Data from the NPPES registry. May not reflect recent changes — verify at nppes.cms.hhs.gov.

DR. DENNIS SAGER, M.D.

Active Sole Proprietor

DR. DENNIS SAGER, M.D. is a Internal Medicine healthcare provider located in RESTON, Virginia. NPI 1336142777 is currently active in the NPPES registry. Verify at CMS.

Internal Medicine · RESTON, VA

Registration Details

NPI Number: 1336142777
Provider Type: Individual
Gender: Male
NPI Issued: May 31, 2005 (21.173324420781 yrs)
Last Updated: Feb 8, 2026
License: 0101033182 (VA)
Sole Proprietor: Yes

Practice Information

Address: 1800 TOWN CENTER DR

STE 313

RESTON, VA, 201903200
Browse VA providers · Browse ZIP 20190
Phone: 7034715340
Fax: 7034376177
Primary Specialty: Internal Medicine
207R00000X

Other Internal Medicine Providers in RESTON, VA

Name	Credential	NPI
FARAH ZESHAN ABDULSALAM	MD	1417952367
DR. JOHN P MAMANA	M.D.	1487654554
DR. ANNE ROSE NAVARRO EAPEN	M.D.	1689661431
SAMUEL MARK SHOR	M.D.	1184611964
NATASHA L CHEN	MD	1174514012
DR. KAVITA SHANTANU NAMJOSHI	MD	1508840380

Data sourced from the NPPES National Provider Identifier registry. This information is for informational purposes only and is not a substitute for verifying credentials with the appropriate licensing authority. For official verification, use the NPPES NPI Registry or the relevant state medical board.