Gillian Grijalva, M.D.
NPI 1649408824 · Pediatrics Physician · Brunswick, ME
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gillian Grijalva, M.D. is a Pediatrics Physician provider in Brunswick, ME (NPI 1649408824).
Provider details
- NPI number
- 1649408824
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- 252563 (MA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
- 2009-06-26
- Last updated
- 2020-09-15
- Certified
- 2020-09-15
Frequently asked questions
- What is Gillian Grijalva's NPI number?
- Gillian Grijalva's National Provider Identifier (NPI) is 1649408824, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gillian Grijalva's specialty?
- Gillian Grijalva is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Gillian Grijalva located?
- Gillian Grijalva's practice location on file with NPPES is 74 Baribeau Dr, Brunswick, ME 04011-3218.
- What is Gillian Grijalva's phone number?
- The practice phone number listed in the NPPES registry for Gillian Grijalva is (207) 798-4050.
- Does Gillian Grijalva accept Medicare?
- Gillian Grijalva is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gillian Grijalva's NPI active?
- Yes — Gillian Grijalva's NPI (1649408824) is active in the NPPES registry as of the last update on 2020-09-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.