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

Timothy D Olthoff, DO

Individual provider Diagnostic Radiology Physician · NPI 1225019425

Timothy D Olthoff, DO is a Diagnostic Radiology in Prescott, Arizona. Graduated from Midwestern University, Chicago College of Osteopathic Med in 1999, 27 years ago. Practices with Prescott Radiologists LLP, a 12-clinician group and accepts Medicare assignment. Licensed in Arizona and Indiana.

Years since qualifying
27
Trained at
Midwestern University, Chicago College of Osteopathic Med
Licensed in
AZ, IN
In the registry since
2005
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

810 Whipple St
Prescott, AZ 86301-1606
Phone: (928) 771-7577
Fax: (928) 458-2080
Show map & directions

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 006190 (AZ)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 02002900 (IN)

Record details

NPI number1225019425
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedNovember 7, 2005
Last updated in NPPESJuly 21, 2022
Mailing address10835 N 25th Ave, Ste 240, Phoenix, AZ 85029-3458

Medicare enrollment

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

Medicare specialtyDIAGNOSTIC RADIOLOGY
Medical schoolMIDWESTERN UNIVERSITY, CHICAGO COLLEGE OF OSTEOPATHIC MED
Graduated 1999 (27 years in practice)
Group practice Prescott Radiologists Llp — 12 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

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