DR. COLLEEN MICHELLE WALLACE MCKAY M.D.
NPI 1255627469
Pediatrics in Washington, DC

Active since June 26, 2011PECOS Enrolled
2041 GEORGIA AVE NW, WASHINGTON, DC 20060(202) 865-6100 Get Directions Write a Review

NPPES record last updated: May 7, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

Record update history: May 7, 2026, Jun 25, 2018 (2 updates tracked since 2018).

About Dr. Colleen Michelle Wallace Mckay M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. COLLEEN MICHELLE WALLACE MCKAY M.D. (NPI 1255627469) is an individual pediatrics provider in Washington, District Of Columbia, licensed in District Of Columbia (MD500003331) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and is a graduate of Howard University College Of Medicine (2011).

NPPES Registry Identity

NPI1255627469
Entity TypeIndividualFemale
Primary Taxonomy208000000X
Provider Legal NameDR. COLLEEN MICHELLE WALLACE MCKAYCredential: M.D.
Location Address2041 GEORGIA AVE NWWashington, DC 20060-0002
Mailing Address2041 Georgia Ave NwWashington, DC 20060-0002 · (504) 284-8837
Sole ProprietorYes
Medical School CMSHoward University College Of MedicineGraduated 2011
Enumeration DateJune 26, 2011
Last NPPES UpdateMay 7, 20262 updates tracked since enumeration
NPPES CertifiedMay 7, 2026
NPI 1255627469 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

Primary SpecialtyPediatricsAllopathic & Osteopathic Physicians
Taxonomy Code208000000X
Licenses Licensed in DC · MD500003331 Licensed in VA · 0116023955 Licensed in MD · D78050
Definition
A pediatrician is concerned with the physical, emotional and social health of children from birth to young adulthood. Care encompasses a broad spectrum of health services ranging from preventive healthcare to the diagnosis and treatment of acute and chronic diseases. A pediatrician deals with biological, social and environmental influences on the developing child, and with the impact of disease and dysfunction on development.
Also ListedHospitalistTaxonomy 208M00000X · License D78050 (MD)
2041 GEORGIA AVE NW, Washington, DC 20060

Other Names 1

Professional Name (2)Dr. Colleen Wallace M.d.

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Colleen Michelle Wallace Mckay M.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3971801895
PECOS Enrollment IDI20260530000514
Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 20060 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$100.31 typical visit price
range $65.18 – $194.86
Typical copayment $25.07 (range $16.29 – $48.71)
Most-billed visit code 99203
Established Patient
$113.72 typical visit price
range $21.40 – $158.88
Typical copayment $28.43 (range $5.35 – $39.72)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Speech-Language Pathologist
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Ophthalmology
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Dentist (Oral and Maxillofacial Surgery)
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Student in an Organized Health Care Education/Training Program
2041 GEORGIA AVE NW, WASHINGTON, DC
WASHINGTON, DC 20060
Student in an Organized Health Care Education/Training Program
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Student in an Organized Health Care Education/Training Program
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Student in an Organized Health Care Education/Training Program
2041 GEORGIA AVE NW
WASHINGTON, DC 20060
Student in an Organized Health Care Education/Training Program
2041 GEORGIA AVE NW
WASHINGTON, DC 20060

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Colleen Wallace Mckay's NPI number?

The NPI number for Colleen Wallace Mckay is 1255627469. It was assigned to this individual provider in the NPPES registry on June 26, 2011. The provider is also known as Dr. Colleen Wallace M.D..

Where is Colleen Wallace Mckay located?

Colleen Wallace Mckay practices at 2041 Georgia Ave NW, Washington, DC 20060. The listed phone number is (202) 865-6100.

What is Colleen Wallace Mckay's specialty?

The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.

Is Colleen Wallace Mckay enrolled in Medicare?

Yes. Colleen Wallace Mckay is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Colleen Wallace Mckay was last updated on May 7, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.