1. Home
  2. Directory
  3. Maryland
  4. Frederick
  5. Specialist
  6. NPI Profile

WILLIAM O. MILLER, M.D., P.A.
NPI 1962672972
Specialist in Frederick, MD

Active since March 05, 2008
804 TOLL HOUSE AVE, FREDERICK, MD 21701(301) 695-7000(301) 695-7255 Get Directions Write a Review

NPPES record last updated: March 5, 2008. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About William O. Miller, M.d., P.a. NPPES

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

WILLIAM O. MILLER, M.D., P.A. (NPI 1962672972) is a healthcare organization registered as a specialist in Frederick, Maryland and active in the NPI registry since March 2008. The organization lists William Olney Miller, Gastroenterologist, as its authorized official.

NPPES Registry Identity

NPI1962672972
Entity TypeOrganization
Primary Taxonomy174400000X
Legal Business NameWILLIAM O. MILLER, M.D., P.A.
Location Address804 TOLL HOUSE AVEFrederick, MD 21701-4519
Mailing Address804 Toll House AveFrederick, MD 21701-4519 · (301) 695-7000 · Fax (301) 695-7255
Phone(301) 695-7000
Fax(301) 695-7255
Organization SubpartNo
Authorized OfficialWilliam Olney MillerGastroenterologist · (301) 695-7000
Enumeration DateMarch 5, 2008
✔ NPI 1962672972 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpecialistOther Service Providers
Taxonomy Code174400000X
License✔ Licensed in MD · D0014373
Definition
An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.
804 TOLL HOUSE AVE, Frederick, MD 21701
Open in Google Maps ↗

Other Identifiers 1

Medicare UPIND73773MD

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Other Providers at the Same Location NPPES 3

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

DR. MOUSTAFA SAID AHMED M.D.
Internal Medicine (Gastroenterology)
804 TOLL HOUSE AVE
FREDERICK, MD 21701
Frederick County (301) 695-7000
DIGESTIVE DISEASE SOLUTIONS, LLC
Specialist
804 TOLL HOUSE AVE
FREDERICK, MD 21701
Frederick County (301) 695-7000
LISA A COLLINS CRNP
Nurse Practitioner (Adult Health)
804 TOLL HOUSE AVE
FREDERICK, MD 21701
Frederick County (301) 695-7000

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 O. Miller, M.D., P.A.'s NPI number?

The NPI number for William O. Miller, M.D., P.A. is 1962672972. It was assigned to this organization in the NPPES registry on March 5, 2008.

Where is William O. Miller, M.D., P.A. located?

William O. Miller, M.D., P.A. is located at 804 Toll House Ave, Frederick, MD 21701. The listed phone number is (301) 695-7000.

What is William O. Miller, M.D., P.A.'s specialty?

The primary specialty registered for this NPI is Specialist with taxonomy code 174400000X.

When was this NPI record last updated?

The NPPES record for William O. Miller, M.D., P.A. was last updated on March 5, 2008. 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.