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

Dennis Richard Murphy

Individual provider Internal Medicine Physician · NPI 1679561930

Dennis Richard Murphy practises Internal Medicine in Washington, District of Columbia. Graduated from Georgetown University School of Medicine in 1983, 43 years ago. Practices with Mgmc LLC, a 318-clinician group, accepts Medicare assignment and offers telehealth. Licensed in District of Columbia.

Years since qualifying
43
Trained at
Georgetown University School of Medicine
Licensed in
DC
In the registry since
2005
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Practice location Address checks out

3800 Reservoir Rd NW
Washington, DC 20007-2113 Not confirmed with CMS for 14 years — call before visiting
Phone: (202) 444-8168
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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 33289 (DC)

Record details

NPI number1679561930
Entity typeIndividual (Type 1)
GenderMale
Sole proprietorNo
NPI enumeratedOctober 11, 2005
Last updated in NPPESMarch 14, 2012

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolGEORGETOWN UNIVERSITY SCHOOL OF MEDICINE
Graduated 1983 (43 years in practice)
Group practice Mgmc Llc — 318 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients355
Services billed 1,080 a service is one billed item, such as a visit, a test or a procedure
Average patient age74

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician.

Colleagues at Mgmc LLC

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 318 clinicians in the practice; 12 are shown here.

Other providers in Washington