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DR. JENNIFER OSTER DO, MPH
NPI 1548816937
Internal Medicine in Los Angeles, CA

Active since August 13, 2019PECOS EnrolledAccepts Medicare Assignment
11500 W OLYMPIC BLVD STE 400, LOS ANGELES, CA 90064(424) 410-1736 Get Directions Write a Review

NPPES record last updated: February 28, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Jun 8, 2023, Aug 13, 2019 (2 updates tracked since 2019).

About Dr. Jennifer Oster Do, Mph NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. JENNIFER OSTER DO, MPH (NPI 1548816937) is an individual internal medicine provider in Los Angeles, California, licensed in California (19849) and active in the NPI registry since August 2019. She is enrolled in Medicare PECOS and is a graduate of At Still Un Of Hlth Sciences, Col Of Osteo Med, Mesa (2019).

NPPES Registry Identity

NPI1548816937
Entity TypeIndividualFemale
Primary Taxonomy207R00000X
Provider Legal NameDR. JENNIFER OSTERCredential: DO, MPH
Location Address11500 W OLYMPIC BLVD STE 400Los Angeles, CA 90064-1525
Mailing Address11500 W Olympic Blvd Ste 400Los Angeles, CA 90064-1525 · (424) 410-1736
Phone(424) 410-1736
Sole ProprietorYes
Medical School CMSAt Still Un Of Hlth Sciences, Col Of Osteo Med, MesaGraduated 2019
Enumeration DateAugust 13, 2019
Last NPPES UpdateFebruary 28, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 28, 2026
✔ NPI 1548816937 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in CA · 19849
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedNeuromusculoskeletal Medicine, Sports MedicineTaxonomy 204C00000X · License 19849 (CA)
11500 W OLYMPIC BLVD STE 400, Los Angeles, CA 90064
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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Jennifer Oster Do, Mph is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID2567932650
PECOS Enrollment IDI20260529002407
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

2

Medicare enrollment records show Jennifer Oster reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Professional Wound Specialists PC
37 mi
Surgery
3191 W TEMPLE AVE STE 110
Pomona, CA 91768
  • Reassigned Medicare billing, California enrollment
  • 31 clinicians in this Medicare group
NPI 1437988326 (888) 434-8880
Ming-Wei Wu, Inc
232 mi
Surgery
3750 S JONES BLVD STE 120
Las Vegas, NV 89103
  • Reassigned Medicare billing, California enrollment
  • 33 clinicians in this Medicare group
NPI 1699975144 (702) 434-8880

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90064 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$142.39 typical visit price
range $62.96 – $187.60
Typical copayment $35.59 (range $15.74 – $46.90)
Most-billed visit code 99204
Established Patient
$109.96 typical visit price
range $20.84 – $153.61
Typical copayment $27.49 (range $5.21 – $38.40)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

JORDAN GOODE LCSW
Social Worker (Clinical)
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (323) 990-2128
LARSEN & WILLIAMS BEHAVIORAL CONSULTANTS INC
Behavior Analyst
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (323) 331-8988
EMENTALHEALTHCENTER INC
Psychologist (Clinical)
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (310) 621-4755
BARBARA MOROZ SCHWARZ MS AMFT
Marriage & Family Therapist
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (424) 234-3336
SHAINA KESHMIR AMFT
Marriage & Family Therapist
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (747) 205-0896
KATE C ETTINGER MFT TRAINEE
Marriage & Family Therapist
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (303) 335-0996
HANDS ON HEALTH, PC
Clinic/Center
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (424) 410-1736
PATRICK DAVEY TULLY MA, LMFT
Marriage & Family Therapist
11500 W OLYMPIC BLVD STE 400
LOS ANGELES, CA 90064
Los Angeles County (323) 819-0747

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Jennifer Oster's NPI number?

The NPI number for Jennifer Oster is 1548816937. It was assigned to this individual provider in the NPPES registry on August 13, 2019.

Where is Jennifer Oster located?

Jennifer Oster practices at 11500 W Olympic Blvd Ste 400, Los Angeles, CA 90064. The listed phone number is (424) 410-1736.

What is Jennifer Oster's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Jennifer Oster enrolled in Medicare?

Yes. Jennifer Oster is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Jennifer Oster's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Jennifer Oster reassigns Medicare benefits to 2 organizations: Professional Wound Specialists PC (Pomona, CA) and Ming-Wei Wu, Inc (Las Vegas, NV). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Jennifer Oster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Jennifer Oster was last updated on February 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.