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Edit this profileAt a glance
- 810 Whipple St, Prescott, AZ 86301
About Dr. Olthoff
Based in Prescott, AZ, Timothy D. Olthoff, DO is listed in the NPI registry under diagnostic radiology. Timothy graduated from Midwestern University, Chicago College of Osteopathic Med in 1999. Medicare claims data shows Timothy provided 6,365 services to 6,028 patients. The services billed most often include x-ray of chest, 1 view, screening mammography, and screening 3d breast mammography. NPI 1225019425 identifies this record in the national registry.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (928) 771-7577
- Email not available
Practice Locations
810 WHIPPLE ST
Prescott, AZ 86301
Conditions Evaluated or Diagnosed
Within Diagnostic Radiology generally. Availability varies by clinician, training and location — this profile has not been claimed, so nothing here is a personal claim by the provider.
Conditions
Abdomen & Pelvis
- Abdominal Pain
- Appendicitis
- Diverticulitis
- Enlarged prostate
- Gallstones
- Kidney stones
- Liver Lesions
- Ovarian cysts
Bone & Joint
- Ankle Sprain or Fracture
- Bone fractures
- Heel pain
- Hip osteoarthritis
- Osteoporosis
- Rotator cuff tear
- Torn meniscus
Brain & Head
- Brain aneurysm
- Brain tumor
- Concussion in Children
- Migraines
- Sinus infection
- Transient ischemic attack
Brain & nerves
Breast
Chest & Heart
General
Heart & blood vessels
Joint & bone
Liver & digestion
Lungs & breathing
Men's health
Neck & Thyroid
Nerve pain
Pelvic health
Spine
Spine & back
Vascular
Women's health
Procedures & services
Breast Imaging
Abdominal imaging
Biopsies
Bone Density
CT Scan
Digestive & liver
Fluoroscopy
General imaging
Heart & blood vessels
Joint & bone
MRI
Nuclear Medicine
Pelvic imaging
Screening & Prevention
Spine & back
Ultrasound
- Abdominal Ultrasound
- Carotid Ultrasound
- Leg Vein Ultrasound
- Pelvic ultrasound
- Scrotal Ultrasound
- Thyroid ultrasound
- Ultrasound
Urinary & kidney
Women's health
X-Ray
Procedures Most Often Billed to Medicare
6,365 services · 6,028 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| X-ray of chest, 1 view | Imaging | 71045 |
830 | More often than most peers in Diagnostic Radiology |
| Screening mammography | Imaging | 77067 |
764 | More often than most peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
746 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
512 | More than most peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
432 | More often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
431 | More often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of joint or other extremity structure except blood vessels | Imaging | 76882 |
294 | More than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
288 | More than most peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
221 | More often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels of chest with contrast | Imaging | 71275 |
164 | More often than most peers in Diagnostic Radiology |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Also at this address 1
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other radiologists in Prescott 8
Same specialty, same city.
Trained at Midwestern University, Chicago College of Osteopathic Med 8
Other providers in the same specialty who trained at the same institution.
More connections — 16 related providers in 2 groups
Class of 1999 at Midwestern University, Chicago College of Osteopathic Med 8
Providers who graduated from the same medical school in the same year.
Also performs X-ray of chest, 1 view 8
Providers in AZ who bill this service to Medicare most often.
Common questions
What does Dr. Olthoff specialize in?
Dr. Olthoff is a radiologist in Prescott, AZ. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Dr. Olthoff located?
Dr. Olthoff is listed at 810 Whipple St, Prescott, AZ 86301. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. Olthoff's phone number?
The number on file is (928) 771-7577. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. Olthoff?
Dr. Olthoff's National Provider Identifier is 1225019425. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Olthoff go to medical school?
Dr. Olthoff attended Midwestern University, Chicago College of Osteopathic Med, graduating in 1999. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Olthoff have?
Dr. Olthoff has 27 years experience. Calculated from a graduation year of 1999, reported in the CMS National Downloadable File.
CMS public data
What does Dr. Olthoff do most often?
According to Medicare billing data, Dr. Olthoff performs imaging including x-ray of chest, 1 view and screening mammography; provides treatments such as ultrasound of both sides of head and neck blood flow. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Olthoff's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Olthoff. If this is you, claiming it is free.
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