Marisa Greechan, RN, CPNP
NPI 1356639041 · Pediatric Nurse Practitioner · Brooklyn, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Marisa Greechan, RN, CPNP is a Pediatric Nurse Practitioner provider in Brooklyn, NY (NPI 1356639041).
Provider details
- NPI number
- 1356639041
- Entity type
- Individual
- Primary specialty
- Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, CPNP
- Sex
- Female
- Sole proprietor
- No
- License
- 382189 (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
14 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
- 2011-07-14
- Last updated
- 2023-12-18
- Certified
- 2023-12-18
Frequently asked questions
- What is Marisa Greechan's NPI number?
- Marisa Greechan's National Provider Identifier (NPI) is 1356639041, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Marisa Greechan's specialty?
- Marisa Greechan is listed in the NPPES registry with a primary specialty of Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Marisa Greechan located?
- Marisa Greechan's practice location on file with NPPES is 506 6th Street, Brooklyn, NY 11215.
- What is Marisa Greechan's phone number?
- The practice phone number listed in the NPPES registry for Marisa Greechan is (718) 780-3838.
- Does Marisa Greechan accept Medicare?
- Marisa Greechan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Marisa Greechan's NPI active?
- Yes — Marisa Greechan's NPI (1356639041) is active in the NPPES registry as of the last update on 2023-12-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.