DR. ROBERT WILLIAM DEMUTH (MD) – Hospitalist Physician, NPI 1447307897
Hospitalist Physician
Main info
Doctor Profile
Profile Insights
NPPES metrics only — not quality of care.
414 HOSPITALIST in IA
Provider Addresses for DR. ROBERT WILLIAM DEMUTH (MD)
1515 DELHI ST STE 100
DUBUQUE, IA 520016320
Phone: (563) 557-9111
Fax: (563) 557-5560
Type: Mailing
500 E Market St
Iowa City, IA 522452633
Phone: (319) 339-3551
Fax: (319) 248-7945
Type: Location
701 W Forevergreen Rd
North Liberty, IA 523179848
Phone: (319) 356-4019
Fax: (319) 353-8073
Type: Location
Flor Amarillo, Parroquia Capital Guanarito, Municipio Guanarito, Portuguesa State, Venezuela
AMARILLO, TX 791052533
Phone: (806) 212-6965
Fax: (806) 212-6278
Type: Mailing
Baptist Saint Anthony's Health System, 1600, Wallace Boulevard, Amarillo, Potter County, Texas, 79106, United States
AMARILLO, TX 791061799
Phone: (806) 212-2129
Fax: (806) 212-6278
Type: Location
200 HAWKINS DR
IOWA CITY, IA 522421009
Phone: (319) 356-4019
Fax: (319) 353-8073
Type: Mailing
NPPES updates history
No NPPES updates recorded for this provider.
Prescription Activity
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Open Payments (CMS)
CMS reports 24 Open Payments records for all available years, with a total value of $28,880.
Total Amount is formed as General ($28,880) + Research ($0) + Ownership ($0) = $28,880.
Last reported payment date: 2024-12-18 • Largest payer in this snapshot: CSL Plasma Inc. ($28,880).
Total Amount
$28,880
General + Research + Ownership
Payments
24
Total payment records
General Amount
$28,880
General payments
Research Amount
$0
Research funding
Ownership Amount
$0
Ownership interests
Ownership Count
0
Ownership records
Last Payment Date
2024-12-18
Latest reported date
Top Companies
Largest payers in this snapshot
| Company | Amount |
|---|---|
| CSL Plasma Inc. | $28,880 |
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: 2017-08-15
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 |
|---|---|---|---|---|
| I20170815001683 | I | Hospitalist | 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 |
|---|---|---|---|---|
| 99223 | Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 61 | 60 | $0 |
| 99222 | Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 29 | 29 | $0 |
Insurance plans in this area (ZIP 52001)
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Group practice members
| Name | Specialty | State |
|---|---|---|
| - | IA | |
| - | IA | |
| - | IA | |
| - | CA | |
| O P H T H A L M O L O G Y | IA | |
| - | IA | |
| - | IA | |
| - | IA | |
| - | CA | |
| - | IA |
Reviews
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