Robert A. Grossman, M.D.
Psychiatry Physician · New York, NY
Robert A. Grossman, M.D. is a psychiatry physician with a practice address in New York, New York, and NPI 1225247539, issued on May 22, 2007. Check the license (New York 188218, as entered in NPPES) on the NYS Education Department, Office of the Professions; the Medicare figures below come from public CMS files.
- Name
- Robert A. Grossman
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 188218 NY
Self-reported in NPPES; status is on the state search - Practice location
- 925 Park Ave, New York, NY 10028
- Phone
- (212) 828-9858
- Enumerated
- May 22, 2007
- Record last updated
- Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
- Fax
- (212) 828-9855
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 6,589 in New York → Look up another NPI →
Also registered at 925 Park Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Martina De Giorgis, LCSW, JDClinical Social Worker1952609083
- Ahron Friedberg, MDPsychiatry Physician1083891451
Verify Robert A. Grossman 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 188218Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average psychiatry physician in 2024
437 Medicare Part D claims for 29 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 9% of claims.
Most prescribed
- Venlafaxine Hcl Er38 claims
- Trazodone Hcl34 claims
- Clonazepam30 claims
- Aripiprazole20 claims
- Lithium Carbonate19 claims
- Duloxetine Hcl18 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.
Robert A. Grossman among 6,589 psychiatry physician records in New York
Robert A. Grossman, M.D. 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 2007, is newer than 35% of them.
- NPI issued2007 · 35% of these records are older, 44% 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
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- Carolyn Douglas, M.D.New York, NY 100281609808286
- William Gershell, MDNew York, NY 100281275646002
- Iona Ginsburg, MDNew York, NY 100281396718433
- David Kahn, M.D.New York, NY 100281497774822
- Richard Malen, MDNew York, NY 100281295830784
Common questions
What is Robert A. Grossman, M.D.'s NPI number?
Robert A. Grossman, M.D.'s National Provider Identifier (NPI) is 1225247539, issued on May 22, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert A. Grossman, M.D. located?
The NPPES record lists a practice address at 925 Park Ave, New York, NY, 10028. Phone: (212) 828-9858. Providers update this record themselves, so call before visiting.
How can I verify Robert A. Grossman, M.D.'s license?
NPPES lists New York license number 188218, 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 Robert A. Grossman, M.D. prescribe under Medicare Part D?
In 2024, Robert A. Grossman, M.D. had 437 Medicare Part D claims for 29 beneficiaries; 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.