Eryn Wanyonyi, MD, MS
Obstetrics & Gynecology Physician · Los Angeles, CA
Eryn Wanyonyi, MD, MS is an obstetrics & gynecology physician with a practice address in Los Angeles, California, and NPI 1962962753, issued on Mar 20, 2019. Check the license (California A204665, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Eryn Wanyonyi
- Credential
- MD, MS
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- A204665 CA
036165429 IL
Self-reported in NPPES; status is on the state search - Practice location
- 444 S San Vicente Blvd Ste 1001, Los Angeles, CA 90048
- Phone
- (310) 423-3492
- Enumerated
- Mar 20, 2019
- Record last updated
- Mar 23, 2026
- Fax
- (310) 423-0140
- Medicare enrollment
- Enrolled (PECOS I20251023002386); accepts Medicare assignment
- Medical or professional school
- University Of Missouri, Kansas City, School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 5,088 in California → Look up another NPI →
Also registered at 444 S San Vicente Blvd Ste 1001
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Caryn Lindsey, LCSWClinical Social Worker1669841151
- Alexandra Petrasek, MS, CGCGenetic Counselor (M.S.)1487537411
- Emily Seet, M.D.Maternal & Fetal Medicine Physician1154645000
Verify Eryn Wanyonyi in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A204665Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
One hospital affiliation
- Cedars-Sinai Medical CenterLos Angeles, CA · Acute Care Hospitals5 of 5 stars
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Eryn Wanyonyi among 5,088 obstetrics & gynecology physician records in California
Eryn Wanyonyi, MD, MS 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 2019, is newer than 92% of them.
- NPI issued2019 · 92% of these records are older, 6% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 53% of these records are
- Graduated2019 · median 2004 among the 2,700 with a school on file
- Record last updated2026 · 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 Los Angeles → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Carolyn Alexander, M.D.Los Angeles, CA 900481073578332
- Paula Bernstein, MDWest Hollywood, CA 900481891788501
- Sushma Bhadauria, M.D.Los Angeles, CA 900481164472460
- Aminah Bliss, M.D.Los Angeles, CA 900481225087463
- Gregory Ewertz, M.D.Los Angeles, CA 900481841248143
- Kimberly Gregory, M.D.Los Angeles, CA 900481033192356
- Paul Hackmeyer, M.D.Los Angeles, CA 900481023042363
- Bryna Harwood, MDWest Hollywood, CA 900481255304044
Common questions
What is Eryn Wanyonyi, MD, MS's NPI number?
Eryn Wanyonyi, MD, MS's National Provider Identifier (NPI) is 1962962753, issued on Mar 20, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Eryn Wanyonyi, MD, MS located?
The NPPES record lists a practice address at 444 S San Vicente Blvd Ste 1001, Los Angeles, CA, 90048. Phone: (310) 423-3492. Providers update this record themselves, so call before visiting.
How can I verify Eryn Wanyonyi, MD, MS's license?
NPPES lists California license number A204665, 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.
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.