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EILEEN HAHN PHYSICIAN ASSISTANT
NPI 1861370264
Physician Assistant in Walnut Creek, CA

Active since August 25, 2025PECOS Enrolled
1399 YGNACIO VALLEY RD STE 11D, WALNUT CREEK, CA 94598(925) 357-9033 Get Directions Write a Review

NPPES record last updated: August 25, 2025. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Eileen Hahn Physician Assistant NPPES

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

EILEEN HAHN PHYSICIAN ASSISTANT (NPI 1861370264) is an individual physician assistant in Walnut Creek, California and active in the NPI registry since August 2025. She is enrolled in Medicare PECOS and is a graduate of Philadelphia College Of Osteopathic Medicine (2025).

NPPES Registry Identity

NPI1861370264
Entity TypeIndividualFemale
Primary Taxonomy363A00000X
Provider Legal NameEILEEN HAHNCredential: PHYSICIAN ASSISTANT
Location Address1399 YGNACIO VALLEY RD STE 11DWalnut Creek, CA 94598-2874
Mailing Address1154 Lake Point WaySuwanee, GA 30024-8485 · (678) 577-4532
Phone(925) 357-9033
Sole ProprietorNo
Medical School CMSPhiladelphia College Of Osteopathic MedicineGraduated 2025
Enumeration DateAugust 25, 2025
NPPES CertifiedAugust 24, 2025
✔ NPI 1861370264 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPhysician AssistantPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363A00000X
Definition
A physician assistant is a person who has successfully completed an accredited education program for physician assistant, is licensed by the state and is practicing within the scope of that license. Physician assistants are formally trained to perform many of the routine, time-consuming tasks a physician can do. In some states, they may prescribe medications. They take medical histories, perform physical exams, order lab tests and x-rays, and give inoculations. Most states require that they work under the supervision of a physician.
1399 YGNACIO VALLEY RD STE 11D, Walnut Creek, CA 94598
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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)

Eileen Hahn Physician Assistant is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1153813514
PECOS Enrollment IDI20251123000064
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 94598 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
$104.51 typical visit price
range $69.00 – $202.35
Typical copayment $26.12 (range $17.25 – $50.58)
Most-billed visit code 99203
Established Patient
$84.91 typical visit price
range $23.44 – $166.46
Typical copayment $21.22 (range $5.86 – $41.61)
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 3

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

DR. RAN S KIM M.D.
Colon & Rectal Surgery
1399 YGNACIO VALLEY RD STE 11D
WALNUT CREEK, CA 94598
Contra Costa County (925) 430-5613
U WELLNESS WOUND CARE APC
Surgery
1399 YGNACIO VALLEY RD STE 11D
WALNUT CREEK, CA 94598
Contra Costa County (925) 357-9033
ANDES MEDICAL CARE APC
Surgery
1399 YGNACIO VALLEY RD STE 11D
WALNUT CREEK, CA 94598
Contra Costa County (925) 357-9033

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 Eileen Hahn's NPI number?

The NPI number for Eileen Hahn is 1861370264. It was assigned to this individual provider in the NPPES registry on August 25, 2025.

Where is Eileen Hahn located?

Eileen Hahn practices at 1399 Ygnacio Valley Rd Ste 11D, Walnut Creek, CA 94598. The listed phone number is (925) 357-9033.

What is Eileen Hahn's specialty?

The primary specialty registered for this NPI is Physician Assistant with taxonomy code 363A00000X.

Is Eileen Hahn enrolled in Medicare?

Yes. Eileen Hahn is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Eileen Hahn was last updated on August 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.