Jeffrey Hammerman, MD
NPI 1952450140 · Psychiatry Physician · Melville, NY
Jeffrey Hammerman, MD is a Psychiatry Physician provider in Melville, NY (NPI 1952450140).
Provider details
- NPI number
- 1952450140
- Entity type
- Individual
- Primary specialty
- Psychiatry PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 103855 (NY)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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 · 9 distinct drugs on file.
| Drug | Part D claims (2024) |
|---|---|
| Citalopram Hydrobromidebrand: Citalopram Hbr | 23 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphet Er | 19 |
| Alprazolam | 15 |
| Escitalopram Oxalate | 15 |
| Fluoxetine Hcl | 15 |
| Guanfacine Hclbrand: Guanfacine Hcl Er | 14 |
| Lorazepam | 14 |
| Bupropion Hclbrand: Bupropion Xl |
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-01-09
- Last updated
- 2025-09-11
Frequently asked questions
- What is Jeffrey Hammerman's NPI number?
- Jeffrey Hammerman's National Provider Identifier (NPI) is 1952450140, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jeffrey Hammerman's specialty?
- Jeffrey Hammerman is listed in the NPPES registry with a primary specialty of Psychiatry Physician (Allopathic & Osteopathic Physicians).
- Where is Jeffrey Hammerman located?
- Jeffrey Hammerman's practice location on file with NPPES is 40 Cottontail Road, Melville, NY 11747-2319.
- What is Jeffrey Hammerman's phone number?
- The practice phone number listed in the NPPES registry for Jeffrey Hammerman is (631) 367-3128.
- Is Jeffrey Hammerman's NPI active?
- Yes — Jeffrey Hammerman's NPI (1952450140) is active in the NPPES registry as of the last update on 2025-09-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.