Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

William O. Miller, MD, PA

Organization Specialist · NPI 1962672972

William O. Miller, MD, PA is a Specialist in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2008.

Licensed in
MD
In the registry since
2008
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

804 Toll House Ave
Frederick, MD 21701-4519
Phone: (301) 695-7000
Fax: (301) 695-7255
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence D0014373 (MD)

Record details

NPI number1962672972
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Miller — Gastroenterologist · (301) 695-7000
NPI enumeratedMarch 5, 2008
Last updated in NPPESMarch 5, 2008
Mailing address804 Toll House Ave, Frederick, MD 21701-4519

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