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

Individual provider Orthopaedic Surgery Physician · NPI 1639284813

Greg S Keller, MD is an Orthopedic Surgery in Prescott, Arizona. Graduated from Pennsylvania State University College of Medicine in 1994, 32 years ago. Practices with Lewis County General Hospital, a 38-clinician group, works from 3 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
32
Trained at
Pennsylvania State University College of Medicine
Licensed in
AZ
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

3195 Stillwater Dr Ste D
Prescott, AZ 86305-7171
Phone: (928) 708-4545
Fax: (928) 708-4544
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 1001 Willow Creek Rd, Suite 1300, Prescott, AZ 86301 — (928) 708-4554
  • 3262 N Windsong Dr Ste B, Prescott Valley, AZ 86314-2255 — (928) 708-4545

Specialties & licences

Orthopaedic Surgery Physician (primary) Taxonomy 207X00000X · Licence 31711 (AZ)

Record details

NPI number1639284813
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedAugust 20, 2006
Last updated in NPPESDecember 1, 2021
Certification dateNovember 19, 2021
Mailing addressPo Box 10880, Prescott, AZ 86304-0880

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolPENNSYLVANIA STATE UNIVERSITY COLLEGE OF MEDICINE
Graduated 1994 (32 years in practice)
Group practice Lewis County General Hospital — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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