NPPES file of Aug 9, 2026

Rina Y. Castillo-Rico, MD

Obstetrics & Gynecology Physician · Sacramento, CA

Rina Y. Castillo-Rico, MD is an obstetrics & gynecology physician with a practice address in Sacramento, California, and NPI 1659459378, issued on Nov 1, 2006. Check the license (California A76254, as entered in NPPES) on the Medical Board of California; 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
1659459378
Name
Rina Y. Castillo-Rico
Credential
MD
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A76254 CA
Self-reported in NPPES; status is on the state search
Practice location
2025 Morse Ave, Sacramento, CA 95825
Phone
(916) 973-5000
Enumerated
Nov 1, 2006
Record last updated
Dec 9, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid ID
00A762540 CA
Medicare enrollment
Enrolled (PECOS I20040430001381); accepts Medicare assignment
Medical or professional school
Temple University School Of Medicine, 2000
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 5,088 in California → Look up another NPI →

Also registered at 2025 Morse Ave

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

  1. Mouner Abouelkhier, RPHPharmacist1164571832
  2. Elijah Abramson, MDEmergency Medicine Physician1992334965
  3. Cynthia Adams, RNMedical-Surgical Registered Nurse1346372190
  4. Jesse Adams, MDHematology & Oncology Physician1851479554
  5. Qudeer Ahmad, BS RRTCritical Care Registered Respiratory Therapist1649742594
  6. Paul Akins, MDNeurology Physician1952489528

Verify Rina Y. Castillo-Rico in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A76254    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
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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24% more Medicare Part D claims than the average obstetrics & gynecology physician in 2024

205 Medicare Part D claims for 95 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.

  1. Rina Castillo-Rico205
  2. Specialty average165

Most prescribed

  1. Estradiol58 claims
  2. Hydrocortisone17 claims
  3. Estring14 claims
  4. Acyclovir13 claims
  5. Clobetasol Propionate13 claims
  6. Climara11 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 one group practice

  1. Permanente Medical Group IncStockton, CA

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

Rina Y. Castillo-Rico among 5,088 obstetrics & gynecology physician records in California

Rina Y. Castillo-Rico, MD is one of 5,088 obstetrics & gynecology physician records with a practice address in California. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 52% newer
  • In a Medicare fileYes · 74% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2000 · median 2004 among the 2,700 with a school on file
  • Record last updated2021 · 64% 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 California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Obstetrics & Gynecology Physician providers in California

There are 5,088 obstetrics & gynecology physician records in California.

All 5,088 in California → Every provider in Sacramento → Obstetrics & Gynecology Physician nationwide →

The 8 obstetrics & gynecology physician records with the nearest ZIP codes

  1. Bruce Bob, M.D.Sacramento, CA 958251841267234
  2. Jean Cordalis, MDSacramento, CA 958251770661407
  3. Erwin Eichhorn, M.D.Sacramento, CA 958251245206630
  4. Mary Finegan, M.D.Sacramento, CA 958251801862297
  5. Susan Gorman, M.D., P.C.Sacramento, CA 958251841240504
  6. Laurie Gregg, M.D.Sacramento, CA 958251689640179
  7. Stephen Hiuga, M.D.Sacramento, CA 958251467428789
  8. Namin Kuachusri, MDSacramento, CA 958251154409845

Common questions

What is Rina Y. Castillo-Rico, MD's NPI number?

Rina Y. Castillo-Rico, MD's National Provider Identifier (NPI) is 1659459378, issued on Nov 1, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Rina Y. Castillo-Rico, MD located?

The NPPES record lists a practice address at 2025 Morse Ave, Sacramento, CA, 95825. Phone: (916) 973-5000. Providers update this record themselves, so call before visiting.

How can I verify Rina Y. Castillo-Rico, MD's license?

NPPES lists California license number A76254, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Rina Y. Castillo-Rico, MD prescribe under Medicare Part D?

In 2024, Rina Y. Castillo-Rico, MD had 205 Medicare Part D claims for 95 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.