Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Rosemary M Altemus, MD

Radiation Oncology Physician in Reston, VA · enumerated 2006.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1083687156

Verified

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Registry record

Entity type Individual (Type 1)

Name Rosemary M Altemus

Credential MD

Sex Female

Practice address 1850 Town Center Parkway, Reston, VA, 20190

Phone (703) 689-9330

Fax (703) 689-9334

Enumeration date Feb 9, 2006

Last updated in NPPES May 1, 2008

Taxonomy & licenses

2085R0001X Radiation Oncology Physician Allopathic & Osteopathic Physicians · License 0101234426 (VA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier	Type	State	Issuer
466264	Other	-	ANTHEM BCBS
50730002	Other	-	CAREFIRST
010020352	Medicaid	VA	-
6396775001	Other	-	CIGNA
2114467	Other	-	MAMSI
3288786	Other	-	AETNA
4336556	Other	-	AETNA

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is the NPI number for Rosemary Altemus?

The National Provider Identifier (NPI) for Rosemary Altemus is 1083687156, a Type 1 (individual) record in the CMS NPPES registry.

Where does Rosemary Altemus practice?

The practice location on file with NPPES is in Reston, VA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Paul Domson Anesthesiology Physician · Reston, VA NPI 1346228178 Sandra Eaddy Certified Registered Nurse Anesthetist · Reston, VA NPI 1851379671 Robert Massey Anesthesiology Physician · Reston, VA NPI 1851370738 Tra Bui Anesthesiology Physician · Reston, VA NPI 1932188828 Susan Wilkinson Certified Registered Nurse Anesthetist · Reston, VA NPI 1861471492 Kelly Pashke Certified Registered Nurse Anesthetist · Reston, VA NPI 1275513400 Susan Feyock Certified Registered Nurse Anesthetist · Reston, VA NPI 1891775011 Pam Diffley Registered Nurse · Reston, VA NPI 1760456339

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2008-05-01.