J Am Geriatr Soc
Dr. Pei Chen, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Chen'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. 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
- 1295054948NPI Registry (opens in a new tab)
- 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
- Get number
- 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.
- San Francisco VA Medical Center4150 Clement Street, San Francisco, CA 94121 · San Francisco CountyPhone(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.
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.
| Site | EHR vendor and product |
|---|---|
| San Francisco VA Medical Center | Available with a free account |
| +3 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Veterans Health Administration and 6.2K+ hospitals, with verified contacts in the same login.
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), CaliforniaPrimary
- Internal medicine, New York
- Massachusetts license
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.
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.
Need commercial claims for Dr. Chen?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chen and other geriatric medicine (internal medicine) physicians in California.
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.
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.
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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
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.
Topics Dr. Chen writes about most
- Dementia
Dr. Chen's most frequent co-authors
- Asif Ansari, MD1 shared paper
- Marina Arvanitis, MD1 shared paper
- Anna Haseltine Chodos, MD, MPH1 shared paper
Recent publications by Dr. Chen
J Alzheimers Dis
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.
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.
- Medical school
- Board certified in geriatric medicine
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Sources for Dr. Pei Chen'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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| 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. 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).
Selling to geriatric medicine practices?
See geriatric medicine (internal medicine) physicians in California by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card