Dr. Pei Chen, MD

  • San Francisco, CA
  • Geriatric medicine (internal medicine) physician
NPI1295054948PAC ID2062726003
Medicare services, 2021
362
Part D claims, 2022
28
Publications
3
Hospital affiliations
1
Medical groups
3
Practice address
4150 Clement Street, San Francisco, CA 94121
Practice phone
Call (415) 221-4810
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

San Francisco VA Medical Center

Hospital · San Francisco, California

See all 7 affiliations

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Dr. Pei Chen is a geriatric medicine (internal medicine) physician in San Francisco, California

Dr. Chen practices at San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration.

Dr. Chen's NPI, 1295054948, was assigned on May 20, 2010. Dr. Chen graduated from The Robert Larner, M.D. College of Medicine in 2010. Dr. Chen holds California license A135701.

NPI and contact details
Medicare PAC ID
2062726003
NPI enumeration date
May 20, 2010
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(415) 221-4810
Professional email
Get email
Personal email
Get email
Mobile number
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Sex
Female
Estimated age
42
Medical school graduation
2010

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Pei Chen practices at San Francisco VA Medical Center in San Francisco, California

Dr. Chen's primary practice is San Francisco VA Medical Center, at 4150 Clement Street, San Francisco, CA 94121 in San Francisco County. The practice phone is (415) 221-4810.

Source: Dmand AI Affiliation Data

Dr. Pei Chen is affiliated with 4 sites of care and 3 medical groups

Dr. Chen's primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration. The medical group on file is UCSF Pediatrics. Dmand AI also links Dr. Chen to 3 more group practices and clinics and 2 medical groups, each named with a free account.

See all 7 affiliations for Dr. Chen

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Pei Chen's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices, 4 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
San Francisco VA Medical CenterAvailable with a free account
+3 more sites and 2 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Pei Chen is one of 497 geriatric medicine (internal medicine) physicians in California

Geriatric medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207RG0300X. Dr. Chen is board certified in geriatric medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chen's licenses on file in 3 states: California, New York and Massachusetts.

Specialties and state licenses

  • Geriatric medicine (internal medicine), CaliforniaPrimaryLicense A135701 · 2015 to 2027 · taxonomy 207RG0300X
  • Internal medicine, New YorkLicense 269237 · 2013 to 2024 · taxonomy 207R00000X
  • Massachusetts license2010 to 2013

Geriatric medicine (internal medicine) physicians near Dr. Chen

Counts of geriatric medicine (internal medicine) physicians 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. Pei Chen billed Medicare for 362 services in 2021

CMS data shows 362 Medicare services from Dr. Chen across 5 procedure codes in 2021. Medicare paid $28,025 for them.

Medicare services, 2021362
Paid by Medicare$28,025
Procedure codes5

Dr. Chen's Medicare services by type, 2020 to 2021

  • 2020
  • 2021
Office and hospital visits
2020: 6012021: 29551%
Other services
2020: 942021: 6729%

Where Dr. Chen's Medicare services took place, 2021

  • In an office32891%
  • In a facility349%

Dr. Chen compared with the California median for geriatric medicine (internal medicine) physicians, 2021

  • Dr. Chen
  • California median
Medicare services
362vs 42415% below
Part D claims
28vs 93097% below

Medians across 466 geriatric medicine (internal medicine) physicians in California with Dmand AI profiles that report each measure.

Dr. Chen's most billed Medicare procedure codes, 2021

CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.

See all procedures by Dr. Chen

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other geriatric medicine (internal medicine) physicians in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Pei Chen's patients have a median age of 74

Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 74, with 20% women.

Dr. Chen's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 74

Patient panel by sex, all payers

  • Women20%
  • Men79%

Source: Dmand AI Patient Panel Data

Dr. Pei Chen wrote 28 Medicare Part D claims in 2022

In 2022, Dr. Chen wrote 28 Medicare Part D claims. They cover 2 drugs, with $475 in total drug cost. In 2021, CMS named 1,454 claims across 46 drugs.

Part D claims, 202228
Drugs named by CMS2
Total drug cost$475

Dr. Chen's most prescribed drugs by claims, 2022

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Part D claims for drugs CMS names, 2021 to 2022

  • 2021
  • 2022
Claims for drugs CMS names
2021: 1,4542022: 2898%

Drugs named by CMS: 2 in 2022, 46 in 2021.

See all prescribing by Dr. Chen

Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026

Dr. Pei Chen offers telehealth to Medicare patients

Dr. Chen accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chen as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Pei Chen has 3 publications on record

Dmand AI links 3 papers to Dr. Chen, published from 2021 to 2022. The most frequent topics are Dementia. Dr. Chen's most frequent co-authors are Asif Ansari, MD, Marina Arvanitis, MD and Anna Haseltine Chodos, MD, MPH.

Papers3
Years published2021 to 2022

Topics Dr. Chen writes about most

  • Dementia

Dr. Chen's most frequent co-authors

Recent publications by Dr. Chen

See all 3 publications and co-authors

See who Dr. Chen researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chen works with, so you can find a warm path to the right geriatric medicine (internal medicine) physicians.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Pei Chen graduated from The Robert Larner, M.D. College of Medicine

Dr. Chen graduated from The Robert Larner, M.D. College of Medicine in 2010. Dr. Chen is a member of ACP, AGS and AMA.

  1. Medical schoolThe Robert Larner, M.D. College of Medicine
  2. Board certified in geriatric medicineAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Pei Chen's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Pei Chen

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. Pei Chen's NPI number?

Dr. Pei Chen's NPI number is 1295054948. It was assigned on May 20, 2010, and it is active in the NPI Registry.

What kind of doctor is Dr. Pei Chen?

Dr. Pei Chen is a geriatric medicine (internal medicine) physician in San Francisco, California. The primary specialty in the NPI Registry is Geriatric Medicine (Internal Medicine) Physician (taxonomy code 207RG0300X).

Where does Dr. Pei Chen practice?

Dr. Chen practices at 4150 Clement Street, San Francisco, CA 94121. Dr. Chen's primary practice is San Francisco VA Medical Center in San Francisco, California, part of Veterans Health Administration. Dmand AI also links Dr. Chen to 3 group practices and clinics and 2 medical groups.

What is Dr. Pei Chen's office phone number?

The practice phone on file for Dr. Chen is (415) 221-4810.

What is Dr. Pei Chen's medical license number?

Dr. Chen holds California license A135701, one of the licenses on file in 3 states.

Which states has Dr. Pei Chen been licensed in?

Dmand AI has state licenses on file for Dr. Chen in California (2015 to 2027), New York (2013 to 2024) and Massachusetts (2010 to 2013).

Which hospitals is Dr. Pei Chen affiliated with?

Dr. Chen practices at San Francisco VA Medical Center in San Francisco, California.

What medical group is Dr. Pei Chen part of?

Dr. Chen is linked to UCSF Pediatrics. Dmand AI links Dr. Chen to 2 more medical groups.

Does Dr. Pei Chen accept Medicare?

Yes. CMS data shows Dr. Chen billed Medicare for 362 services in 2021, and Dr. Chen accepts Medicare assignment.

Does Dr. Pei Chen offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chen as offering telehealth services.

Show 7 more questionsShow fewer questions

Is Dr. Pei Chen board certified?

Yes. Dr. Chen is board certified in geriatric medicine by the American Board of Internal Medicine.

What services does Dr. Pei Chen bill to Medicare?

In 2021, Dr. Chen's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99215) and medicare service (G0180).

Where did Dr. Pei Chen go to medical school?

Dr. Chen graduated from The Robert Larner, M.D. College of Medicine in 2010.

What drugs does Dr. Pei Chen prescribe most?

In 2022 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium and Isosorbide Mononitrate ER.

How long has Dr. Pei Chen been practicing?

Dr. Chen graduated from medical school in 2010, 16 years ago.

Does Dr. Pei Chen do research?

Dmand AI links 3 publications to Dr. Chen, published from 2021 to 2022.

Who does Dr. Pei Chen publish with?

Dr. Chen's most frequent co-authors are Asif Ansari, MD (1 shared paper), Marina Arvanitis, MD (1 shared paper) and Anna Haseltine Chodos, MD, MPH (1 shared paper).

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