Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Christopher Mullany McMackin, MD

Individual provider Internal Medicine Physician · NPI 1255345096

Dr. Christopher Mullany McMackin, MD is an Internal Medicine in Washington, District of Columbia. Graduated from Medical College of Pennsylvania in 1984, 42 years ago. Practices with Privia Medical Group, LLC, a 1,518-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia.

Years since qualifying
42
Trained at
Medical College of Pennsylvania
Licensed in
DC
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2311 M St NW Ste 302
Washington, DC 20037-1445
Phone: (202) 296-0043
Fax: (202) 296-1306
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 16615 (DC)

Record details

NPI number1255345096
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJuly 28, 2006
Last updated in NPPESOctober 22, 2013

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyINTERNAL MEDICINE
Medical schoolMEDICAL COLLEGE OF PENNSYLVANIA
Graduated 1984 (42 years in practice)
Group practice Privia Medical Group, Llc — 1518 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 on file with Medicare

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