NPPES file of Aug 9, 2026

Graciela Del C Rivera Castro, MD

Obstetrics & Gynecology Physician · San Juan, PR

Graciela Del C Rivera Castro, MD is an obstetrics & gynecology physician with a practice address in San Juan, Puerto Rico, and NPI 1033666813, issued on Sep 8, 2016. Check the license (Puerto Rico 22924, 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
1033666813
Name
Graciela Del C Rivera Castro
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
22924 PR
Self-reported in NPPES; status is on the state search
Practice location
29 Washington Street, San Juan, PR 00907
Phone
(787) 722-1104
Enumerated
Sep 8, 2016
Record last updated
Aug 26, 2022
Medicare enrollment
Enrolled (PECOS I20221017001543); accepts Medicare assignment
Medical or professional school
University Of Puerto Rico School Of Medicine, 2018
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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Also registered at 29 Washington Street

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

  1. Juan Castaner, M.D.Maternal & Fetal Medicine Physician1669477642
  2. Yaiza Martinez-Ortiz, MDGastroenterology Physician1134413701
  3. Diana Noya Mangual, M.D.Obstetrics & Gynecology Physician1710185905
  4. Angel Rodriguez Rivera, M.D,Surgical Oncology Physician1134419161

Verify Graciela Del C Rivera Castro 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 22924
    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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92% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024

13 Medicare Part D claims, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.

  1. Graciela Rivera Castro13
  2. Specialty average165

Most prescribed

  1. Norethindrone11 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: $192.17

4 payments; by number, the most common kind was food and beverage; the largest payer was Roche Diagnostics Corporation. 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. Graciela Rivera Castro$192.17
  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.

Bills Medicare through one group practice

  1. Castaner And Pou LLCSan Juan, PR

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (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.

Other obstetrics & gynecology physician records in Puerto Rico

  1. Cristina Abreu Jimenez, M.D.San Juan, PR1366724015
  2. Luis Acosta Garcia, MDPonce, PR1083688154
  3. Abby Agosto-Ventura, MDCaguas, PR1760897664
  4. David Aguirre, MDGuaynabo, PR1659588606
  5. William Alemany-Enriquez, M.D.Bayamon, PR1295829778
  6. Jose R Alemar UlloaCabo Rojo, PR1205903655
  7. Angel Alequin, MDMoca, PR1093827081
  8. Lizzie Alfonzo-Sarnelli, MDCaguas, PR1548253099
  9. Angel Almodovar, MDMayaguez, PR1811003692
  10. Irma Alvarado Torres, MDMorovis, PR1851360283

Common questions

What is Graciela Del C Rivera Castro, MD's NPI number?

Graciela Del C Rivera Castro, MD's National Provider Identifier (NPI) is 1033666813, issued on Sep 8, 2016. An NPI identifies a provider in billing; it is not a license.

Where is Graciela Del C Rivera Castro, MD located?

The NPPES record lists a practice address at 29 Washington Street, San Juan, PR, 00907. Phone: (787) 722-1104. Providers update this record themselves, so call before visiting.

How can I verify Graciela Del C Rivera Castro, MD's license?

NPPES lists Puerto Rico license number 22924, as entered by the provider. Search the Puerto Rico board that licenses this profession; the NPPES record confirms identity only.

How much does Graciela Del C Rivera Castro, MD prescribe under Medicare Part D?

In 2024, Graciela Del C Rivera Castro, MD had 13 Medicare Part D claims; 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.