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

Christopher Michael Diefenbach, MD

Individual provider Orthopaedic Foot and Ankle Surgery Physician · NPI 1437440070

Christopher Michael Diefenbach, MD is an Orthopedic Surgery in Flagstaff, Arizona. Graduated from New York University School of Medicine in 2011, 15 years ago. Practices with Custom Physical Therapy Limited Partnership, a 81-clinician group, works from 2 locations and accepts Medicare assignment. Licensed in Arizona.

Years since qualifying
15
Trained at
New York University School of Medicine
Licensed in
AZ
In the registry since
2011
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

107 E Oak Ave
Flagstaff, AZ 86001
Phone: (928) 779-7880
Fax: (928) 913-8801
Show map & directions

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

Additional practice locations (1)

  • 1485 N Turquoise Dr Ste 200, Flagstaff, AZ 86001-2000 — (928) 774-7757

Specialties & licences

Orthopaedic Foot and Ankle Surgery Physician (primary) Taxonomy 207XX0004X · Licence 53879 (AZ)
Orthopaedic Surgery Physician Taxonomy 207X00000X · Licence 53879 (AZ)

Record details

NPI number1437440070
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 1, 2011
Last updated in NPPESJuly 21, 2022
Mailing address1200 N Beaver St, Flagstaff, AZ 86001-3118

Medicare enrollment

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

Medicare specialtyORTHOPEDIC SURGERY
Medical schoolNEW YORK UNIVERSITY SCHOOL OF MEDICINE
Graduated 2011 (15 years in practice)
Group practice Custom Physical Therapy Limited Partnership — 81 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations3 on file with Medicare