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Edit this profileWhere to find John S. To, MD
- Iron Mountain location main office
1721 S Stephenson Ave, Iron Mountain, MI 49801 - Marshfield location
1000 N Oak Ave, Marshfield, WI 54449
About Dr. To
Based in Iron Mountain, MI, John S. To, MD is listed in the NPI registry under diagnostic radiology. John graduated from University of Southern California Keck School of Medicine in 1991. Medicare claims data shows John provided 1,103 services to 1,062 patients. The services billed most often include screening mammography, screening 3d breast mammography, and x-ray of chest, 1 view. NPI 1346214715 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
- (906) 776-5565
- Email not available
Practice Locations
1721 S STEPHENSON AVE
Iron Mountain, MI 49801
1000 N Oak Ave
Marshfield, WI 54449
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
Abdominal imaging
Biopsies
Bone Density
Breast Imaging
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
1,103 services · 1,062 patients · 18 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Screening mammography | Imaging | 77067 |
271 | As often as other peers in Diagnostic Radiology |
| Screening 3d breast mammography | Imaging | 77063 |
271 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
139 | Less often than most peers in Diagnostic Radiology |
| Dxa bone density measurement of hip, pelvis, spine | Imaging | 77080 |
96 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
93 | As often as other peers in Diagnostic Radiology |
| Ct scan head or brain without contrast | Imaging | 70450 |
27 | Less often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
24 | Less often than most peers in Diagnostic Radiology |
| Ct scan of blood vessels and grafts of heart with contrast | Imaging | 75574 |
16 | Less often than most peers in Diagnostic Radiology |
| X-ray of abdomen, 1 view | Imaging | 74018 |
15 | Less often than most peers in Diagnostic Radiology |
| Limited ultrasound scan of abdomen | Imaging | 76705 |
14 | Less 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.
Other radiologists at this location 4
Same specialty, same street address — most likely the same department or group.
Also at this address 4
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 Iron Mountain 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Southern California Keck School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1991 at University of Southern California Keck School of Medicine 7
Providers who graduated from the same medical school in the same year.
Also performs Screening mammography 8
Providers in MI who bill this service to Medicare most often.
Common questions
What does Dr. To specialize in?
Dr. To is a radiologist in Iron Mountain, MI. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Dr. To located?
Dr. To is listed at 1721 S Stephenson Ave, Iron Mountain, MI 49801. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Dr. To's phone number?
The number on file is (906) 776-5565. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Dr. To?
Dr. To's National Provider Identifier is 1346214715. 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. To go to medical school?
Dr. To attended University of Southern California Keck School of Medicine, graduating in 1991. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. To have?
Dr. To has 35 years experience. Calculated from a graduation year of 1991, reported in the CMS National Downloadable File.
CMS public data
What does Dr. To do most often?
According to Medicare billing data, Dr. To performs imaging including screening mammography and screening 3d breast mammography; provides treatments such as ultrasound of both sides of head and neck blood flow and ultrasound study of one arm or leg veins with compression and maneuvers. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. To's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. To. If this is you, claiming it is free.
Guide.md
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