Mariel Marrano, RN, FNP
NPI 1881975597 · Family Nurse Practitioner · New York, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariel Marrano, RN, FNP is a Family Nurse Practitioner provider in New York, NY (NPI 1881975597).
Provider details
- NPI number
- 1881975597
- Entity type
- Individual
- Primary specialty
- Family Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- RN, FNP
- Sex
- Female
- Sole proprietor
- Yes
- License
- 336330 (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
- 2011-09-08
- Last updated
- 2011-09-08
Frequently asked questions
- What is Mariel Marrano's NPI number?
- Mariel Marrano's National Provider Identifier (NPI) is 1881975597, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariel Marrano's specialty?
- Mariel Marrano is listed in the NPPES registry with a primary specialty of Family Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariel Marrano located?
- Mariel Marrano's practice location on file with NPPES is 1275 York Ave, New York, NY 10065-6007.
- What is Mariel Marrano's phone number?
- The practice phone number listed in the NPPES registry for Mariel Marrano is (212) 639-2000.
- Does Mariel Marrano accept Medicare?
- Mariel Marrano is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariel Marrano's NPI active?
- Yes — Mariel Marrano's NPI (1881975597) is active in the NPPES registry as of the last update on 2011-09-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.