Mary Grinstead, MD
NPI 1548955792 · Pediatrics Physician · Pittsburgh, PA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Grinstead, MD is a Pediatrics Physician provider in Pittsburgh, PA (NPI 1548955792).
Provider details
- NPI number
- 1548955792
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- 4351051221 (MI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
3 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
- 2023-04-05
- Last updated
- 2026-04-27
- Certified
- 2026-04-27
Frequently asked questions
- What is Mary Grinstead's NPI number?
- Mary Grinstead's National Provider Identifier (NPI) is 1548955792, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Grinstead's specialty?
- Mary Grinstead is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Mary Grinstead located?
- Mary Grinstead's practice location on file with NPPES is 4401 Penn Ave Fl 1, Pittsburgh, PA 15224-1334.
- What is Mary Grinstead's phone number?
- The practice phone number listed in the NPPES registry for Mary Grinstead is (412) 692-5325.
- Does Mary Grinstead accept Medicare?
- Mary Grinstead is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Grinstead's NPI active?
- Yes — Mary Grinstead's NPI (1548955792) is active in the NPPES registry as of the last update on 2026-04-27.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.