Robert Grossman, M.D.
NPI 1225247539 · Psychiatry Physician · New York, NY
Robert Grossman, M.D. is a Psychiatry Physician provider in New York, NY (NPI 1225247539).
Provider details
- NPI number
- 1225247539
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 188218 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 15 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Venlafaxine Hclbrand: Venlafaxine Hcl Er | 38 |
| Trazodone Hcl | 34 |
| Clonazepam | 30 |
| Aripiprazole | 20 |
| Lithium Carbonate | 19 |
| Escitalopram Oxalate | 18 |
| Duloxetine Hcl | 18 |
| Lamotrigine | 15 |
| Bupropion Hclbrand: Bupropion Xl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-05-22
- Last updated
- 2007-07-08
Frequently asked questions
- What is Robert Grossman's NPI number?
- Robert Grossman's National Provider Identifier (NPI) is 1225247539, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Grossman's specialty?
- Robert Grossman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Grossman located?
- Robert Grossman's practice location on file with NPPES is 925 Park Ave, New York, NY 10028-0210.
- What is Robert Grossman's phone number?
- The practice phone number listed in the NPPES registry for Robert Grossman is (212) 828-9858.
- Is Robert Grossman's NPI active?
- Yes — Robert Grossman's NPI (1225247539) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.