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

Allen J Gilson MD LLC

Organization Geriatric Medicine (Internal Medicine) Physician · NPI 1093011298

Allen J Gilson MD LLC is a Geriatric Medicine (Internal Medicine) Physician in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2011.

Licensed in
MD
In the registry since
2011
What do these letters mean?
LLC — Limited liability company
A form of business registration, not a clinical qualification.

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Practice location Address checks out

6695 Stone Ridge Ct
Frederick, MD 21702-2989
Phone: (301) 662-5836
Fax: (301) 620-9596
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence D0026516 (MD)

Record details

NPI number1093011298
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Allen Gilson — Physician · (301) 662-5836
NPI enumeratedFebruary 4, 2011
Last updated in NPPESFebruary 4, 2011
Mailing address6695 Stone Ridge Ct, Frederick, MD 21702-2989

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