Gregory Mamlin
NPI 1356212690 · Psychiatric/Mental Health Nurse Practitioner · Brooklyn, NY
Gregory Mamlin is a Psychiatric/Mental Health Nurse Practitioner provider in Brooklyn, NY (NPI 1356212690).
Provider details
- NPI number
- 1356212690
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
- License
- 407324 (NY)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in 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
- 2025-09-17
- Last updated
- 2025-09-17
- Certified
- 2025-09-04
Frequently asked questions
- What is Gregory Mamlin's NPI number?
- Gregory Mamlin's National Provider Identifier (NPI) is 1356212690, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gregory Mamlin's specialty?
- Gregory Mamlin is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Gregory Mamlin located?
- Gregory Mamlin's practice location on file with NPPES is 2590 Ocean Ave Apt 3a, Brooklyn, NY 11229-4507.
- What is Gregory Mamlin's phone number?
- The practice phone number listed in the NPPES registry for Gregory Mamlin is (646) 509-9354.
- Is Gregory Mamlin's NPI active?
- Yes — Gregory Mamlin's NPI (1356212690) is active in the NPPES registry as of the last update on 2025-09-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.