Eileen Hahn, PHYSICIAN ASSISTANT
Physician Assistant · Walnut Creek, CA
Eileen Hahn, PHYSICIAN ASSISTANT is a physician assistant with a practice address in Walnut Creek, California, and NPI 1861370264, issued on Aug 25, 2025. Check the license with the California board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Eileen Hahn
- Credential
- PHYSICIAN ASSISTANT
- Primary taxonomy
- Physician Assistant 363A00000X
- Practice location
- 1399 Ygnacio Valley RD Ste 11D, Walnut Creek, CA 94598
- Phone
- (925) 357-9033
- Enumerated
- Aug 25, 2025
- Record last updated
- Aug 25, 2025
- Medicare enrollment
- Enrolled (PECOS I20251123000064); may accept Medicare assignment
- Medical or professional school
- Philadelphia College Of Osteopathic Medicine, 2025
- Entity
- Type 1 · individual
8 nearest physician assistant records → All 14,451 in California → Look up another NPI →
Also registered at 1399 Ygnacio Valley RD Ste 11D
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ran Kim, M.D.Colon & Rectal Surgery Physician1437237005
Verify Eileen Hahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Eileen Hahn among 14,451 physician assistant records in California
Eileen Hahn, PHYSICIAN ASSISTANT is one of 14,451 physician assistant records with a practice address in California. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 93% of them.
- NPI issued2025 · 93% of these records are older, 3% newer
- In a Medicare fileNo · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2025 · median 2018 among the 7,214 with a school on file
- Record last updated2025 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363A00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
89 physician assistant records list a practice address in Walnut Creek
They are 89 of the 6,170 NPPES records with a practice address in Walnut Creek, and 14,451 physician assistant records in California. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 14,451 in California → Every provider in Walnut Creek → Physician Assistant nationwide →
The 8 physician assistant records with the nearest ZIP codes
- Carolyn Cardamone, P.A-CWalnut Creek, CA 945981639194616
- Stephanie Chin, PA-CWalnut Creek, CA 945981902936115
- Jennifer Falk, PA-CWalnut Creek, CA 945981093014110
- Megan Hardin, MPA, PA-CWalnut Creek, CA 945981831411453
- Heidi Heal, PA-CWalnut Creek, CA 945981912967498
- Coryn Nicholls, PA-CWalnut Creek, CA 945981487832739
- Elizabeth Oconnor, PACWalnut Creek, CA 945981356598403
- Ingrid Pampalone, PA-CWalnut Creek, CA 945981891937652
Common questions
What is Eileen Hahn, PHYSICIAN ASSISTANT's NPI number?
Eileen Hahn, PHYSICIAN ASSISTANT's National Provider Identifier (NPI) is 1861370264, issued on Aug 25, 2025. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Hahn, PHYSICIAN ASSISTANT located?
The NPPES record lists a practice address at 1399 Ygnacio Valley RD Ste 11D, Walnut Creek, CA, 94598. Phone: (925) 357-9033. Providers update this record themselves, so call before visiting.
How can I verify Eileen Hahn, PHYSICIAN ASSISTANT's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.