NPPES file of Aug 9, 2026

Jennifer Oster, DO, MPH

Internal Medicine Physician · Los Angeles, CA

Jennifer Oster, DO, MPH is an internal medicine physician with a practice address in Los Angeles, California, and NPI 1548816937, issued on Aug 13, 2019. Check the license (California 19849, as entered in NPPES) on the Medical Board of California; the federal record below is the public data PlainDoctor holds for this provider.

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

NPPES recordNPPES file of Aug 9, 2026
1548816937
Name
Jennifer Oster
Credential
DO, MPH
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
19849 CA
Self-reported in NPPES; status is on the state search
Practice location
11500 W Olympic Blvd Ste 400, Los Angeles, CA 90064
Phone
(424) 410-1736
Enumerated
Aug 13, 2019
Record last updated
Feb 28, 2026
Medicare enrollment
Enrolled (PECOS I20260529002407); may accept Medicare assignment
Medical or professional school
At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa, 2019
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 11500 W Olympic Blvd Ste 400

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

  1. Kate Ettinger, MFT TRAINEEMarriage & Family Therapist1205505476
  2. Elizabeth Farr, PHDClinical Psychologist1285715763
  3. Briana FloresBehavior Technician1740177930
  4. Jennifer Glaser, LMFTMarriage & Family Therapist1326251810
  5. Jordan Goode, LCSWClinical Social Worker1003348962
  6. Shaina Keshmir, AMFTMarriage & Family Therapist1093446833

Verify Jennifer Oster in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 19849
    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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Jennifer Oster among 17,696 internal medicine physician records in California

Jennifer Oster, DO, MPH is one of 17,696 internal medicine physician records with a practice address in California. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2019, is newer than 86% of them.

  • NPI issued2019 · 86% of these records are older, 11% newer
  • In a Medicare fileNo · 79% of these records are
  • In the CMS Doctors and Clinicians fileYes · 63% of these records are
  • Graduated2019 · median 2004 among the 11,065 with a school on file
  • Record last updated2026 · 61% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

1,423 internal medicine physician records list a practice address in Los Angeles

They are 1,423 of the 69,537 NPPES records with a practice address in Los Angeles, and 17,696 internal medicine physician records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Etsemaye Agonafer, M.D., M.P.H, M.S.Los Angeles, CA 900641689092215
  2. Matthew DudaLos Angeles, CA 900641992116735
  3. Bradley Friedman, M.D.Los Angeles, CA 900641831383082
  4. Bruce Gillis, M.D.Los Angeles, CA 900641013945542
  5. Keivan Golchini, MDLos Angeles, CA 900641528074812
  6. Matthew Jung, MDLos Angeles, CA 900641588970115
  7. Robert Kakehashi, M.D.Los Angeles, CA 900641255486072
  8. Jacquelyn Nguyen, M.D.Los Angeles, CA 900641982855417

Common questions

What is Jennifer Oster, DO, MPH's NPI number?

Jennifer Oster, DO, MPH's National Provider Identifier (NPI) is 1548816937, issued on Aug 13, 2019. An NPI identifies a provider in billing; it is not a license.

Where is Jennifer Oster, DO, MPH located?

The NPPES record lists a practice address at 11500 W Olympic Blvd Ste 400, Los Angeles, CA, 90064. Phone: (424) 410-1736. Providers update this record themselves, so call before visiting.

How can I verify Jennifer Oster, DO, MPH's license?

NPPES lists California license number 19849, 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. 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.