Maryellen Hammill
NPI 1740879907 · Psychiatric/Mental Health Nurse Practitioner · Breezy Point, NY
Maryellen Hammill is a Psychiatric/Mental Health Nurse Practitioner provider in Breezy Point, NY (NPI 1740879907).
Provider details
- NPI number
- 1740879907
- Entity type
- Individual
- Primary specialty
- Psychiatric/Mental Health Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- Yes
- License
- F403272-01 (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
5 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
- 2021-01-12
- Last updated
- 2021-01-12
- Certified
- 2021-01-12
Frequently asked questions
- What is Maryellen Hammill's NPI number?
- Maryellen Hammill's National Provider Identifier (NPI) is 1740879907, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Maryellen Hammill's specialty?
- Maryellen Hammill is listed in the NPPES registry with a primary specialty of Psychiatric/Mental Health Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Maryellen Hammill located?
- Maryellen Hammill's practice location on file with NPPES is 21 Fulton Walk, Breezy Point, NY 11697-1718.
- What is Maryellen Hammill's phone number?
- The practice phone number listed in the NPPES registry for Maryellen Hammill is (917) 561-1379.
- Is Maryellen Hammill's NPI active?
- Yes — Maryellen Hammill's NPI (1740879907) is active in the NPPES registry as of the last update on 2021-01-12.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.