Allison Pei, MD
NPI 1962152579 · Internal Medicine Physician · Stanford, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Allison Pei, MD is a Internal Medicine Physician provider in Stanford, CA (NPI 1962152579).
Provider details
- NPI number
- 1962152579
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- A188766 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
4 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)
- 200 W Arbor Dr # Mc8425San Diego, CA 92103-1911Phone: (619) 543-6268
Registry dates
- Enumerated
- 2022-03-25
- Last updated
- 2025-09-05
- Certified
- 2025-09-05
Frequently asked questions
- What is Allison Pei's NPI number?
- Allison Pei's National Provider Identifier (NPI) is 1962152579, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Allison Pei's specialty?
- Allison Pei is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Allison Pei located?
- Allison Pei's practice location on file with NPPES is 300 Pasteur Dr, Stanford, CA 94305-2200.
- What is Allison Pei's phone number?
- The practice phone number listed in the NPPES registry for Allison Pei is (650) 723-4000.
- Does Allison Pei accept Medicare?
- Allison Pei is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Allison Pei's NPI active?
- Yes — Allison Pei's NPI (1962152579) is active in the NPPES registry as of the last update on 2025-09-05.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.