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

Clark Timothy Johnson, MD

Individual provider Obstetrics & Gynecology Physician · NPI 1497989305

Clark Timothy Johnson, MD is an Obstetrics & Gynecology Physician in Harrisburg, Pennsylvania. Works from 2 locations. Licensed in Maryland and Pennsylvania.

Licensed in
MD, PA
In the registry since
2009
Specialties on file
3
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

100 S 2nd St Ste 4B
Harrisburg, PA 17101-2546
Phone: (717) 231-8472
Fax: (717) 231-8490
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 600 N Wolfe Street Phipps 279, Baltimore, MD 21287-0001 — (410) 955-6710

Specialties & licences

Maternal & Fetal Medicine Physician (primary) Taxonomy 207VM0101X · Licence MD490154 (PA)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence D76370 (MD)
Obstetrics & Gynecology Physician Taxonomy 207V00000X · Licence MD490154 (PA)

Record details

NPI number1497989305
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 6, 2009
Last updated in NPPESJuly 7, 2025
Certification dateJuly 7, 2025
Mailing address100 S 2nd St Ste 4b, Harrisburg, PA 17101-2546

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