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

John Charles Wallendjack, MD

Individual provider Internal Medicine Physician · NPI 1780776377

John Charles Wallendjack, MD is an Internal Medicine Physician in Harrisburg, Pennsylvania. Licensed in Pennsylvania. Registered with an NPI since 2006.

Licensed in
PA
In the registry since
2006
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

3721 Tecport Drive Health America
Harrisburg, PA 17106-7103
Phone: (717) 540-6774
Fax: (717) 671-2459
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence MDO19773E (PA)

Record details

NPI number1780776377
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 29, 2006
Last updated in NPPESJuly 8, 2007
Mailing address127 Hillymede Circle, Harrisburg, PA 17111-4911

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