Robert William Demuth, MD
Hospitalist Physician · Iowa City, IA
Robert William Demuth, MD is a hospitalist physician with a practice address in Iowa City, Iowa, and NPI 1447307897, issued on Jan 5, 2007. Check the license (Iowa MD-44144, as entered in NPPES) on the Iowa Board of Medicine; the Medicare figures below come from public CMS files.
- Name
- Robert William Demuth
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License number
- MD-44144 IA
Self-reported in NPPES; status is on the state search - Practice location
- 200 Hawkins Dr, Iowa City, IA 52242
- Phone
- (319) 356-4019
- Enumerated
- Jan 5, 2007
- Record last updated
- Dec 18, 2025
- Fax
- (319) 353-8073
- Medicaid ID
- 186405007 TX
- Medicare enrollment
- Enrolled (PECOS I20170815001683); accepts Medicare assignment
- Medical or professional school
- Texas Tech University Health Science Center School Of Medicine, 2000
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 302 in Iowa → Look up another NPI →
Also registered at 200 Hawkins Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Robert William Demuth in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIowa Board of Medicine
Search for license MD-44144Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average hospitalist physician in 2024
193 Medicare Part D claims for 89 beneficiaries, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D. Brand-name drugs were 12% of claims.
Most prescribed
- Prednisone14 claims
- Cefdinir13 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $14,475.00
12 payments; by number, the most common kind was consulting fee; the largest payer was Csl Plasma Inc. The 7,324 providers of this specialty with any payment received $494.84 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- State University OF IowaIowa City, IA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Robert William Demuth among 302 hospitalist physician records in Iowa
Robert William Demuth, MD is one of 302 hospitalist physician records with a practice address in Iowa. 87% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 14% of them.
- NPI issued2007 · 14% of these records are older, 79% newer
- In a Medicare fileYes · 87% of these records are
- In the CMS Doctors and Clinicians fileYes · 80% of these records are
- Graduated2000 · median 2014 among the 243 with a school on file
- Record last updated2025 · 26% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Iowa practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
104 hospitalist physician records list a practice address in Iowa City
They are 104 of the 7,163 NPPES records with a practice address in Iowa City, and 302 hospitalist physician records in Iowa.
All 302 in Iowa → Every provider in Iowa City → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Mayy Chahla, M.D.Iowa City, IA 522421982722146
- Eugene Chu, MDIowa City, IA 522421396858536
- Brian Daniel, MDIowa City, IA 522421609864271
- Kevin Glenn, MDIowa City, IA 522421972591402
- Katherine Harris, M.D.Iowa City, IA 522421306040472
- Melinda Johnson, MDIowa City, IA 522421497739403
- Nathaniel Justice, MDIowa City, IA 522421366646846
- Anubha Mittal, M.D.Iowa City, IA 522421962611624
Common questions
What is Robert William Demuth, MD's NPI number?
Robert William Demuth, MD's National Provider Identifier (NPI) is 1447307897, issued on Jan 5, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Robert William Demuth, MD located?
The NPPES record lists a practice address at 200 Hawkins Dr, Iowa City, IA, 52242. Phone: (319) 356-4019. Providers update this record themselves, so call before visiting.
How can I verify Robert William Demuth, MD's license?
NPPES lists Iowa license number MD-44144, as entered by the provider. Search the Iowa Board of Medicine at https://dial.iowa.gov/about-dial/boards-and-commissions/medicine. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Robert William Demuth, MD prescribe under Medicare Part D?
In 2024, Robert William Demuth, MD had 193 Medicare Part D claims for 89 beneficiaries; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.