bautista School Of Medicine, 2017
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 360 in Puerto Rico → Look up another NPI →
Also registered at Puerto Rico Medical Center
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Daphne Diaz Vazquez, M.D.Obstetrics & Gynecology Physician1760863526
- Marlene Farinacci Vilaro, MDPulmonary Disease Physician1407237886
- Juan Garcia Puebla, M.D.Pulmonary Disease Physician1689021727
- Emily Irizarry-Pagan, M.D.General Practice Physician1235531526
- Nargies Licha SolerPediatrics Physician1699126227
- Stephanie Maldonado Torres, MDObstetrics & Gynecology Physician1851811947
Verify Sofia Margarita Lopez Diaz 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 23081Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
74% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
43 Medicare Part D claims for 26 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $168.74
4 payments; by number, the most common kind was food and beverage; the largest payer was Hologic Sales and Service, LLC. The 21,429 providers of this specialty with any payment received $1,030.61 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.
Sofia Margarita Lopez Diaz among 360 obstetrics & gynecology physician records in Puerto Rico
Sofia Margarita Lopez Diaz, MD is one of 360 obstetrics & gynecology physician records with a practice address in Puerto Rico. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2017, is newer than 88% of them.
- NPI issued2017 · 88% of these records are older, 10% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2017 · median 1994 among the 181 with a school on file
- Record last updated2023 · 70% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Puerto Rico practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
101 obstetrics & gynecology physician records list a practice address in San Juan
They are 101 of the 8,960 NPPES records with a practice address in San Juan, and 360 obstetrics & gynecology physician records in Puerto Rico.
All 360 in Puerto Rico → Every provider in San Juan → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Carla Cirino, M.D.San Juan, PR 009171922457811
- Luis Cruz, MDSan Juan, PR 009171548321433
- Sonia Diaz Perez, M.DSan Juan, PR 009171568463180
- Daphne Diaz Vazquez, M.D.San Juan, PR 009171760863526
- Daniel Diaz-Garcia, M.D.San Juan, PR 009171639146806
- Jose Flores Caban, M.D.San Juan, PR 009171386650562
- Stephanie Maldonado Torres, MDSan Juan, PR 009171851811947
- Jose Martin, M.D.San Juan, PR 009171962536201
Common questions
What is Sofia Margarita Lopez Diaz, MD's NPI number?
Sofia Margarita Lopez Diaz, MD's National Provider Identifier (NPI) is 1275063505, issued on Jun 19, 2017. An NPI identifies a provider in billing; it is not a license.
Where is Sofia Margarita Lopez Diaz, MD located?
The NPPES record lists a practice address at Puerto Rico Medical Center, San Juan, PR, 00917. Phone: (787) 480-2791. Providers update this record themselves, so call before visiting.
How can I verify Sofia Margarita Lopez Diaz, MD's license?
NPPES lists Puerto Rico license number 23081, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.
How much does Sofia Margarita Lopez Diaz, MD prescribe under Medicare Part D?
In 2024, Sofia Margarita Lopez Diaz, MD had 43 Medicare Part D claims for 26 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.