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Internal Medicine

Theresa E. Montoya-Houser, MD

Works at hospitals in Urbana, IL · Illinois

Summary

Dr. Theresa E. Montoya-Houser, MD is an internal medicine doctor at 1818 E Windsor Rd, Urbana, IL 61802. Phone: (217) 255-9500. Accepts Medicare assignment. In 2024, Theresa E. Montoya-Houser had 143 Original Medicare patients and 310 services. NPI 1982650883. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

  • Specialty: Internal medicine doctor (Medicare lists Internal Medicine)
  • Address: 1818 E Windsor Rd, Urbana, IL 61802 · Directions (1 more location)
  • Phone: (217) 255‑9500
  • Medicare: Accepts Medicare assignment
  • Hospital: Carle Foundation Hospital
  • Group practice: Carle Health Care Incorporated
  • Medical school: graduated 1993 (33 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Theresa E. Montoya-Houser, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Theresa E. Montoya-Houser accept Medicare assignment?
Yes. Medicare's clinician data says Theresa E. Montoya-Houser accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Theresa E. Montoya-Houser see?
In 2024, CMS data shows 143 Original Medicare patients and 310 services for Theresa E. Montoya-Houser. This counts Original Medicare only and measures volume, not quality.
What is Theresa E. Montoya-Houser's NPI number?
1982650883. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Theresa E. Montoya-Houser, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients143
Services billed to Medicare310
Different services or procedures12
Participating Medicare providerYes
Average age of these patients72

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)164 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)95 services
  3. Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)28 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis42%
  • Diabetes37%
  • Ischemic heart disease28%
  • Anxiety26%

Hospitals where Theresa E. Montoya-Houser works

Medicare's Facility Affiliation Data lists Theresa E. Montoya-Houser at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Theresa E. Montoya-Houser is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Theresa E. Montoya-Houser as a member of this group (CMS data updated October 2, 2026).

  • Carle Health Care Incorporated1,666 clinicians in the group

Specialties

Find other Internal Medicine doctors in Illinois →

Other internal medicine doctors in Urbana

Clinicians with the same Medicare primary specialty in Urbana, IL — not a recommendation.

All internal medicine doctors in Urbana →

Other clinicians in Carle Health Care Incorporated

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Graduation year1993 (33 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1982650883
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians