Are you Ryan M. Holthaus, M.D.? This profile is yours to edit: update your address, phone, photo and services.
Edit this profileWhere to find Ryan M. Holthaus, M.D.
- Mason City location main office
1010 4Th St Sw, Suite 100, Mason City, IA 50401 - Belmond location
403 1st St SE, Belmond, IA 50421 - Clear Lake location
401 S 17th St, Clear Lake, IA 50428 - Garner location
840 W US Highway 18, Garner, IA 50438 - Clarion location
1316 S Main St, Clarion, IA 50525
About Dr. Holthaus
Based in Mason City, IA, Ryan M. Holthaus, M.D. is listed in the NPI registry under diagnostic radiology. Ryan graduated from University of Iowa, Rj & L Carver College of Medicine in 2001. Medicare claims data shows Ryan provided 1,553 services to 1,424 patients. The services billed most often include x-ray of chest, 1 view, x-ray of chest, 2 views, and ultrasound study of arm and leg arteries. NPI 1609822873 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
- (641) 424-0102
- Email not available
Practice Locations
1010 4TH ST SW SUITE 100
Mason City, IA 50401
403 1st St SE
Belmond, IA 50421
401 S 17th St
Clear Lake, IA 50428
840 W US Highway 18
Garner, IA 50438
1316 S Main St
Clarion, IA 50525
104 S Story St
Boone, IA 50036
2700 1st Ave S
Fort Dodge, IA 50501
1924 Superior St
Webster City, IA 50595
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
1,553 services · 1,424 patients · 25 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Drainage of fluid from abdominal cavity using imaging guidance | Procedure | 49083 |
50 | More often than most peers in Diagnostic Radiology |
| Aspiration of fluid from chest cavity using imaging guidance | Procedure | 32555 |
45 | More often than most peers in Diagnostic Radiology |
| Core needle biopsy of lung or center cavity of chest (mediastinum), accessed through skin | Procedure | 32408 |
32 | More often than most peers in Diagnostic Radiology |
| X-ray of chest, 1 view | Imaging | 71045 |
250 | As often as other peers in Diagnostic Radiology |
| X-ray of chest, 2 views | Imaging | 71046 |
169 | As often as other peers in Diagnostic Radiology |
| Fluoroscopic guidance for insertion or removal of central vein access device | Imaging | 77001 |
66 | More often than most peers in Diagnostic Radiology |
| Ultrasonic guidance for blood vessel access | Imaging | 76937 |
60 | More often than most peers in Diagnostic Radiology |
| Ct scan of abdomen and pelvis with contrast | Imaging | 74177 |
58 | Less often than most peers in Diagnostic Radiology |
| Complete ultrasound scan behind abdominal cavity | Imaging | 76770 |
38 | As often as other peers in Diagnostic Radiology |
| Ct scan of chest without contrast | Imaging | 71250 |
36 | 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 Mason City 4
Same specialty, same city.
More connections — 23 related providers in 3 groups
Trained at University of Iowa, Rj & L Carver College of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2001 at University of Iowa, Rj & L Carver College of Medicine 8
Providers who graduated from the same medical school in the same year.
Also performs Drainage of fluid from abdominal cavity using imaging guidance 7
Providers in IA who bill this service to Medicare most often.
Common questions
What does Ryan M. Holthaus specialize in?
Ryan M. Holthaus is a radiologist in Mason City, IA. That is the designation recorded for this NPI in the federal registry, where it is listed as “Diagnostic Radiology”.
NPI registry
Where is Ryan M. Holthaus located?
Ryan M. Holthaus is listed at 1010 4Th St Sw Suite 100, Mason City, IA 50401. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
What is Ryan M. Holthaus's phone number?
The number on file is (641) 424-0102. Contact the office directly to confirm availability and scheduling.
NPI registry
What is the NPI for Ryan M. Holthaus?
Ryan M. Holthaus's National Provider Identifier is 1609822873. 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 Ryan M. Holthaus train?
Ryan M. Holthaus attended University of Iowa, Rj & L Carver College of Medicine, graduating in 2001. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Ryan M. Holthaus have?
Ryan M. Holthaus has 25 years experience. Calculated from a graduation year of 2001, reported in the CMS National Downloadable File.
CMS public data
What does Ryan M. Holthaus do most often?
According to Medicare billing data, Ryan M. Holthaus performs procedures including drainage of fluid from abdominal cavity using imaging guidance, aspiration of fluid from chest cavity using imaging guidance and core needle biopsy of lung or center cavity of chest , accessed through skin; reads or performs imaging such as x-ray of chest, 1 view and x-ray of chest, 2 views; provides treatments such as ultrasound study of arm and leg arteries 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 Ryan M. Holthaus's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Ryan M. Holthaus. If this is you, claiming it is free.
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