Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Dr. Mark Delman, MD

Individual provider Infectious Disease Physician · NPI 1932345931

Dr. Mark Delman, MD is registered under Infectious Disease in Annandale, Virginia. Graduated from George Washington University School of Medicine in 2010, 16 years ago. Practices with Infectious Diseases Physicians, Inc, a 13-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Virginia.

Years since qualifying
16
Trained at
George Washington University School of Medicine
Licensed in
VA
In the registry since
2008
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

3289 Woodburn Rd Ste 200
Annandale, VA 22003-6800 Not confirmed with CMS for 10 years — call before visiting
Phone: (703) 560-7900
Fax: (703) 560-8408
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence 0101241961 (VA)

Record details

NPI number1932345931
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedDecember 21, 2008
Last updated in NPPESMay 9, 2016

Medicare enrollment

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

Medicare specialtyINFECTIOUS DISEASE
Medical schoolGEORGE WASHINGTON UNIVERSITY SCHOOL OF MEDICINE
Graduated 2010 (16 years in practice)
Group practice Infectious Diseases Physicians, Inc. — 13 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations2 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 patients727
Services billed 7,947 a service is one billed item, such as a visit, a test or a procedure
Average patient age76

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 Infectious Diseases Physicians, Inc

Clinicians the CMS Doctors & Clinicians file lists under the same group practice.

Other providers in Annandale