DR. ERYN WANYONYI MD, MS
NPI 1962962753
Obstetrics & Gynecology in Los Angeles, CA

Active since March 20, 2019PECOS EnrolledAccepts Medicare Assignment
444 S SAN VICENTE BLVD STE 1001, LOS ANGELES, CA 90048(310) 423-3492(310) 423-0140 Get Directions Write a Review

NPPES record last updated: March 23, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Mar 23, 2026, Oct 8, 2025, Jul 27, 2023 and 1 more (4 updates tracked since 2019).

About Dr. Eryn Wanyonyi Md, Ms NPPES

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

DR. ERYN WANYONYI MD, MS (NPI 1962962753) is an individual obstetrics & gynecology provider in Los Angeles, California, licensed in California (A204665) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS, maintains a secondary practice location in West Hollywood, and is a graduate of University Of Missouri, Kansas City, School Of Medicine (2019).

NPPES Registry Identity

NPI1962962753
Entity TypeIndividualFemale
Primary Taxonomy207V00000X
Provider Legal NameDR. ERYN WANYONYICredential: MD, MS
Location Address444 S SAN VICENTE BLVD STE 1001Los Angeles, CA 90048-4170
Mailing Address4140 W 190th StTorrance, CA 90504-5513
Fax(310) 423-0140
Sole ProprietorNo
Medical School CMSUniversity Of Missouri, Kansas City, School Of MedicineGraduated 2019
Enumeration DateMarch 20, 2019
Last NPPES UpdateMarch 23, 20264 updates tracked since enumeration
NPPES CertifiedMarch 23, 2026
✔ NPI 1962962753 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyObstetrics & GynecologyAllopathic & Osteopathic Physicians
Taxonomy Code207V00000X
Licenses✔ Licensed in CA · A204665✔ Licensed in IL · 036165429
Definition
An obstetrician/gynecologist possesses special knowledge, skills and professional capability in the medical and surgical care of the female reproductive system and associated disorders. This physician serves as a consultant to other physicians and as a primary physician for women.
Also ListedObstetrics & Gynecology · Complex Family PlanningTaxonomy 207VC0300X · License 036165429 (IL)
444 S SAN VICENTE BLVD STE 1001, Los Angeles, CA 90048

Secondary Practice Location 1

Location 18700 Beverly BlvdWest Hollywood, CA 90048-1804 · Phone (310) 423-3492 · Fax (310) 423-0140

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. Eryn Wanyonyi Md, Ms 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 ID8426412842
PECOS Enrollment IDI20251023002386
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

4

Medicare enrollment records show Eryn Wanyonyi reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Anesthesiology
8700 BEVERLY BLVD STE SB-290
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 2,118 clinicians in this Medicare group
General Acute Care Hospital
8700 BEVERLY BLVD
Los Angeles, CA 90048
  • Reassigned Medicare billing, California enrollment
  • 1,001 clinicians in this Medicare group
General Acute Care Hospital
5841 S MARYLAND AVE
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 1,905 clinicians in this Medicare group
Multi-Specialty
5841 S MARYLAND AVE, UCPG/MC 1099
Chicago, IL 60637
  • Reassigned Medicare billing, Illinois enrollment
  • 2,237 clinicians in this Medicare group

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 90048 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
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
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 9

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

Obstetrics & Gynecology (Maternal & Fetal Medicine)
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Social Worker (Clinical)
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Psychologist (Clinical)
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Nurse Practitioner (Family)
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Genetic Counselor, MS
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Social Worker (Clinical)
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Obstetrics & Gynecology
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048
Obstetrics & Gynecology (Maternal & Fetal Medicine)
444 S SAN VICENTE BLVD STE 1001
LOS ANGELES, CA 90048

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 Eryn Wanyonyi's NPI number?

The NPI number for Eryn Wanyonyi is 1962962753. It was assigned to this individual provider in the NPPES registry on March 20, 2019.

Where is Eryn Wanyonyi located?

Eryn Wanyonyi practices at 444 S San Vicente Blvd Ste 1001, Los Angeles, CA 90048. The listed phone number is (310) 423-3492.

What is Eryn Wanyonyi's specialty?

The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.

Is Eryn Wanyonyi enrolled in Medicare?

Yes. Eryn Wanyonyi 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 Eryn Wanyonyi's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Eryn Wanyonyi reassigns Medicare benefits to 4 organizations: Cedars-Sinai Medical Care Foundation (Los Angeles, CA), Cedars-Sinai Medical Center (Los Angeles, CA), The University Of Chicago Medical Center (Chicago, IL) and University Of Chicago (Chicago, IL). 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 Eryn Wanyonyi'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 Eryn Wanyonyi was last updated on March 23, 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.