RYAN MICHAEL HOLTHAUS (M.D.) – Diagnostic Radiology Physician, NPI 1609822873
Diagnostic Radiology Physician
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NPPES metrics only — not quality of care.
434 DIAGNOSTIC RADIOLOGY in IA
Provider Addresses for RYAN MICHAEL HOLTHAUS (M.D.)
104 S Story St
Boone, IA 500364737
Phone: (844) 474-4321
Fax: (515) 432-2895
Type: Location
2700 1st Ave S
Fort Dodge, IA 505014300
Phone: (844) 474-4321
Fax: (515) 576-8581
Type: Location
1924 Superior St
Webster City, IA 505953146
Phone: (844) 474-4321
Fax: (515) 832-1114
Type: Location
401 S 17th St
Clear Lake, IA 504282304
Phone: (844) 474-4321
Fax: (515) 832-1400
Type: Location
840 W US Highway 18
Garner, IA 504381023
Phone: (844) 474-4321
Fax: (641) 925-1507
Type: Location
1316 S Main St
Clarion, IA 505252019
Phone: (444) 744-3218
Fax: (515) 532-3119
Type: Location
403 1st St SE
Belmond, IA 504211201
Phone: (844) 474-4321
Fax: (641) 444-5554
Type: Location
6th Street Southwest, Mason City, Cerro Gordo County, Iowa, 50401, United States
MASON CITY, IA 504014818
Phone: (641) 424-0102
Fax: (641) 424-8059
Type: Mailing
1010, 4th Street Southwest, Mason City, Cerro Gordo County, Iowa, 50401, United States
SUITE 100
MASON CITY, IA 504012857
Phone: (641) 424-0102
Fax: (641) 424-8059
Type: Location
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 2 Open Payments records for all available years, with a total value of $33.
Total Amount is formed as General ($33) + Research ($0) + Ownership ($0) = $33.
Last reported payment date: 2023-04-19 • Largest payer in this snapshot: Boston Scientific Corporation ($17).
Total Amount
$33
General + Research + Ownership
Payments
2
Total payment records
General Amount
$33
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2023-04-19
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| Boston Scientific Corporation | $17 |
| Terumo Medical Corporation | $16 |
Medicare Enrollment & Revalidation
Source: CMS public data · Not endorsed by CMS ·
Educational use only—not medical, billing, or legal advice.
PECOS enrollment status
Participating (accepts Medicare assignment)
Enrollment effective: 2007-01-12
PECOS data refreshed: 2026-05-27
Medicare revalidation (CMS due date list)
Due date not assigned yet
CMS is tracking this Medicare enrollment for revalidation, but has not published a due date.
Enrollment records
1
Earliest due date
Not assigned (TBD)
CMS data updated
2026-06-01
Revalidation progress
- Medicare enrolled
- On CMS revalidation list
- Due date assigned
- Revalidate in PECOS
CMS enrollment records
| Enrollment ID | Type | Specialty | State | Due date |
|---|---|---|---|---|
| I20070112000449 | I | Diagnostic Radiology | IA | TBD |
What to do next
- No action required while the due date shows TBD.
- Check the CMS Revalidation Lookup Tool periodically — CMS updates the list about every 60 days.
- Do not submit a revalidation application in PECOS until CMS publishes a concrete due date.
Prepare CMS-855 application → · Look up this NPI in PECOS → · Verify on CMS PECOS
Medicare Utilization (FFS)
Source: CMS public data · Not endorsed by CMS · Beneficiary counts under 11 are suppressed in source data ·
Educational use only—not medical, billing, or legal advice.
Top Medicare procedures (2023) · refreshed 2026-05-27
| HCPCS | Description | Services | Beneficiaries | Medicare allowed |
|---|---|---|---|---|
| 71045 | X-ray of chest, 1 view | 239 | 218 | $0 |
| 71046 | X-ray of chest, 2 views | 150 | 147 | $0 |
| 93922 | Ultrasound study of arm and leg arteries | 106 | 97 | $0 |
| 93925 | Ultrasound of leg arteries or artery grafts | 97 | 91 | $0 |
| 93971 | Ultrasound study of one arm or leg veins with compression and maneuvers | 87 | 79 | $0 |
Insurance plans in this area (ZIP 50036)
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Provider's Procedures
| Specialty | Practice State | HCPCS Code | Description | Service Count | Beneficiary Count |
|---|---|---|---|---|---|
| DIAGNOSTIC RADIOLOGY | IA | 20610 | Aspiration and/or injection of large joint or joint capsule | 22 | 21 |
| DIAGNOSTIC RADIOLOGY | IA | 71010 | X-ray of chest, 1 view, front | 144 | 102 |
| DIAGNOSTIC RADIOLOGY | IA | 74177 | CT scan of abdomen and pelvis with contrast | 26 | 26 |
| DIAGNOSTIC RADIOLOGY | IA | 76942 | Ultrasonic guidance imaging supervision and interpretation for insertion of needle | 46 | 44 |
| DIAGNOSTIC RADIOLOGY | IA | 93926 | Ultrasound study of arteries and arterial grafts of one leg or limited | 75 | 64 |
| DIAGNOSTIC RADIOLOGY | IA | 93971 | Ultrasound scan of veins of one arm or leg or limited including assessment of compression and functional maneuvers | 91 | 77 |
Group practice members
| Name | Specialty | State |
|---|---|---|
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IL | |
| Diagnostic Radiology | IA | |
| - | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IA | |
| Diagnostic Radiology | IN |
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