Allison Bayer, PA-C
NPI 1437141165 · Physician Assistant · Pleasanton, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Bayer, PA-C is a Physician Assistant provider in Pleasanton, CA (NPI 1437141165).
Provider details
- NPI number
- 1437141165
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 1274 (MA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
2 documented practice locations
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Additional practice locations (1)
- 2100 Dorchester AveSuite 2206Dorchester Center, MA 02124-5615Phone: (617) 296-2222Fax: (617) 296-3834
Registry dates
- Enumerated
- 2005-08-18
- Last updated
- 2025-09-11
- Certified
- 2025-09-11
Frequently asked questions
- What is Allison Bayer's NPI number?
- Allison Bayer's National Provider Identifier (NPI) is 1437141165, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Bayer's specialty?
- Allison Bayer is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Allison Bayer located?
- Allison Bayer's practice location on file with NPPES is 4725 1st St Ste 100, Pleasanton, CA 94566-7366.
- What is Allison Bayer's phone number?
- The practice phone number listed in the NPPES registry for Allison Bayer is (925) 734-3333.
- Does Allison Bayer accept Medicare?
- Allison Bayer is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Bayer's NPI active?
- Yes — Allison Bayer's NPI (1437141165) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.