Colleen Wallace Mckay, M.D.
NPI 1255627469 · Pediatrics Physician · Washington, DC
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Colleen Wallace Mckay, M.D. is a Pediatrics Physician provider in Washington, DC (NPI 1255627469).
Provider details
- NPI number
- 1255627469
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- Yes
- License
- MD500003331 (DC)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
14 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
- 2011-06-26
- Last updated
- 2026-05-07
- Certified
- 2026-05-07
Frequently asked questions
- What is Colleen Wallace Mckay's NPI number?
- Colleen Wallace Mckay's National Provider Identifier (NPI) is 1255627469, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Colleen Wallace Mckay's specialty?
- Colleen Wallace Mckay is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Colleen Wallace Mckay located?
- Colleen Wallace Mckay's practice location on file with NPPES is 2041 Georgia Ave Nw, Washington, DC 20060-0002.
- What is Colleen Wallace Mckay's phone number?
- The practice phone number listed in the NPPES registry for Colleen Wallace Mckay is (202) 865-6100.
- Does Colleen Wallace Mckay accept Medicare?
- Colleen Wallace Mckay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Colleen Wallace Mckay's NPI active?
- Yes — Colleen Wallace Mckay's NPI (1255627469) is active in the NPPES registry as of the last update on 2026-05-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.