Dr. Allison Pei, MD
- Part D claims, 2024
- 71
- Hospital affiliations
- 2
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 5555 West Las Positas Boulevard, Pleasanton, CA 94588
- Practice phone
- Call (925) 847-3000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Pei's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Allison Pei is an internist in Pleasanton, California
Dr. Pei practices at Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
Dr. Pei's NPI, 1962152579, was assigned on March 25, 2022. Dr. Pei holds California license A188766.
- NPI
- 1962152579NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1456852490
- NPI enumeration date
- March 25, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (925) 847-3000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Allison Pei practices at Stanford Health Care Tri-Valley in Pleasanton, California
Dr. Pei's primary practice is Stanford Health Care Tri-Valley, at 5555 West Las Positas Boulevard, Pleasanton, CA 94588 in Alameda County. The practice phone is (925) 847-3000.
- Stanford Health Care Tri-Valley5555 West Las Positas Boulevard, Pleasanton, CA 94588 · Alameda CountyPhone(925) 847-3000
Source: Dmand AI Affiliation Data
Dr. Allison Pei is affiliated with 2 sites of care and 1 medical group
Dr. Pei's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University. Dr. Pei is also affiliated with Stanford Hospital at 300 Pasteur Drive. The medical group on file is Stanford Health Care.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Allison Pei's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Pei practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stanford Health Care Tri-Valley | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Allison Pei is one of 16,751 internists in California
Internal medicine is Dr. Pei's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Pei is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Pei
Counts of internists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. Allison Pei's patients have a median age of 66
Across all payers, Dmand AI patient panel data puts Dr. Pei's median patient age at 66, with 49% women.
Dr. Pei's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 66
Patient panel by sex, all payers
- Women49%
- Men48%
Source: Dmand AI Patient Panel Data
Dr. Allison Pei wrote 71 Medicare Part D claims in 2024
In 2024, Dr. Pei wrote 71 Medicare Part D claims for 26 patients. 93% of them were for generic drugs.
Dr. Pei's Part D claims by kind of drug, 2024
- Generic66 claims93%
- Brand-name and other5 claims7%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
How Dr. Allison Pei takes part in Medicare
Dr. Pei accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Sources for Dr. Allison Pei's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Allison Pei
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. Allison Pei's NPI number?
Dr. Allison Pei's NPI number is 1962152579. It was assigned on March 25, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Allison Pei?
Dr. Allison Pei is an internist in Pleasanton, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Allison Pei practice?
Dr. Pei practices at 5555 West Las Positas Boulevard, Pleasanton, CA 94588. Dr. Pei's primary practice is Stanford Health Care Tri-Valley in Pleasanton, California, part of Stanford University.
What is Dr. Allison Pei's office phone number?
The practice phone on file for Dr. Pei is (925) 847-3000.
What is Dr. Allison Pei's medical license number?
Dr. Pei holds California license A188766.
Which hospitals is Dr. Allison Pei affiliated with?
Dr. Pei practices at Stanford Health Care Tri-Valley in Pleasanton, California. Dr. Pei is also affiliated with Stanford Hospital at 300 Pasteur Drive.
What medical group is Dr. Allison Pei part of?
Dr. Pei is linked to Stanford Health Care.
Does Dr. Allison Pei accept Medicare?
Yes. CMS lists Dr. Pei as accepting Medicare assignment.
How long has Dr. Allison Pei been practicing?
Dr. Pei graduated from medical school in 2022, 4 years ago.
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