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

Dr. Gregory K. Penniston, DC

Individual provider Chiropractor · NPI 1356453047

Dr. Gregory K. Penniston, DC is a Chiropractic in Tucson, Arizona. Qualified in 1980, 46 years ago. Accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
46
Licensed in
AZ
In the registry since
2006
What do these letters mean?
DC — Doctor of Chiropractic
A licensed chiropractor.

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Practice location Address checks out

6563 E 22nd St
Tucson, AZ 85710-5106
Phone: (520) 745-8101
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Chiropractor (primary) Taxonomy 111N00000X · Licence 3199 (AZ)

Record details

NPI number1356453047
Entity typeIndividual (Type 1)
GenderMale
Credentials DC
Sole proprietorNo
NPI enumeratedAugust 31, 2006
Last updated in NPPESJuly 8, 2007
Mailing address6563 E. 22nd Street, Tucson, AZ 85710

Medicare enrollment

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

Medicare specialtyCHIROPRACTIC
Medical schoolOTHER
Graduated 1980 (46 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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