NPPES file of Aug 9, 2026

Sonia Esther Diaz Perez, M.D

Obstetrics & Gynecology Physician · San Juan, PR

Sonia Esther Diaz Perez, M.D is an obstetrics & gynecology physician with a practice address in San Juan, Puerto Rico, and NPI 1568463180, issued on Aug 4, 2005. Check the license (Puerto Rico 11810, as entered in NPPES) with the Puerto Rico board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1568463180
Name
Sonia Esther Diaz Perez
Credential
M.D
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
11810 PR
Self-reported in NPPES; status is on the state search
Practice location
735 Ave Ponce DE Leon, San Juan, PR 00917
Phone
(787) 763-5500
Enumerated
Aug 4, 2005
Record last updated
Oct 19, 2017 (not updated in 9 years: call before relying on the address or phone)
Fax
(787) 763-5621
Medicare enrollment
Enrolled (PECOS I20040115000643); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest obstetrics & gynecology physician records → All 360 in Puerto Rico → Look up another NPI →

Also registered at 735 Ave Ponce DE Leon

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Miguel Abreu, M.D., FACCClinical Cardiac Electrophysiology Physician1649294687
  2. Luis Acaba, M.D.Hematology & Oncology Physician1225031396
  3. Vanessa ArroyoPharmacist1497686182
  4. Liz Betancourt, PH.DCounseling Psychologist1639568132
  5. Yudit Brito PequeraGeneral Practice Physician1013119304
  6. Ramon Cao, M.D.Anesthesiology Physician1215974027

Verify Sonia Esther Diaz Perez in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Puerto Rico board licenses this profession
    Search for license 11810    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Puerto Rico license search

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47% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

243 Medicare Part D claims for 121 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.

  1. Sonia Diaz Perez243
  2. Specialty average165

Most prescribed

  1. Alendronate Sodium47 claims
  2. Fluconazole37 claims
  3. Estradiol21 claims
  4. Medroxyprogesterone Acetate21 claims
  5. Metronidazole17 claims
  6. Desonide15 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: $25.00

1 payment: 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.

  1. Sonia Diaz Perez$25.00
  2. Specialty average$1,030.61

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Sonia Esther Diaz Perez among 360 obstetrics & gynecology physician records in Puerto Rico

Sonia Esther Diaz Perez, M.D 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 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 86% newer
  • In a Medicare fileYes · 86% of these records are
  • In the CMS Doctors and Clinicians fileYes · 50% of these records are
  • Graduated1991 · median 1994 among the 181 with a school on file
  • Record last updated2017 · 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

  1. Carla Cirino, M.D.San Juan, PR 009171922457811
  2. Luis Cruz, MDSan Juan, PR 009171548321433
  3. Daphne Diaz Vazquez, M.D.San Juan, PR 009171760863526
  4. Daniel Diaz-Garcia, M.D.San Juan, PR 009171639146806
  5. Jose Flores Caban, M.D.San Juan, PR 009171386650562
  6. Sofia Lopez Diaz, MDSan Juan, PR 009171275063505
  7. Stephanie Maldonado Torres, MDSan Juan, PR 009171851811947
  8. Jose Martin, M.D.San Juan, PR 009171962536201

Common questions

What is Sonia Esther Diaz Perez, M.D's NPI number?

Sonia Esther Diaz Perez, M.D's National Provider Identifier (NPI) is 1568463180, issued on Aug 4, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Sonia Esther Diaz Perez, M.D located?

The NPPES record lists a practice address at 735 Ave Ponce DE Leon, San Juan, PR, 00917. Phone: (787) 763-5500. Providers update this record themselves, so call before visiting.

How can I verify Sonia Esther Diaz Perez, M.D's license?

NPPES lists Puerto Rico license number 11810, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Sonia Esther Diaz Perez, M.D prescribe under Medicare Part D?

In 2024, Sonia Esther Diaz Perez, M.D had 243 Medicare Part D claims for 121 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.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

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.