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MR. WILLIAM R FREDERICK MD
NPI 1932124682
Internal Medicine in Washington, DC

Active since July 13, 2006
106 IRVING ST NW, SUITE 304, WASHINGTON, DC 20010(202) 291-6423(202) 291-0691 Get Directions Write a Review

NPPES record last updated: December 26, 2007. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Mr. William R Frederick Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. WILLIAM R FREDERICK MD (NPI 1932124682) is an individual internal medicine provider in Washington, District Of Columbia, licensed in District Of Columbia (4502) and active in the NPI registry since July 2006.

NPPES Registry Identity

NPI1932124682
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameMR. WILLIAM R FREDERICKCredential: MD
Location Address106 IRVING ST NW, SUITE 304Washington, DC 20010-2993
Mailing Address106 Irving St Nw, Suite 304Washington, DC 20010-2993 · (202) 291-6423 · Fax (202) 291-0691
Phone(202) 291-6423
Fax(202) 291-0691
Sole ProprietorYes
Enumeration DateJuly 13, 2006
Last NPPES UpdateDecember 26, 2007
✔ NPI 1932124682 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses✔ Licensed in DC · 4502✔ Licensed in VA · 0101051734✔ Licensed in MD · D0007970
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
106 IRVING ST NW, Washington, DC 20010
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Other Identifiers 5

Medicare UPINC88650
Other6235DC · Blue Cross Blue Shield
Medicare PIN408644W87DC
Other413758MD · Carefirst Bc Bs Of Md
Medicaid02214300DC

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. RUMANA KAZMI M.D.
Pediatrics
106 IRVING ST NW, 306
WASHINGTON, DC 20010
District of Columbia (202) 291-2900
RUI LU
Internal Medicine (Endocrinology, Diabetes & Metabolism)
106 IRVING ST NW, SUITE 411 SOUTH
WASHINGTON, DC 20010
District of Columbia (202) 877-7080
MARIAH COVINGTON
Psychologist (Clinical Child & Adolescent)
106 IRVING ST NW
WASHINGTON, DC 20010
District of Columbia (202) 863-2282
MARGARET L MONTGOMERY CNM
Midwife
106 IRVING ST NW, SUITE 4700 NORTH
WASHINGTON, DC 20010
District of Columbia (202) 877-7479
DR. MARIE DRAOUI MD
Obstetrics & Gynecology
106 IRVING ST NW, SUITE 4400 NORTH
WASHINGTON, DC 20010
District of Columbia (202) 877-6933
MRS. LESLEY KATHRYN SANDERS PSYCHOLOGIST
Psychologist (Clinical)
106 IRVING ST NW, SUITE 2300
WASHINGTON, DC 20010
District of Columbia (301) 367-4827
SUSAN L LAESSIG MD
Internal Medicine (Gastroenterology)
106 IRVING ST NW, STE 205
WASHINGTON, DC 20010
District of Columbia (202) 829-0170
DR. MARTIN P KOLSKY M.D.
Ophthalmology
106 IRVING ST NW, SUITE 321
WASHINGTON, DC 20010
District of Columbia (202) 882-0200

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Frederick's NPI number?

The NPI number for William Frederick is 1932124682. It was assigned to this individual provider in the NPPES registry on July 13, 2006.

Where is William Frederick located?

William Frederick practices at 106 Irving St NW Suite 304, Washington, DC 20010. The listed phone number is (202) 291-6423.

What is William Frederick's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

When was this NPI record last updated?

The NPPES record for William Frederick was last updated on December 26, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.