Youyin Choy, M.D.,
Obstetrics & Gynecology Physician · New York, NY
Youyin Choy, M.D., is an obstetrics & gynecology physician with a practice address in New York, New York, and NPI 1891738589, issued on Jun 13, 2006. Check the license (New York 221007, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Youyin Choy
- Credential
- M.D.,
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 221007 NY
Self-reported in NPPES; status is on the state search - Practice location
- 150 E 71St St, New York, NY 10021
- Phone
- (212) 879-4742
- Enumerated
- Jun 13, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 288-2126
- Medicare enrollment
- Enrolled (PECOS I20051102000974); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 3,174 in New York → Look up another NPI →
Also registered at 150 E 71St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- William Priester, M.D.Cardiovascular Disease Physician1174698906
Verify Youyin Choy 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 221007Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
15% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
141 Medicare Part D claims for 60 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims.
Most prescribed
- Estradiol35 claims
- Fluconazole17 claims
- Valacyclovir16 claims
- Yuvafem15 claims
- Clotrimazole-Betamethasone12 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.
Bills Medicare through one group practice
- Icahn School OF Medicine AT Mount SinaiNew York, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Youyin Choy among 3,174 obstetrics & gynecology physician records in New York
Youyin Choy, M.D., is one of 3,174 obstetrics & gynecology physician records with a practice address in New York. 76% 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 9% of them.
- NPI issued2006 · 9% of these records are older, 49% newer
- In a Medicare fileYes · 76% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1997 · median 2002 among the 1,870 with a school on file
- Record last updated2007 · 63% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in New York
There are 3,174 obstetrics & gynecology physician records in New York.
All 3,174 in New York → Every provider in New York → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Nargess Ahgharian, MDNew York, NY 100211447230206
- Anne Carlon, M.D.New York, NY 100211609817758
- Maiquel Carrasco, M.D.New York, NY 100211033186291
- Nathan Fox, M.D.New York, NY 100211225050941
- Amos Grunebaum, MDNew York, NY 100211841243730
- Claudia Holland, MDNew York, NY 100211457326175
- Wenhui Jin, MDNew York, NY 100211881640530
- Jane Kaufman, MDNew York, NY 100211811944887
Common questions
What is Youyin Choy, M.D.,'s NPI number?
Youyin Choy, M.D.,'s National Provider Identifier (NPI) is 1891738589, issued on Jun 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Youyin Choy, M.D., located?
The NPPES record lists a practice address at 150 E 71St St, New York, NY, 10021. Phone: (212) 879-4742. Providers update this record themselves, so call before visiting.
How can I verify Youyin Choy, M.D.,'s license?
NPPES lists New York license number 221007, 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 Youyin Choy, M.D., prescribe under Medicare Part D?
In 2024, Youyin Choy, M.D., had 141 Medicare Part D claims for 60 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.