William Jay Gershell, MD
Psychiatry Physician · New York, NY
William Jay Gershell, MD is a psychiatry physician with a practice address in New York, New York, and NPI 1275646002, issued on Aug 16, 2006. Check the license (New York NYS103335, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- William Jay Gershell
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- NYS103335 NY
Self-reported in NPPES; status is on the state search - Practice location
- 1100 Madison Ave, New York, NY 10028
- Phone
- (212) 737-9300
- Enumerated
- Aug 16, 2006
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Verify William Jay Gershell 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 NYS103335Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average psychiatry physician in 2024
14 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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.
William Jay Gershell among 6,589 psychiatry physician records in New York
William Jay Gershell, MD is one of 6,589 psychiatry physician records with a practice address in New York. 72% 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 3% of them.
- NPI issued2006 · 3% of these records are older, 65% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 39% of these records are
- Record last updated2007 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a New York practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,604 psychiatry physician records list a practice address in New York
They are 2,604 of the 98,468 NPPES records with a practice address in New York, and 6,589 psychiatry physician records in New York.
All 6,589 in New York → Every provider in New York → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Brian Aslami, M.D.New York, NY 100281528173994
- Samuel Basch, MDNew York, NY 100281356453716
- Jeffrey BenezraNyc, NY 100281104835834
- Carolyn Douglas, M.D.New York, NY 100281609808286
- Iona Ginsburg, MDNew York, NY 100281396718433
- David Kahn, M.D.New York, NY 100281497774822
- Richard Malen, MDNew York, NY 100281295830784
- Ilona Mirecki, M.D.New York, NY 100281336257468
Common questions
What is William Jay Gershell, MD's NPI number?
William Jay Gershell, MD's National Provider Identifier (NPI) is 1275646002, issued on Aug 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Jay Gershell, MD located?
The NPPES record lists a practice address at 1100 Madison Ave, New York, NY, 10028. Phone: (212) 737-9300. Providers update this record themselves, so call before visiting.
How can I verify William Jay Gershell, MD's license?
NPPES lists New York license number NYS103335, 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 Jay Gershell, MD prescribe under Medicare Part D?
In 2024, William Jay Gershell, MD had 14 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.