Dr. Wei Fan, MD
- Medicare services, 2024
- 5,455
- Medicare patients, 2024
- 539
- Part D claims, 2024
- 10,005
- Publications
- 94
- MIPS score, 2024
- 95
- Practice address
- 2401 Research Blvd Ste 370, Rockville, MD 20850-3269
- Practice phone
- Call (240) 690-4114
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Potomac Advanced Medical Care
Physician office · Rockville, Maryland
Find Dr. Fan's professional email, personal email and mobile number
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Dr. Wei Fan is an internist in Rockville, Maryland
Dr. Fan practices at Potomac Advanced Medical Care in Rockville, Maryland.
Dr. Fan's NPI, 1013273606, was assigned on April 8, 2012. Dr. Fan holds Maryland license D0078938.
- NPI
- 1013273606NPI Registry (opens in a new tab)
- Medicare PAC ID
- 2062716335
- NPI enumeration date
- April 8, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (240) 690-4114
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 67
- Medical school graduation
- 1985
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Wei Fan practices at Potomac Advanced Medical Care in Rockville, Maryland
Dr. Fan's primary practice is Potomac Advanced Medical Care, at 2401 Research Blvd Ste 370, Rockville, MD 20850-3269. The practice phone is (240) 690-4114.
- Potomac Advanced Medical Care2401 Research Blvd Ste 370, Rockville, MD 20850-3269Phone(240) 690-4114
Source: Dmand AI Affiliation Data
Dr. Wei Fan is affiliated with 3 sites of care
Dr. Fan's primary practice is Potomac Advanced Medical Care in Rockville, Maryland. Dr. Fan is also affiliated with Adventist HealthCare Shady Grove Medical Center. Dmand AI also links Dr. Fan to 1 more home health agency, named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Wei Fan's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Fan practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Potomac Advanced Medical Care | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Wei Fan is one of 3,320 internists in Maryland
Internal medicine is Dr. Fan's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Fan is licensed in Maryland.
Specialties and state licenses
- Internal medicine, MarylandPrimary
Internists near Dr. Fan
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. Wei Fan billed Medicare for 5,455 services in 2024
CMS data shows 5,455 Medicare services from Dr. Fan across 23 procedure codes in 2024, for 539 Medicare patients. Medicare paid $277,405 for them. Every service was in an office.
Dr. Fan's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,3472024: 2,349No change
- Other services
- 2023: 1,5522024: 2,22643%
- Tests and treatments
- 2023: 8972024: 8802%
- Surgery
- 2023: 832024: 0100%
Dr. Fan compared with the Maryland median for internists, 2024
- Dr. Fan
- Maryland median
- Medicare services
- 5,455vs 6568.3 times
- Medicare patients
- 539vs 2512.1 times
- Part D claims
- 9,581vs 30931.0 times
Medians across 3,215 internists in Maryland with Dmand AI profiles that report each measure.
Dr. Fan's most billed Medicare procedure codes, 2024
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. Wei Fan treated 539 Medicare patients in 2024, average age 77
CMS counts 539 Medicare patients who saw Dr. Fan in 2024. The largest group is 65 to 74, with 251 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 34% are also on Medicaid. Their average risk score is 0.97, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Fan's median patient age at 66, with 57% women.
Dr. Fan's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Fan's Medicare patients by sex, 2024
- Women32160%
- Men21840%
Chronic conditions among Dr. Fan's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Diabetes62%
- Arthritis35%
- Osteoporosis28%
- Chronic kidney disease22%
- Anxiety16%
- COPD12%
Share of Medicare patients with each condition. A patient can have several.
Dr. Fan'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
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Wei Fan wrote 10,005 Medicare Part D claims in 2024
In 2024, Dr. Fan wrote 10,005 Medicare Part D claims for 501 patients. 88% of them were for generic drugs. CMS names the drug for 9,581 of them, across 107 drugs with 11 or more claims each, at $981,362 in total drug cost. In 2023, CMS named 7,951 claims across 100 drugs.
Dr. Fan's Part D claims by kind of drug, 2024
- Generic8,807 claims88%
- Brand-name1,185 claims12%
- Other13 claims0%
Dr. Fan'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.
Drug classes CMS tracks in Dr. Fan's Part D claims, 2024
- Antibiotics2%239 of 10,005 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7,9512024: 9,58121%
Drugs named by CMS: 107 in 2024, 100 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
Dr. Wei Fan scored 95 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 95 out of 100 for Dr. Fan for performance year 2024, reported through an alternative payment model (APM). Dr. Fan accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Fan as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Fan's MIPS scores, performance year 2024
- 95of 100Final score
- 90.3of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Wei Fan has 94 publications on record
Dmand AI links 94 papers to Dr. Fan, published from 2010 to 2025. 2016 was the busiest year, with 10. The most frequent topics are Tissue Distribution, Cell Line, Tumor and Receptors, Neurotensin. Dr. Fan has published most often in Angew Chem Int Ed Engl. Dr. Fan's most frequent co-authors are Xiaoling Li, MD, Andrei D. Sdrulla, MD, PhD and Barbara Anne Dennison, MD.
Dr. Fan's papers by year, 2016 to 2025
Topics Dr. Fan writes about most
- Tissue Distribution
- Cell Line, Tumor
- Receptors, Neurotensin
- HT29 Cells
- Cathepsins
- Mice, Inbred C57BL
- Accidents, Traffic
- Antineoplastic Agents
Dr. Fan's most frequent co-authors
- Xiaoling Li, MD8 shared papers
- Andrei D. Sdrulla, MD, PhD3 shared papers
- Barbara Anne Dennison, MD2 shared papers
Recent publications by Dr. Fan
Int J Inj Contr Saf Promot
See who Dr. Fan researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Fan 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. Wei Fan received $7,714 in industry payments from 2016 to 2025
CMS Open Payments shows 319 general payments to Dr. Fan from 33 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. AstraZeneca Pharmaceuticals LP paid the most, $2,120.
General payments to Dr. Fan by program year, 2016 to 2025
General payments to Dr. Fan by kind, 2016 to 2025
- Food and beverage$7,687100%
- Education$270%
Companies that paid Dr. Fan the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Wei Fan'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 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (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. Wei Fan
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. Wei Fan's NPI number?
Dr. Wei Fan's NPI number is 1013273606. It was assigned on April 8, 2012, and it is active in the NPI Registry.
What kind of doctor is Dr. Wei Fan?
Dr. Wei Fan is an internist in Rockville, Maryland. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Wei Fan practice?
Dr. Fan practices at 2401 Research Blvd Ste 370, Rockville, MD 20850-3269. Dr. Fan's primary practice is Potomac Advanced Medical Care in Rockville, Maryland. Dmand AI also links Dr. Fan to 1 home health agency.
What is Dr. Wei Fan's office phone number?
The practice phone on file for Dr. Fan is (240) 690-4114.
What is Dr. Wei Fan's medical license number?
Dr. Fan holds Maryland license D0078938.
Which hospitals is Dr. Wei Fan affiliated with?
Dr. Fan is affiliated with Adventist HealthCare Shady Grove Medical Center.
Does Dr. Wei Fan accept Medicare?
Yes. CMS data shows Dr. Fan billed Medicare for 5,455 services in 2024, and Dr. Fan accepts Medicare assignment.
Does Dr. Wei Fan offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Fan as offering telehealth services.
What is Dr. Wei Fan's MIPS score?
Dr. Fan's MIPS final score for performance year 2024 is 95 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. Wei Fan see?
CMS counts 539 Medicare patients who saw Dr. Fan in 2024, with an average age of 77.
Show 6 more questionsShow fewer questions
What services does Dr. Wei Fan bill to Medicare?
In 2024, Dr. Fan's most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and medicare service (G2211).
What drugs does Dr. Wei Fan prescribe most?
In 2024 Medicare Part D data, Dr. Fan's most prescribed drugs by claims were Amlodipine Besylate, Atorvastatin Calcium and Losartan Potassium.
Has Dr. Wei Fan received payments from drug or device companies?
CMS Open Payments shows $7,714 in general payments to Dr. Fan from 33 companies from 2016 to 2025. The largest total came from AstraZeneca Pharmaceuticals LP.
How long has Dr. Wei Fan been practicing?
Dr. Fan graduated from medical school in 1985, 41 years ago.
Does Dr. Wei Fan do research?
Dmand AI links 94 publications to Dr. Fan, published from 2010 to 2025.
Who does Dr. Wei Fan publish with?
Dr. Fan's most frequent co-authors are Xiaoling Li, MD (8 shared papers), Andrei D. Sdrulla, MD, PhD (3 shared papers) and Barbara Anne Dennison, MD (2 shared papers).
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