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MARGARET HELEN BEAR PA-C
NPI 1073460341
Physician Assistant - Medical in Antioch, CA

Active since March 14, 2026PECOS Enrolled
3901 LONE TREE WAY, ANTIOCH, CA 94509(925) 779-7200 Get Directions Write a Review

NPPES record last updated: March 14, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Margaret Helen Bear Pa-c NPPES

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

MARGARET HELEN BEAR PA-C (NPI 1073460341) is an individual medical provider in Antioch, California, licensed in California (67702) and active in the NPI registry since March 2026. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1073460341
Entity TypeIndividualFemale
Primary Taxonomy363AM0700X
Provider Legal NameMARGARET HELEN BEARCredential: PA-C
Location Address3901 LONE TREE WAYAntioch, CA 94509-6200
Mailing Address3901 Lone Tree WayAntioch, CA 94509-6200 · (925) 779-7200
Phone(925) 779-7200
Sole ProprietorNo
Enumeration DateMarch 14, 2026
NPPES CertifiedMarch 14, 2026
✔ NPI 1073460341 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician Assistant · MedicalPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363AM0700X
License✔ Licensed in CA · 67702
3901 LONE TREE WAY, Antioch, CA 94509
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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)

Margaret Helen Bear Pa-c 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.

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.

DR. DUNG THINGOC NGUYEN PHARM. D.
Pharmacist
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (925) 779-7200
KATHLEEN A REGACHO MD
Emergency Medicine
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (925) 779-3522
KHANH D NGUYEN M.D.
Emergency Medicine
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (510) 350-2657
CATHERINE JANSON PROSSER N.P.
Registered Nurse
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (925) 779-7200
MARY ANTIONETTE FITZSIMONS M.D
Emergency Medicine
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (925) 779-7273
CATHERINE J. BELL MD
Anesthesiology
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (925) 779-7200
DR. PATRICIA ANNE YABUT HARO M.D.
Hospitalist
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (916) 854-6975
GALEN INPATIENT PHYSICIAN INC.
Internal Medicine
3901 LONE TREE WAY
ANTIOCH, CA 94509
Contra Costa County (925) 779-7200

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 Margaret Bear's NPI number?

The NPI number for Margaret Bear is 1073460341. It was assigned to this individual provider in the NPPES registry on March 14, 2026.

Where is Margaret Bear located?

Margaret Bear practices at 3901 Lone Tree Way, Antioch, CA 94509. The listed phone number is (925) 779-7200.

What is Margaret Bear's specialty?

The primary specialty registered for this NPI is Physician Assistant, specializing in Medical, with taxonomy code 363AM0700X.

Is Margaret Bear enrolled in Medicare?

Yes. Margaret Bear is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Margaret Bear was last updated on March 14, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.