DR. ROBERT WILLIAM DEMUTH MD
NPI 1447307897
Hospitalist in Iowa City, IA

Q: What is Robert Demuth's NPI number?

The NPI number for Robert Demuth is 1447307897. It was assigned to this individual provider in the NPPES registry on January 5, 2007.

Q: What is Robert Demuth's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Robert Demuth was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.

Active since January 05, 2007PECOS EnrolledAccepts Medicare Assignment

200 HAWKINS DR, IOWA CITY, IA 52242(319) 356-4019(319) 353-8073 Get Directions Write a Review

NPPES record last updated: December 18, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Dec 18, 2025, Nov 12, 2025, Jan 24, 2023 and 1 more (4 updates tracked since 2016).

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About Dr. Robert William Demuth Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. ROBERT WILLIAM DEMUTH MD (NPI 1447307897) is an individual hospitalist provider in Iowa City, Iowa, licensed in Iowa (MD-44144) and active in the NPI registry since January 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Iowa Health Care Medical Center Down, and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1447307897

Entity TypeIndividualMale

Primary Taxonomy208M00000X

Provider Legal NameDR. ROBERT WILLIAM DEMUTHCredential: MD

Location Address200 HAWKINS DRIowa City, IA 52242-1009

Mailing Address200 Hawkins DrIowa City, IA 52242-1009 · (319) 356-4019 · Fax (319) 353-8073

Phone(319) 356-4019

Fax(319) 353-8073

Sole ProprietorNo

Medical School CMSTexas Tech University Health Science Center School Of MedicineGraduated 2000

Enumeration DateJanuary 5, 2007

Last NPPES UpdateDecember 18, 20254 updates tracked since enumeration

NPPES CertifiedDecember 18, 2025

✔ NPI 1447307897 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in IA · MD-44144

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedInternal MedicineTaxonomy 207R00000X · License MD-44144 (IA)

200 HAWKINS DR, Iowa City, IA 52242

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Secondary Practice Locations 2

Location 1701 W Forevergreen RdNorth Liberty, IA 52317-9848 · Phone (319) 356-4019 · Fax (319) 353-8073

Location 2500 E Market StIowa City, IA 52245-2633 · Phone (319) 339-3551 · Fax (319) 248-7945

Other Identifiers 1

Medicaid186405007TX

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross and Blue Shield of Texas, Harbor Health, Oscar Insurance Company and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Robert William Demuth Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID1658463146

PECOS Enrollment IDI20170815001683

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignments

Medicare enrollment records show Robert Demuth reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

State University Of Iowa

Same address

Dentist

200 HAWKINS DRIVE, 51300 POMERANTZ FAMILY PAVILION
Iowa City, IA 52242

Reassigned Medicare billing, Iowa enrollment
2,190 clinicians in this Medicare group

NPI 1114905387 (319) 356-2743

Lonestar Hospital Medicine Associates, PA

697 mi

Hospitalist

2700 E BROAD ST
Mansfield, TX 76063

Reassigned Medicare billing, Texas enrollment
994 clinicians in this Medicare group

NPI 1518237429 (682) 622-2000

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 5

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes 99232

Follow-up hospital inpatient care involves daily check-ups while you're admitted in the hospital. Typically, a healthcare provider spends about 25 minutes each day reviewing your condition, adjusting treatment if needed, and answering any questions you might have.

155 services71 patients

Hospital discharge day management, more than 30 minutes 99239

Hospital discharge day management over 30 minutes involves a detailed process to ensure a smooth transition from hospital to home. It includes final examinations, discussion of your hospital stay, post-discharge instructions, and coordinating follow-up care.

79 services75 patients

Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 99233

Follow-up hospital inpatient care per day typically involves a 35-minute check-up by your healthcare provider. This service includes monitoring your health progress, adjusting your treatment plan if needed, and answering any questions you may have about your condition or care.

49 services26 patients

Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 99222

Initial hospital inpatient care is a service where a healthcare provider spends about 50 minutes per day overseeing your care while you're admitted in the hospital. This includes reviewing your health status, planning your treatment, and ensuring your safety and comfort.

34 services34 patients

Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes 99223

Initial hospital inpatient care per day, typically 70 minutes, refers to the daily medical service provided to patients admitted to the hospital. This includes a comprehensive evaluation, diagnosis, treatment plan, and monitoring of your health condition. It ensures your well-being during your hospital stay.

27 services26 patients

Hospital Affiliations CMS Care Compare 3

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

University Of Iowa Health Care Medical Center Down

Acute Care Hospitals · Iowa City, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Church

CMS Certification Number160029

Location500 E Market StreetIowa City, IA 52245 · Johnson County

Emergency services Birthing friendly

Genesis Medical Center-Davenport

Acute Care Hospitals · Davenport, IA

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number160033

Location1227 East Rusholme StreetDavenport, IA 52803 · Scott County

Emergency services Birthing friendly

University Of Iowa Hospital & Clinics

Acute Care Hospitals · Iowa City, IA

3/5 CMS rating

OwnershipGovernment - State

CMS Certification Number160058

Location200 Hawkins DriveIowa City, IA 52242 · Johnson County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 52242 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$122.23 typical visit price

range $52.96 – $161.40

Typical copayment $30.55 (range $13.24 – $40.35)

Most-billed visit code 99204

Established Patient

$94.05 typical visit price

range $16.91 – $131.98

Typical copayment $23.51 (range $4.22 – $32.99)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

SANGIL LEE M.D.

Emergency Medicine

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2233

RAMI G. EL ABIAD M.D.

Internal Medicine (Gastroenterology)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-4901

GRERK SUTAMTEWAGUL MD

Internal Medicine (Hematology & Oncology)

200 HAWKINS DR, DEPT OF INTERNAL MEDICINE
IOWA CITY, IA 52242

Johnson County (319) 356-1616

DR. KALEB TANNER VEIT D.O.

Internal Medicine (Critical Care Medicine)

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 356-2320

OMAR JABER M.D

Chronic Disease Hospital

200 HAWKINS DR
IOWA CITY, IA 52242

Johnson County (319) 471-8958

JENNIFER MANCUSO MS, CGC

Genetic Counselor, MS

200 HAWKINS DR, 31663 PFP
IOWA CITY, IA 52242

Johnson County (319) 384-7983

ASHLEY KAISER M.D.

Obstetrics & Gynecology

200 HAWKINS DR, DEPT OF OBGYN
IOWA CITY, IA 52242

Johnson County (319) 356-2294

MRS. NANCY JANE MILLICE

Health Educator

200 HAWKINS DR, 0733 JPP
IOWA CITY, IA 52242

Johnson County (319) 356-3825

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Robert Demuth's NPI number?

The NPI number for Robert Demuth is 1447307897. It was assigned to this individual provider in the NPPES registry on January 5, 2007.

Where is Robert Demuth located?

Robert Demuth practices at 200 Hawkins Dr, Iowa City, IA 52242. The listed phone number is (319) 356-4019.

What is Robert Demuth's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Is Robert Demuth enrolled in Medicare?

Yes. Robert Demuth is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organizations bill Medicare for Robert Demuth's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Robert Demuth reassigns Medicare benefits to 2 organizations: State University Of Iowa (Iowa City, IA) and Lonestar Hospital Medicine Associates, PA (Mansfield, TX). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Robert Demuth's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Robert Demuth accept?

Health plans from Blue Cross and Blue Shield of Texas, Harbor Health, Oscar Insurance Company and Wellmark Health Plan of Iowa, Inc. list Robert Demuth as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is Robert Demuth affiliated with any hospitals?

According to CMS data, Robert Demuth is affiliated with University Of Iowa Health Care Medical Center Down, Genesis Medical Center-Davenport and University Of Iowa Hospital & Clinics.

When was this NPI record last updated?

The NPPES record for Robert Demuth was last updated on December 18, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.