Wing O. Tsang, M.D.
Internal Medicine Physician · New York, NY
Wing O. Tsang, M.D. is an internal medicine physician with a practice address in New York, New York, and NPI 1215027776, issued on Oct 13, 2006. Check the license (New York 178855, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Wing O. Tsang
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 178855 NY
Self-reported in NPPES; status is on the state search - Practice location
- 109 Lafayette St, New York, NY 10013
- Phone
- (212) 219-7797
- Enumerated
- Oct 13, 2006
- Record last updated
- Mar 21, 2008 (not updated in 18 years: call before relying on the address or phone)
- Fax
- (212) 219-7796
- Medicaid ID
- 01415801 NY
- Medicare enrollment
- Enrolled (PECOS I20041027001320); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 1988
- Entity
- Type 1 · individual
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Verify Wing O. Tsang 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 178855Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
43% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,801 Medicare Part D claims for 176 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 6% of claims. 22 claims were for opioids.
Most prescribed
- Amlodipine Besylate118 claims
- Atorvastatin Calcium102 claims
- Simvastatin89 claims
- Metformin Hcl79 claims
- Metoprolol Succinate77 claims
- Glipizide Er62 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.
Wing O. Tsang among 12,067 internal medicine physician records in New York
Wing O. Tsang, 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 fileYes · 60% of these records are
- Graduated1988 · median 2002 among the 7,221 with a school on file
- Record last updated2008 · 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).
2,434 internal medicine physician records list a practice address in New York
They are 2,434 of the 98,468 NPPES records with a practice address in New York, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in New York → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Douglas Chen, D.O.New York, NY 100131033107529
- George Hall, MDNew York, NY 100131639171143
- Helang Kravitz, M.D.New York, NY 100131134118706
- Terry Lam, M.D.New York, NY 100131659371078
- Catherine Lee, MDNew York, NY 100131245223049
- Billy Li, M.D.New York, NY 100131659368223
- Fei-Lien Liong, MDNew York, NY 100131457323727
- Jeffrey Low, MDNew York, NY 100131972586881
Common questions
What is Wing O. Tsang, M.D.'s NPI number?
Wing O. Tsang, M.D.'s National Provider Identifier (NPI) is 1215027776, issued on Oct 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Wing O. Tsang, M.D. located?
The NPPES record lists a practice address at 109 Lafayette St, New York, NY, 10013. Phone: (212) 219-7797. Providers update this record themselves, so call before visiting.
How can I verify Wing O. Tsang, M.D.'s license?
NPPES lists New York license number 178855, 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 Wing O. Tsang, M.D. prescribe under Medicare Part D?
In 2024, Wing O. Tsang, M.D. had 1,801 Medicare Part D claims for 176 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.