Henry Jiann Cherng Yan, MD
Internal Medicine Physician · Flushing, NY
Henry Jiann Cherng Yan, MD is an internal medicine physician with a practice address in Flushing, New York, and NPI 1750533428, issued on Oct 14, 2008. Check the license (New York 250203, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Henry Jiann Cherng Yan
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 250203 NY
Self-reported in NPPES; status is on the state search - Practice location
- 41-40 Union Street, Flushing, NY 11355
- Phone
- (718) 886-9098
- Enumerated
- Oct 14, 2008
- Record last updated
- Jun 15, 2017 (not updated in 9 years: call before relying on the address or phone)
- Fax
- (718) 886-2086
- Medicaid ID
- 03079536 NY
- Medicare enrollment
- Enrolled (PECOS I20090319000090); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 12,067 in New York → Look up another NPI →
Verify Henry Jiann Cherng Yan 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 250203Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.8 times the Medicare Part D claims of the average internal medicine physician in 2024
11,997 Medicare Part D claims for 415 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Atorvastatin Calcium681 claims
- Famotidine652 claims
- Metformin Hcl487 claims
- Losartan Potassium412 claims
- Amlodipine Besylate327 claims
- Trazodone Hcl325 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.
Henry Jiann Cherng Yan among 12,067 internal medicine physician records in New York
Henry Jiann Cherng Yan, MD 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 2008, is newer than 56% of them.
- NPI issued2008 · 56% of these records are older, 40% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1984 · median 2002 among the 7,221 with a school on file
- Record last updated2017 · 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).
242 internal medicine physician records list a practice address in Flushing
They are 242 of the 6,354 NPPES records with a practice address in Flushing, and 12,067 internal medicine physician records in New York.
All 12,067 in New York → Every provider in Flushing → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Karen Beekman, MDFlushing, NY 113551245296870
- Min Cai, M.D.Flushing, NY 113551003813676
- Tak Chan, M.D.Flushing, NY 113551265437842
- Vincent Chua, M.D.Flushing, NY 113551841278579
- Jiangping GanFlushing, NY 113551134199920
- Mohinder Gupta, MDFlushing, NY 113551659337285
- Huajun Huang, M.D.Flushing, NY 113551033172143
- Sherman Klein, M.D.Flushing, NY 113551558340992
Common questions
What is Henry Jiann Cherng Yan, MD's NPI number?
Henry Jiann Cherng Yan, MD's National Provider Identifier (NPI) is 1750533428, issued on Oct 14, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Henry Jiann Cherng Yan, MD located?
The NPPES record lists a practice address at 41-40 Union Street, Flushing, NY, 11355. Phone: (718) 886-9098. Providers update this record themselves, so call before visiting.
How can I verify Henry Jiann Cherng Yan, MD's license?
NPPES lists New York license number 250203, 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 Henry Jiann Cherng Yan, MD prescribe under Medicare Part D?
In 2024, Henry Jiann Cherng Yan, MD had 11,997 Medicare Part D claims for 415 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.