William Weilun Fang
Family Medicine Physician · Brooklyn, NY
William Weilun Fang is a family medicine physician with a practice address in Brooklyn, New York, and NPI 1174109185, issued on Mar 20, 2021. Check the license (New York 327124, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Weilun Fang
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 327124 NY
Self-reported in NPPES; status is on the state search - Practice location
- 300 Cadman Plz W FL 17, Brooklyn, NY 11201
- Phone
- (929) 210-6000
- Enumerated
- Mar 20, 2021
- Record last updated
- Jun 25, 2024
- Medicare enrollment
- Enrolled (PECOS I20241107003108); accepts Medicare assignment
- Medical or professional school
- University Of Nevada, Las Vegas School Of Medicine, 2021
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 6,417 in New York → Look up another NPI →
Also registered at 300 Cadman Plz W FL 17
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Weilun Fang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersNYS Education Department, Office of the Professions
Search for license 327124Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average family medicine physician in 2024
215 Medicare Part D claims for 54 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.
Most prescribed
- Amlodipine Besylate25 claims
- Atorvastatin Calcium22 claims
- Losartan Potassium19 claims
- Metformin Hcl11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $149.29
2 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiBrooklyn, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Weilun Fang among 6,417 family medicine physician records in New York
William Weilun Fang is one of 6,417 family medicine physician records with a practice address in New York. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 90% of them.
- NPI issued2021 · 90% of these records are older, 7% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2021 · median 2007 among the 4,188 with a school on file
- Record last updated2024 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
500 family medicine physician records list a practice address in Brooklyn
They are 500 of the 64,057 NPPES records with a practice address in Brooklyn, and 6,417 family medicine physician records in New York.
All 6,417 in New York → Every provider in Brooklyn → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Naganna Channaveeraiah, M.D, MBA, CPEBrooklyn, NY 112011801983390
- Anne Crenesse, MDBrooklyn, NY 112011306807144
- Maritza De La Rosa, M.D.Brooklyn, NY 112011245314392
- Marie Eloi-Stiven, MDBrooklyn, NY 112011326146010
- Barbara Haralson, MDBrooklyn, NY 112011245302702
- Mohammed Khan, MDBrooklyn, NY 112011205804051
- Samantha Lam, D.OBrooklyn, NY 112011306931779
- Fong Lee, MDBrooklyn, NY 112011265496434
Common questions
What is William Weilun Fang's NPI number?
William Weilun Fang's National Provider Identifier (NPI) is 1174109185, issued on Mar 20, 2021. An NPI identifies a provider in billing; it is not a license.
Where is William Weilun Fang located?
The NPPES record lists a practice address at 300 Cadman Plz W FL 17, Brooklyn, NY, 11201. Phone: (929) 210-6000. Providers update this record themselves, so call before visiting.
How can I verify William Weilun Fang's license?
NPPES lists New York license number 327124, as entered by the provider. Search the NYS Education Department, Office of the Professions at https://www.op.nysed.gov/services/verifications/online-verification-searches. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Weilun Fang prescribe under Medicare Part D?
In 2024, William Weilun Fang had 215 Medicare Part D claims for 54 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.