Mariellen Cain, NNP
NPI 1992357552 · Neonatal Nurse Practitioner · Stony Brook, NY
Enrolled with Medicare as Practitioner - Nurse Practitioner · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mariellen Cain, NNP is a Neonatal Nurse Practitioner provider in Stony Brook, NY (NPI 1992357552).
Provider details
- NPI number
- 1992357552
- Entity type
- Individual
- Primary specialty
- Neonatal Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- NNP
- Sex
- Female
- Sole proprietor
- No
- License
- F350456 (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
6 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
- 2019-07-14
- Last updated
- 2019-07-14
Frequently asked questions
- What is Mariellen Cain's NPI number?
- Mariellen Cain's National Provider Identifier (NPI) is 1992357552, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mariellen Cain's specialty?
- Mariellen Cain is listed in the NPPES registry with a primary specialty of Neonatal Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mariellen Cain located?
- Mariellen Cain's practice location on file with NPPES is 101 Nicolls Rd, Stony Brook, NY 11794-0001.
- What is Mariellen Cain's phone number?
- The practice phone number listed in the NPPES registry for Mariellen Cain is (631) 444-2001.
- Does Mariellen Cain accept Medicare?
- Mariellen Cain is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mariellen Cain's NPI active?
- Yes — Mariellen Cain's NPI (1992357552) is active in the NPPES registry as of the last update on 2019-07-14.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.