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Family Practice

Theresia Gordnier, MD

Works at hospitals in Dayton, OH · Ohio

Summary

Dr. Theresia Gordnier, MD is a family doctor at 1 Wyoming St, Dayton, OH 45409. Phone: (937) 208-8394. Accepts Medicare assignment. In 2024, Theresia Gordnier had 42 Original Medicare patients and 150 services. NPI 1043703705. 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: Family doctor (Medicare lists Family Practice)
  • Address: 1 Wyoming St, Dayton, OH 45409 · Directions (3 more locations)
  • Phone: (937) 208‑8394
  • Medicare: Accepts Medicare assignment
  • Hospitals: Kettering Health Dayton, Miami Valley Hospital
  • Group practice: Premier Health Specialists Inc (+2 more)
  • Medical school: University Of Cincinnati College Of Medicine · graduated 2018 (8 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Theresia Gordnier, 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 Theresia Gordnier accept Medicare assignment?
Yes. Medicare's clinician data says Theresia Gordnier 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 Theresia Gordnier see?
In 2024, CMS data shows 42 Original Medicare patients and 150 services for Theresia Gordnier. This counts Original Medicare only and measures volume, not quality.
What is Theresia Gordnier's NPI number?
1043703705. 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 Theresia Gordnier, 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 patients42
Services billed to Medicare150
Different services or procedures25
Participating Medicare providerYes
Average age of these patients66

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)34 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)33 services
  3. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)14 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 pressure74%
  • High cholesterol64%
  • Diabetes45%
  • Chronic kidney disease40%
  • Arthritis36%
  • COPD31%

Hospitals where Theresia Gordnier works

Medicare's Facility Affiliation Data lists Theresia Gordnier 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.

  • Kettering Health DaytonDayton, OH · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: not listed by Medicare · CCN 360133
  • Miami Valley HospitalDayton, OH · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 360051

Practice locations

Addresses where Theresia Gordnier is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Theresia Gordnier as a member of these groups (CMS data updated October 2, 2026).

  • Premier Health Specialists Inc580 clinicians in the group
  • Mvhe Inc408 clinicians in the group
  • Five Rivers Health Centers43 clinicians in the group

Specialties

Find other Family Practice doctors in Ohio →

Other family doctors in Dayton

Clinicians with the same Medicare primary specialty in Dayton, OH — not a recommendation.

All family doctors in Dayton →

Other clinicians in Premier Health Specialists Inc

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

Clinician information

CredentialMD
Medical schoolUniversity Of Cincinnati College Of Medicine
Graduation year2018 (8 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1043703705
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