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

Dr. Thomas E Maslen, MD

Individual provider Internal Medicine Physician · NPI 1699742791

Dr. Thomas E Maslen, MD is an Internal Medicine in Greenbelt, Maryland. Graduated from University of Maryland School of Medicine in 1997, 29 years ago. Practices with Privia Care Center LLC, a 287-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Maryland.

Years since qualifying
29
Trained at
University of Maryland School of Medicine
Licensed in
MD
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Claim this listing Report a problem Suggest an edit

Practice location Address checks out

7525 Greenway Center Dr Ste 316
Greenbelt, MD 20770-3509
Phone: (301) 220-0200
Fax: (301) 345-6956
Show map & directions

Directions in Google Maps · Apple Maps · OpenStreetMap

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence D55559 (MD)

Record details

NPI number1699742791
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 7, 2006
Last updated in NPPESJuly 13, 2026
Mailing address7525 Greenway Center Dr, Suite 316, Greenbelt, MD 20770-3509

Medicare enrollment

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

Medicare specialtyINTERNAL MEDICINE
Medical schoolUNIVERSITY OF MARYLAND SCHOOL OF MEDICINE
Graduated 1997 (29 years in practice)
Group practice Privia Care Center Llc — 287 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Other providers in Greenbelt