Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

COLTEN STEWART
NPI 1760007280
Internal Medicine in Iowa City, IA

Active since June 10, 2020PECOS Enrolled
UNIVERSITY OF IOWA HOSPITALS AND CLINICS, 200 HAWKINS DRIVE, DEPT. INTERNAL MEDICINE, IOWA CITY, IA 52242(319) 356-2034 Get Directions Write a Review

NPPES record last updated: September 18, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 18, 2026, Jun 10, 2020 (2 updates tracked since 2020).

About Colten Stewart NPPES

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

COLTEN STEWART (NPI 1760007280) is an individual internal medicine provider in Iowa City, Iowa, licensed in Iowa (R-11958) and active in the NPI registry since June 2020. He is enrolled in Medicare PECOS, is affiliated with Ssm Health St Mary's Hospital - Madison, and maintains a secondary practice location in Monroe.

NPPES Registry Identity

NPI1760007280
Entity TypeIndividualMale
Primary Taxonomy207R00000X
Provider Legal NameCOLTEN STEWART
Location AddressUNIVERSITY OF IOWA HOSPITALS AND CLINICS, 200 HAWKINS DRIVE, DEPT. INTERNAL MEDICINEIowa City, IA 52242-1009
Mailing Address200 Hawkins Dr Dept OfIowa City, IA 52242-1009
Sole ProprietorYes
Medical School CMSWright State University Boonshoft School Of MedicineGraduated 2020
Enumeration DateJune 10, 2020
Last NPPES UpdateSeptember 18, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 18, 2026
✔ NPI 1760007280 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
License✔ Licensed in IA · R-11958
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedInternal Medicine · Cardiovascular DiseaseTaxonomy 207RC0000X · License 87426 (WI)
UNIVERSITY OF IOWA HOSPITALS AND CLINICS, Iowa City, IA 52242

Secondary Practice Location 1

Location 1515 22nd AveMonroe, WI 53566-1569 · Phone (608) 324-2000 · Fax (608) 324-2469

Accepted Insurance

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Colten Stewart is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID4688098163
PECOS Enrollment IDI20260804000217
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

2

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

Specialist
515 22ND AVE
Monroe, WI 53566
  • Reassigned Medicare billing, Wisconsin enrollment
  • 376 clinicians in this Medicare group
Allergy & Immunology
1211 FISH HATCHERY RD
Madison, WI 53715
  • Reassigned Medicare billing, Wisconsin enrollment
  • 1,377 clinicians in this Medicare group

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

Hospital Affiliations CMS Care Compare

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

Ssm Health St Mary's Hospital - Madison

Acute Care Hospitals · Madison, WI
5/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number520083
Location700 South Park StMadison, WI 53715 · Dane 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.

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 Colten Stewart's NPI number?

The NPI number for Colten Stewart is 1760007280. It was assigned to this individual provider in the NPPES registry on June 10, 2020.

Where is Colten Stewart located?

Colten Stewart practices at University Of Iowa Hospitals And Clinics 200 Hawkins Drive, Dept. Internal Medicine, Iowa City, IA 52242. The listed phone number is (319) 356-2034.

What is Colten Stewart's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Colten Stewart enrolled in Medicare?

Yes. Colten Stewart is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Colten Stewart's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Colten Stewart reassigns Medicare benefits to 2 organizations: The Monroe Clinic, Inc. (Monroe, WI) and Dean Health Systems, Inc (Madison, WI). 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 Colten Stewart's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Colten Stewart accept?

Health plans from Anthem Blue Cross and Blue Shield, Dean Health Plan and Quartz list Colten Stewart 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 Colten Stewart affiliated with any hospitals?

According to CMS data, Colten Stewart is affiliated with Ssm Health St Mary's Hospital - Madison.

When was this NPI record last updated?

The NPPES record for Colten Stewart was last updated on September 18, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 40 days 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.