NPPES file of Aug 9, 2026

Angela Yat-Sun Nishio, M.D.

Obstetrics & Gynecology Physician · Santa Monica, CA

Angela Yat-Sun Nishio, M.D. is an obstetrics & gynecology physician with a practice address in Santa Monica, California, and NPI 1053320242, issued on Aug 5, 2006. Check the license (California A067519, 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
1053320242
Name
Angela Yat-Sun Nishio
Credential
M.D.
Primary taxonomy
Obstetrics & Gynecology Physician 207V00000X
License number
A067519 CA
Self-reported in NPPES; status is on the state search
Practice location
1301 20TH St Ste 270, Santa Monica, CA 90404
Phone
(310) 828-8585
Enumerated
Aug 5, 2006
Record last updated
Nov 28, 2022
Fax
(310) 453-4844
Medicare enrollment
Enrolled (PECOS I20040628001533); accepts Medicare assignment
Medical or professional school
R Franklin University Of Med & Sci/Chicago Medical School, 1997
Telehealth
Offers telehealth (CMS)
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 1301 20TH St Ste 270

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

  1. Mana Baskovic, D.O.Obstetrics & Gynecology Physician1750742698
  2. Loren Castellon, MDObstetrics & Gynecology Physician1114555612
  3. Henry Hasserjian, M.D.Obstetrics & Gynecology Physician1598866014
  4. Paula Josephson Shulman, MD, MPHObstetrics & Gynecology Physician1053572107
  5. Albert PhillipsObstetrics & Gynecology Physician1568554723
  6. Kailyn Quash, NPFamily Nurse Practitioner1265310940

Verify Angela Yat-Sun Nishio in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A067519    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

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2.8 times the Medicare Part D claims of the average obstetrics & gynecology physician in 2024

466 Medicare Part D claims for 129 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 19% of claims.

  1. Angela Nishio466
  2. Specialty average165

Most prescribed

  1. Estradiol112 claims
  2. Progesterone83 claims
  3. Estradiol (Twice Weekly)78 claims
  4. Medroxyprogesterone Acetate27 claims
  5. Dotti19 claims
  6. Yuvafem19 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: $346.96

15 payments; by number, the most common kind was food and beverage; the largest payer was Pfizer Inc. 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. Angela Nishio$346.96
  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. Providence Saint Johns Medical FoundationSanta Monica, CA

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

Angela Yat-Sun Nishio among 5,088 obstetrics & gynecology physician records in California

Angela Yat-Sun Nishio, M.D. 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
  • Graduated1997 · median 2004 among the 2,700 with a school on file
  • Record last updated2022 · 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 Santa Monica → Obstetrics & Gynecology Physician nationwide →

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

  1. Shamsah Amersi, M.D.Santa Monica, CA 904041699743112
  2. Tristan Bickman, MDSanta Monica, CA 904041245253210
  3. Yvonne Bohn, M.D.Santa Monica, CA 904041417058587
  4. Lawrence Bruksch, M.D.Santa Monica, CA 904041073562203
  5. Richard Frieder, MDSanta Monica, CA 904041457360687
  6. William Growdon, M.D.Santa Monica, CA 904041427154533
  7. Zeina Hijazi, M.DSanta Monica, CA 904041518920974
  8. Karla Iacampo, MDSanta Monica, CA 904041154339083

Common questions

What is Angela Yat-Sun Nishio, M.D.'s NPI number?

Angela Yat-Sun Nishio, M.D.'s National Provider Identifier (NPI) is 1053320242, issued on Aug 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Angela Yat-Sun Nishio, M.D. located?

The NPPES record lists a practice address at 1301 20TH St Ste 270, Santa Monica, CA, 90404. Phone: (310) 828-8585. Providers update this record themselves, so call before visiting.

How can I verify Angela Yat-Sun Nishio, M.D.'s license?

NPPES lists California license number A067519, 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 Angela Yat-Sun Nishio, M.D. prescribe under Medicare Part D?

In 2024, Angela Yat-Sun Nishio, M.D. had 466 Medicare Part D claims for 129 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.