Hong Yu Daisy Wen, M.D.
Internal Medicine Physician · Williamsville, NY
Hong Yu Daisy Wen, M.D. is an internal medicine physician with a practice address in Williamsville, New York, and NPI 1205867546, issued on Jul 5, 2006. Check the license (New York 251943, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Hong Yu Daisy Wen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 251943 NY
Self-reported in NPPES; status is on the state search - Practice location
- 325essjay RD, Williamsville, NY 14221
- Phone
- (716) 630-1182
- Enumerated
- Jul 5, 2006
- Record last updated
- Dec 14, 2021 (not updated in 5 years: call before relying on the address or phone)
- Fax
- (716) 250-5982
- Medicaid ID
- 02273187 NY
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Hong Yu Daisy Wen 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 251943Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3% fewer Medicare Part D claims than the average internal medicine physician in 2024
3,085 Medicare Part D claims for 301 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 49 claims were for opioids.
Most prescribed
- Atorvastatin Calcium316 claims
- Amlodipine Besylate237 claims
- Levothyroxine Sodium194 claims
- Lisinopril120 claims
- Metformin Hcl104 claims
- Losartan Potassium94 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.
Hong Yu Daisy Wen among 12,067 internal medicine physician records in New York
Hong Yu Daisy Wen, M.D. is one of 12,067 internal medicine physician records with a practice address in New York. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 53% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 60% of these records are
- Record last updated2021 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
64 internal medicine physician records list a practice address in Williamsville
They are 64 of the 3,530 NPPES records with a practice address in Williamsville, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Williamsville → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- George Burnett, MDWilliamsville, NY 142211679559934
- Jeffrey Burnett, DOWilliamsville, NY 142211346226271
- Lynn Cieslak, M.D.Williamsville, NY 142211518951011
- Peter Elkin, M.D.Williamsville, NY 142211568432656
- Shuman Hua, M.D.Williamsville, NY 142211245219229
- Bonnie McMichael, M.D.Williamsville, NY 142211881692267
- Larisa Meras, M.D.Buffalo, NY 142211962474262
- Margaret Mitchell, M.D.Williamsville, NY 142211477551331
Common questions
What is Hong Yu Daisy Wen, M.D.'s NPI number?
Hong Yu Daisy Wen, M.D.'s National Provider Identifier (NPI) is 1205867546, issued on Jul 5, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hong Yu Daisy Wen, M.D. located?
The NPPES record lists a practice address at 325essjay RD, Williamsville, NY, 14221. Phone: (716) 630-1182. Providers update this record themselves, so call before visiting.
How can I verify Hong Yu Daisy Wen, M.D.'s license?
NPPES lists New York license number 251943, 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 Hong Yu Daisy Wen, M.D. prescribe under Medicare Part D?
In 2024, Hong Yu Daisy Wen, M.D. had 3,085 Medicare Part D claims for 301 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.