Mary Grier
NPI 1508522814 · Critical Care Pediatric Nurse Practitioner · New York, NY
Mary Grier is a Critical Care Pediatric Nurse Practitioner provider in New York, NY (NPI 1508522814).
Provider details
- NPI number
- 1508522814
- Entity type
- Individual
- Primary specialty
- Critical Care Pediatric Nurse PractitionerPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Female
- Sole proprietor
- No
- License
- 202112346 (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
4 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
- 2021-11-10
- Last updated
- 2021-11-10
- Certified
- 2021-11-10
Frequently asked questions
- What is Mary Grier's NPI number?
- Mary Grier's National Provider Identifier (NPI) is 1508522814, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grier's specialty?
- Mary Grier is listed in the NPPES registry with a primary specialty of Critical Care Pediatric Nurse Practitioner (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Grier located?
- Mary Grier's practice location on file with NPPES is 18 Saint Marks Pl Apt 12, New York, NY 10003-8043.
- What is Mary Grier's phone number?
- The practice phone number listed in the NPPES registry for Mary Grier is (815) 355-5131.
- Is Mary Grier's NPI active?
- Yes — Mary Grier's NPI (1508522814) is active in the NPPES registry as of the last update on 2021-11-10.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.