AlgorithmsAnti-Bacterial AgentsAntimicrobial Peptides
Dr. Gary Yen, MD
NPI1497844351
- Medicare services, 2023
- 174
- Part D claims, 2024
- 290
- Publications
- 44
- Industry payments
- $14
- Affiliated sites
- 2
- Practice address
- 1500 E Medical Center Dr, Ann Arbor, MI 48109
- Practice phone
- Call (734) 936-4000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
University Hospital
School-Based Health Center · Ann Arbor, Michigan
Find Dr. Yen's professional email, personal email and mobile number
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Dr. Gary Yen is a family medicine physician in Ann Arbor, Michigan
Dr. Yen practices at University Hospital in Ann Arbor, Michigan.
Dr. Yen's NPI, 1497844351, was assigned on October 11, 2006. Dr. Yen graduated from University of Louisville School of Medicine in 2001. Dr. Yen holds Michigan license 4301078383.
NPI and contact details
- NPI
- 1497844351NPI Registry (opens in a new tab)
- NPI enumeration date
- October 11, 2006
- NPI status
- Active
- Practice phone
- (734) 936-4000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 51
- Medical school graduation
- 2001
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Affiliation Data
Dr. Gary Yen practices at University Hospital in Ann Arbor, Michigan
Dr. Yen's primary practice is University Hospital, at 1500 E Medical Center Dr, Ann Arbor, MI 48109. The practice phone is (734) 936-4000.
- University Hospital1500 E Medical Center Dr, Ann Arbor, MI 48109Phone(734) 936-4000
Source: Dmand AI Affiliation Data
Dr. Gary Yen is affiliated with 2 sites of care and 1 medical group
Dr. Yen's primary practice is University Hospital in Ann Arbor, Michigan. The medical group on file is University of Michigan Health. Dmand AI also links Dr. Yen to 1 more group practice or clinic, named with a free account. Dr. Yen's employer is on file too: a school & student health.
University HospitalPrimary
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Gary Yen's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Yen practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| University Hospital | 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. Gary Yen is one of 4,931 family medicine physicians in Michigan
Family medicine is Dr. Yen's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Yen is licensed in Michigan.
Specialties and state licenses
- Family medicine, MichiganPrimary
Family medicine physicians near Dr. Yen
Counts of family 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. Gary Yen billed Medicare for 174 services in 2023
CMS data shows 174 Medicare services from Dr. Yen across 5 procedure codes in 2023. Medicare paid $13,219 for them. Every service was in an office.
Medicare services, 2023174
Paid by Medicare$13,219
Procedure codes5
Dr. Yen's Medicare services by type, 2022 to 2023
- 2022
- 2023
- Office and hospital visits
- 2022: 382023: 122221%
- Other services
- 2022: 352023: 5249%
Dr. Yen compared with the Michigan median for family medicine physicians, 2023
- Dr. Yen
- Michigan median
- Medicare services
- 174vs 24830% below
- Part D claims
- 145vs 1,03386% below
Medians across 4,990 family medicine physicians in Michigan with Dmand AI profiles that report each measure.
Dr. Yen's most billed Medicare procedure codes, 2023
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Gary Yen's patients have a median age of 53
Across all payers, Dmand AI patient panel data puts Dr. Yen's median patient age at 53, with 33% women.
Dr. Yen's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 53
Patient panel by sex, all payers
- Women33%
- Men67%
Source: Dmand AI Patient Panel Data
Dr. Gary Yen wrote 290 Medicare Part D claims in 2024
In 2024, Dr. Yen wrote 290 Medicare Part D claims for 67 patients. 93% of them were for generic drugs. CMS names the drug for 145 of them, across 7 drugs with 11 or more claims each, at $3,567 in total drug cost. In 2023, CMS named 905 claims across 32 drugs.
Part D claims, 2024290
Drugs named by CMS7
Total drug cost$3,567
Part D patients67
Dr. Yen's Part D claims by kind of drug, 2024
- Generic270 claims93%
- Brand-name and other20 claims7%
Dr. Yen's most prescribed drugs by claims, 2024
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, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 9052024: 14584%
Drugs named by CMS: 7 in 2024, 32 in 2023.
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. Gary Yen has 44 publications on record
Dmand AI links 44 papers to Dr. Yen, published from 2008 to 2025. 2021 was the busiest year, with 7. The most frequent topics are Algorithms, Neural Networks, Computer and Computer Simulation. Dr. Yen has published most often in IEEE Trans Cybern. Dr. Yen's most frequent co-author is Gary L. Yen, MD.
Papers44
Years published2008 to 2025
Dr. Yen's papers by year, 2015 to 2025
Topics Dr. Yen writes about most
- Algorithms
- Neural Networks, Computer
- Computer Simulation
- Artificial Intelligence
- Biological Evolution
- Biomimetics
- Decision Support Techniques
- Electrocardiography
Dr. Yen's most frequent co-authors
Recent publications by Dr. Yen
IEEE Trans Neural Netw Learn Syst
IEEE Trans Neural Netw Learn Syst
See who Dr. Yen researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Yen works with, so you can find a warm path to the right family medicine physicians.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Gary Yen received $14 in industry payments in 2020
CMS Open Payments shows 1 general payment to Dr. Yen from 1 drug or device company in 2020. Food and beverage make up the largest share, 100% of the total. Allergan Inc. paid the most, $14.
Companies that paid Dr. Yen the most, 2020 to 2020
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Gary Yen graduated from University of Louisville School of Medicine
Dr. Yen graduated from University of Louisville School of Medicine in 2001.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Gary Yen'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)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) |
| 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. Gary Yen
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. Gary Yen's NPI number?
Dr. Gary Yen's NPI number is 1497844351. It was assigned on October 11, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Gary Yen?
Dr. Gary Yen is a family medicine physician in Ann Arbor, Michigan. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Gary Yen practice?
Dr. Yen practices at 1500 E Medical Center Dr, Ann Arbor, MI 48109. Dr. Yen's primary practice is University Hospital in Ann Arbor, Michigan. Dmand AI also links Dr. Yen to 1 group practice or clinic.
What is Dr. Gary Yen's office phone number?
The practice phone on file for Dr. Yen is (734) 936-4000.
What is Dr. Gary Yen's medical license number?
Dr. Yen holds Michigan license 4301078383.
What medical group is Dr. Gary Yen part of?
Dr. Yen is linked to University of Michigan Health.
Does Dr. Gary Yen accept Medicare?
Yes. CMS data shows Dr. Yen billed Medicare for 174 services in 2023.
What services does Dr. Gary Yen bill to Medicare?
In 2023, Dr. Yen's most billed Medicare services were office visit, established patient (99214), medicare service (G0439) and office visit, established patient (99213).
Where did Dr. Gary Yen go to medical school?
Dr. Yen graduated from University of Louisville School of Medicine in 2001.
What drugs does Dr. Gary Yen prescribe most?
In 2024 Medicare Part D data, Dr. Yen's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
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Has Dr. Gary Yen received payments from drug or device companies?
CMS Open Payments shows $14 in general payments to Dr. Yen from 1 company from 2020 to 2020. The largest total came from Allergan Inc.
How long has Dr. Gary Yen been practicing?
Dr. Yen graduated from medical school in 2001, 25 years ago.
Does Dr. Gary Yen do research?
Dmand AI links 44 publications to Dr. Yen, published from 2008 to 2025.
Who does Dr. Gary Yen publish with?
Dr. Yen's most frequent co-authors are Gary L. Yen, MD (1 shared paper).
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