Gerald Hartman, M.D.
NPI 1154338671 · Pediatrics Physician · Port Jefferson Station, NY
Gerald Hartman, M.D. is a Pediatrics Physician provider in Port Jefferson Station, NY (NPI 1154338671).
Provider details
- NPI number
- 1154338671
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- 105508 (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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-08-01
- Last updated
- 2007-07-08
Frequently asked questions
- What is Gerald Hartman's NPI number?
- Gerald Hartman's National Provider Identifier (NPI) is 1154338671, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gerald Hartman's specialty?
- Gerald Hartman is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Gerald Hartman located?
- Gerald Hartman's practice location on file with NPPES is 8 Roosevelt Ave, Port Jefferson Station, NY 11776-3337.
- What is Gerald Hartman's phone number?
- The practice phone number listed in the NPPES registry for Gerald Hartman is (631) 928-5959.
- Is Gerald Hartman's NPI active?
- Yes — Gerald Hartman's NPI (1154338671) 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.