SEAN WILLIAMS M.D.
NPI 1033313242
Pediatrics in Los Angeles, CA

Q: What is Sean Williams's NPI number?

The NPI number for Sean Williams is 1033313242. It was assigned to this individual provider in the NPPES registry on June 12, 2007.

Q: What is Sean Williams's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Q: When was this NPI record last updated?

The NPPES record for Sean Williams was last updated on May 30, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years 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.

Active since June 12, 2007PECOS Enrolled

507 S ATLANTIC BLVD, LOS ANGELES, CA 90022(323) 268-9191 Get Directions Write a Review

NPPES record last updated: May 30, 2015. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Sean Williams M.d. NPPES

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

SEAN WILLIAMS M.D. (NPI 1033313242) is an individual pediatrics provider in Los Angeles, California, licensed in California (A97319) and active in the NPI registry since June 2007. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033313242

Entity TypeIndividualMale

Primary Taxonomy208000000X

Provider Legal NameSEAN WILLIAMSCredential: M.D.

Location Address507 S ATLANTIC BLVDLos Angeles, CA 90022-2621

Mailing Address507 S Atlantic BlvdLos Angeles, CA 90022-2621 · (323) 268-9191

Phone(323) 268-9191

Sole ProprietorNo

Enumeration DateJune 12, 2007

Last NPPES UpdateMay 30, 2015

✔ NPI 1033313242 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians

Taxonomy Code208000000X

License✔ Licensed in CA · A97319

Definition

A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.

507 S ATLANTIC BLVD, Los Angeles, CA 90022

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Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Sean Williams M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90022 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

$96.36 typical visit price

range $62.96 – $187.60

Typical copayment $24.09 (range $15.74 – $46.90)

Most-billed visit code 99203

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.

CAROLYN CORTES

Registered Nurse