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

John David Six, MD

Individual provider Family Medicine Physician · NPI 1750332342

John David Six, MD is a Family Practice in Claysville, Pennsylvania. Graduated from Jefferson Medical College of Thomas Jefferson University in 2003, 23 years ago. Practices with UPMC Washington, a 20-clinician group and accepts Medicare assignment. Licensed in Pennsylvania.

Years since qualifying
23
Trained at
Jefferson Medical College of Thomas Jefferson University
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

1263 Route 40 W
Claysville, PA 15323-1277
Phone: (724) 663-9018
Fax: (724) 663-9022
Show map & directions

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

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence MD428275 (PA)

Record details

NPI number1750332342
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 16, 2006
Last updated in NPPESJuly 8, 2007
Mailing address1263 Route 40 W, Po Box N, Claysville, PA 15323-1277

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyFAMILY PRACTICE
Medical schoolJEFFERSON MEDICAL COLLEGE OF THOMAS JEFFERSON UNIVERSITY
Graduated 2003 (23 years in practice)
Group practice Upmc Washington — 20 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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