Melissa Guillaume, MD
NPI 1497913842 · Pediatrics Physician · Brooklyn, NY
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Melissa Guillaume, MD is a Pediatrics Physician provider in Brooklyn, NY (NPI 1497913842).
Provider details
- NPI number
- 1497913842
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 241069 (NY)
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
18 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
- 2008-05-31
- Last updated
- 2013-07-30
Frequently asked questions
- What is Melissa Guillaume's NPI number?
- Melissa Guillaume's National Provider Identifier (NPI) is 1497913842, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Melissa Guillaume's specialty?
- Melissa Guillaume is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Melissa Guillaume located?
- Melissa Guillaume's practice location on file with NPPES is 121 Dekalb Ave, Brooklyn, NY 11201-5425.
- What is Melissa Guillaume's phone number?
- The practice phone number listed in the NPPES registry for Melissa Guillaume is (718) 250-6919.
- Does Melissa Guillaume accept Medicare?
- Melissa Guillaume is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Melissa Guillaume's NPI active?
- Yes — Melissa Guillaume's NPI (1497913842) is active in the NPPES registry as of the last update on 2013-07-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.