DR. WILLIAM RUSSELL BYRNE M.D.
NPI 1841356953
Internal Medicine in Frederick, MD

Active since January 01, 2007
19 W 3RD ST, FREDERICK, MD 21701(301) 620-0280 Get Directions Write a Review

NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. William Russell Byrne M.d. NPPES

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

DR. WILLIAM RUSSELL BYRNE M.D. (NPI 1841356953) is an individual internal medicine provider in Frederick, Maryland, licensed in Maryland (D0057818) and active in the NPI registry since January 2007.

NPPES Registry Identity

NPI1841356953
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameDR. WILLIAM RUSSELL BYRNECredential: M.D.
Location Address19 W 3RD STFrederick, MD 21701-5330
Mailing Address19 W 3rd StFrederick, MD 21701-5330 · (301) 620-0280
Sole ProprietorNo
Enumeration DateJanuary 1, 2007
Last NPPES UpdateJuly 8, 2007
NPI 1841356953 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Licenses Licensed in MD · D0057818 Licensed in VA · 0101040260 Licensed in CA · GFE57956 Licensed in PA · MD428951
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.
19 W 3RD ST, Frederick, MD 21701

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 Byrne's NPI number?

The NPI number for William Byrne is 1841356953. It was assigned to this individual provider in the NPPES registry on January 1, 2007.

Where is William Byrne located?

William Byrne practices at 19 W 3rd St, Frederick, MD 21701. The listed phone number is (301) 620-0280.

What is William Byrne'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 Byrne was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.