Dr. Robert William Demuth
Dr. Robert W. Demuth
Last updated: Dec 18, 2025

Dr. Robert W. Demuth

  • Gender: Male
  • Experience: 21 years
  • Graduated from: Texas Tech University Health Science Center School Of Medicine
  • Graduation year: 2000
  • Sole propriator: No
  • NPI: 1447307897

Dr. Robert W. Demuth MD

Internist

He is located at 200 Hawkins Drive in Iowa City, IA 52242. Can help patients with the following: Arthritis, Atherosclerosis, Constipation, Obesity, Osteoporosis, Prescription Refill. His National Provider Identifier (NPI) number is 1447307897. Appointment can be made via the phone number (319) 356-4019. He is affiliated with 4 practices and 2 hospitals.

Conditions treated

Dr. Robert William Demuth, being an internist, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. Robert W. Demuth.

  • Abdominal Pain
  • Acute Pain
  • Anemia
  • Arthritis
  • Asthma
  • Atherosclerosis
  • Bladder Control
  • Chest Pain
  • Cholecystitis
  • Chronic Obstructive Pulmonary Disease (COPD)
  • Common Cold
  • Constipation
  • Cystitis
  • Diarrhea
  • Edema
  • Fever
  • Gastroesophageal Reflux Disease (GERD)
  • General Care
  • Headache
  • Heart Disease
  • Hiatal Hernia
  • High Blood Pressure
  • Hot Flashes
  • Hyperlipidemia
  • Hyponatremia
  • Influenza
  • Inguinal Hernia
  • Migraine
  • Nausea and Vomiting
  • Obesity
  • Osteoporosis
  • Peptic Ulcer
  • Prescription Refill
  • Urethritis
  • Urinary Tract Infection (UTI)

ACA Marketplace (Obamacare/HealthCare.gov) plan networks

Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Robert W. Demuth as in-network for the following 2026 plans.

Health plans

Medica

Network data as of Dec 22, 2025, as reported by the insurer.

Show all 18 plans from Medica
Medica plans
Plan Plan type Network tier New patients
Medica Insure Bronze $0 Copay PCP Visits EPO · Expanded Bronze Preferredtier Accepting new patients
Medica Insure Bronze $0 Copay PCP Visits EPO · Expanded Bronze Standardtier Accepting new patients
Medica Insure Bronze Share EPO · Expanded Bronze Preferredtier Accepting new patients
Medica Insure Bronze Share EPO · Expanded Bronze Standardtier Accepting new patients
Medica Insure Expanded Bronze Standard EPO · Expanded Bronze Preferredtier Accepting new patients
Medica Insure Expanded Bronze Standard EPO · Expanded Bronze Standardtier Accepting new patients
Medica Insure Gold $0 Copay PCP Visits EPO · Gold Preferredtier Accepting new patients
Medica Insure Gold $0 Copay PCP Visits EPO · Gold Standardtier Accepting new patients
Medica Insure Gold Share EPO · Gold Preferredtier Accepting new patients
Medica Insure Gold Share EPO · Gold Standardtier Accepting new patients
Medica Insure Gold Standard EPO · Gold Preferredtier Accepting new patients
Medica Insure Gold Standard EPO · Gold Standardtier Accepting new patients
Medica Insure Silver $0 Copay PCP Visits EPO · Silver Preferredtier Accepting new patients
Medica Insure Silver $0 Copay PCP Visits EPO · Silver Standardtier Accepting new patients
Medica Insure Silver Share EPO · Silver Preferredtier Accepting new patients
Medica Insure Silver Share EPO · Silver Standardtier Accepting new patients
Medica Insure Silver Standard EPO · Silver Preferredtier Accepting new patients
Medica Insure Silver Standard EPO · Silver Standardtier Accepting new patients

Oscar Insurance Company

Network data as of Sep 15, 2026, as reported by the insurer.

Show all 10 plans from Oscar Insurance Company
Oscar Insurance Company plans
Plan Plan type Network tier New patients
Bronze Classic 4700 EPO · Expanded Bronze Preferred Accepting new patients
Bronze Classic Standard EPO · Expanded Bronze Preferred Accepting new patients
Bronze Elite + PCP Saver Plus EPO · Expanded Bronze Preferred Accepting new patients
Gold Classic Standard EPO · Gold Preferred Accepting new patients
Gold Elite EPO · Gold Preferred Accepting new patients
Secure EPO · Catastrophic Preferred Accepting new patients
Silver Classic EPO · Silver Preferred Accepting new patients
Silver Classic Standard EPO · Silver Preferred Accepting new patients
Silver Simple Diabetes EPO · Silver Preferred Accepting new patients
Silver Simple PCP Saver EPO · Silver Preferred Accepting new patients

Wellmark Health Plan of Iowa, Inc.

Network data as of Sep 8, 2026, as reported by the insurer.

Show all 10 plans from Wellmark Health Plan of Iowa, Inc.
Wellmark Health Plan of Iowa, Inc. plans
Plan Plan type Network tier New patients
Wellmark Bronze HDHP HMO HSA Qualified HMO · Expanded Bronze Wellmark Blue HMO Network Accepting new patients at some locations
Wellmark Bronze Standard | UnityPoint Health HMO · Expanded Bronze Wellmark Blue HMO Unitypoint Health Network Accepting new patients
Wellmark Bronze Traditional HMO HMO · Expanded Bronze Wellmark Blue HMO Network Accepting new patients at some locations
Wellmark Gold Primary Care | UnityPoint Health HMO · Gold Wellmark Blue HMO Unitypoint Health Network Accepting new patients
Wellmark Gold Traditional HMO HMO · Gold Wellmark Blue HMO Network Accepting new patients at some locations
Wellmark Silver Primary Care | UnityPoint Health HMO · Silver Wellmark Blue HMO Unitypoint Health Network Accepting new patients
Wellmark Silver Traditional HMO HMO · Silver Wellmark Blue HMO Network Accepting new patients at some locations
Wellmark Standard Bronze HMO HMO · Expanded Bronze Wellmark Blue HMO Network Accepting new patients at some locations
Wellmark Standard Gold HMO HMO · Gold Wellmark Blue HMO Network Accepting new patients at some locations
Wellmark Standard Silver HMO HMO · Silver Wellmark Blue HMO Network Accepting new patients at some locations

This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. Robert W. Demuth is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.

Insurance information looks wrong? Let us know

Medicare Enrollment

Dr. Robert W. Demuth is enrolled to bill Medicare as a Practitioner - Hospitalist (also registered under: Practitioner - Internal Medicine) .

Bills through: State University Of Iowa

Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.

Payments received

Drug payment

Sanofi $55
E.R. Squibb \u0026 Sons $49
Pfizer $44

Other

Food and Beverage $179

Studies

TEXAS TECH UNIVERSITY HEALTH SCIENCE CENTER SCHOOL OF MEDICINE

Graduated in 2000

Affiliated practices

Unitypoint Clinic
8101 Birchwood Court
Johnston, 50131 IA
(515) 471-9300
BSA Urgent Care Clinic
4510 Bell Street
Amarillo, 79109 TX
(806) 212-4835
Consultants in Radiation Oncology PA
1500 Wallace Boulevard
Amarillo, 79106 TX
(806) 354-5880
Hereford Regional Medical Center
540 West 15th Street
Hereford, 79045 TX
(806) 364-2141

Affiliated hospitals

IOWA METHODIST MEDICAL CENTER
1200 PLEASANT STREET
DES MOINES, 50309 IA
(515) 241-6212
GREATER REGIONAL MEDICAL CENTER
1700 WEST TOWNLINE STREET
CRESTON, 50801 IA
(641) 782-7091

Looking for more Internists?

Out of the 656 internists in this region, here are 10 randomly selected ones for you to explore.

Dr. Kantima Phisitkul
  • Gender: Female
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Ravjyot Chawla
  • Gender: Female
  • Address: 620 North Main Street Suite 2B Harrison, 72601, AR
Dr. Desire T. Gijima
  • Gender: Male
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Scott A. Vogelgesang
  • Gender: Male
  • Address: University of Iowa Hospitals & Clinics 200 Hawkins Drive Iowa City, 52242, IA
Dr. Douglas Richard Labrecque
  • Gender: Male
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Bradley S. Dixon
  • Gender: Male
  • Address: 555 West Forest Meadows Street Suite 18 Flagstaff, 86001, AZ
Dr. Patrick G. Hartley
  • Gender: Male
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Vickie Diamandakis Pyevich
  • Gender: Female
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Hashim Sultan Chaudhry
  • Gender: Male
  • Address: 200 Hawkins Drive Iowa City, 52242, IA
Dr. Jonathan Michael Nizar
  • Gender: Male
  • Address: 200 Hawkins Drive Iowa City, 52242, IA

Questions & Answers

Where can you meet with Dr. Robert William Demuth?

Dr. Robert William Demuth's office is located at 200 Hawkins Drive in Iowa City, IA 52242.

Has Dr. Robert William Demuth affiliation with hospitals?

Dr. Robert William Demuth is affiliated with IOWA METHODIST MEDICAL CENTER. For the full list of hospitals see this list.

What conditions does Dr. Robert William Demuth treat?

Dr. Robert William Demuth provides treatment for Arthritis, Atherosclerosis, Constipation, Obesity, Osteoporosis, Prescription Refill. For the full list see this list.

Does Dr. Robert William Demuth accept patients with Oscar Insurance Company?

Yes, Dr. Robert William Demuth is listed in-network for Oscar Insurance Company through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.

Does Dr. Robert William Demuth have affiliation with practices?

Dr. Robert William Demuth is affiliated with Unitypoint Clinic. For the full list of practices see this list.