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

William H. Johnson, MD, PA

Organization Nephrology Physician · NPI 1609865153

William H. Johnson, MD, PA is a Nephrology Physician in Frederick, Maryland. Licensed in Maryland. Registered with an NPI since 2005.

Licensed in
MD
In the registry since
2005
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

140 Thomas Johnson Dr Ste 202
Frederick, MD 21702-4402
Phone: (301) 620-9899
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nephrology Physician (primary) Taxonomy 207RN0300X (MD)

Record details

NPI number1609865153
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official Kristen Michael — Office Manager · (301) 620-9899
Other names Kidney Center Of Frederick/Hagerstown
NPI enumeratedOctober 18, 2005
Last updated in NPPESJuly 21, 2022
Mailing address140 Thomas Johnson Drive, Suite 202, Frederick, MD 21702-4402

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