Dr. Michael Chen, MD
- Medicare services, 2017
- 48
- Part D claims, 2024
- 16
- Publications
- 1
- Industry payments
- $538
- Affiliated sites
- 1
- Practice address
- 501 Folsom St, San Francisco, CA 94105
- Practice phone
- Call (844) 847-8216
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Virta Medical P.c.
Primary care practice · San Francisco, California
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. Michael Chen is an internist in San Francisco, California
Dr. Chen practices at Virta Medical P.c. in San Francisco, California.
Dr. Chen's NPI, 1063778587, was assigned on April 10, 2012. Dr. Chen holds Washington license MD.MD.61535193.
- NPI
- 1063778587NPI Registry (opens in a new tab)
- NPI enumeration date
- April 10, 2012
- NPI status
- Active
- Practice phone
- (844) 847-8216
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Chen practices at Virta Medical P.c. in San Francisco, California
Dr. Chen's primary practice is Virta Medical P.c., at 501 Folsom St, San Francisco, CA 94105. The practice phone is (844) 847-8216.
- Virta Medical P.c.501 Folsom St, San Francisco, CA 94105Phone(844) 847-8216
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Michael Chen is affiliated with 1 site of care and 1 medical group
Dr. Chen's primary practice is Virta Medical P.c. in San Francisco, California. The medical group on file is Virta Health.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Michael Chen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chen practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Virta Medical P.c. | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Chen is one of 16,751 internists in California
Internal medicine is Dr. Chen's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dmand AI has Dr. Chen's licenses on file in 2 states: Washington and New York.
Specialties and state licenses
- Internal medicine, WashingtonPrimary
- New York license
Internists near Dr. Chen
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. Michael Chen billed Medicare for 48 services in 2017
CMS data shows 48 Medicare services from Dr. Chen across 3 procedure codes in 2017. Medicare paid $3,702 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chen's Medicare services by type, 2016 to 2017
- 2016
- 2017
- Office and hospital visits
- 2016: 1832017: 4874%
Dr. Chen compared with the California median for internists, 2017
- Dr. Chen
- California median
- Medicare services
- 48vs 36187% below
- Part D claims
- 64vs 42185% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Chen's most billed Medicare procedure codes, 2017
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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Michael Chen's patients have a median age of 54
Across all payers, Dmand AI patient panel data puts Dr. Chen's median patient age at 54, with 67% 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 54
Patient panel by sex, all payers
- Women67%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Michael Chen wrote 16 Medicare Part D claims in 2024
In 2024, Dr. Chen wrote 16 Medicare Part D claims. Every claim was for a generic drug. They cover 4 drugs, with $844 in total drug cost.
Dr. Chen's most prescribed drugs by claims, 2016
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Michael Chen has 1 publication on record
Dmand AI links 1 paper to Dr. Chen in 2020.
Recent publications by Dr. Chen
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 internists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Michael Chen received $538 in industry payments from 2018 to 2023
CMS Open Payments shows 10 general payments to Dr. Chen from 4 drug and device companies from 2018 to 2023. Food and beverage make up the largest share, 100% of the total. Genentech, Inc. paid the most, $394.
General payments to Dr. Chen by program year, 2018 to 2023
Companies that paid Dr. Chen the most, 2018 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Michael 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 DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| 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)Medicare Part D Prescribers - by Provider (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 |
| Industry payments | Open Payments (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. Michael 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. Michael Chen's NPI number?
Dr. Michael Chen's NPI number is 1063778587. It was assigned on April 10, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Chen?
Dr. Michael Chen is an internist in San Francisco, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Chen practice?
Dr. Chen practices at 501 Folsom St, San Francisco, CA 94105. Dr. Chen's primary practice is Virta Medical P.c. in San Francisco, California.
What is Dr. Michael Chen's office phone number?
The practice phone on file for Dr. Chen is (844) 847-8216.
What is Dr. Michael Chen's medical license number?
Dr. Chen holds Washington license MD.MD.61535193, one of the licenses on file in 2 states.
Which states has Dr. Michael Chen been licensed in?
Dmand AI has state licenses on file for Dr. Chen in Washington and New York.
What medical group is Dr. Michael Chen part of?
Dr. Chen is linked to Virta Health.
Does Dr. Michael Chen accept Medicare?
Yes. CMS data shows Dr. Chen billed Medicare for 48 services in 2017.
What services does Dr. Michael Chen bill to Medicare?
In 2017, Dr. Chen's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and hospital inpatient care (99221).
What drugs does Dr. Michael Chen prescribe most?
In 2016 Medicare Part D data, Dr. Chen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
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Has Dr. Michael Chen received payments from drug or device companies?
CMS Open Payments shows $538 in general payments to Dr. Chen from 4 companies from 2018 to 2023. The largest total came from Genentech, Inc.
How long has Dr. Michael Chen been practicing?
Dr. Chen graduated from medical school in 2012, 14 years ago.
Does Dr. Michael Chen do research?
Dmand AI links 1 publication to Dr. Chen.
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