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Family Practice

Teresa A. Marts, MD

Works at hospitals in Gregory, SD · Sioux Falls, SD · South Dakota

Summary

Dr. Teresa A. Marts, MD is a family doctor at 109 Pugh St, Martin, SD 57551. Phone: (605) 685-6868. Accepts Medicare assignment. In 2024, Teresa A. Marts had 52 Original Medicare patients and 289 services. NPI 1780764167. 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.

From official Medicare data

This page shows what Medicare's official clinician data says about Teresa A. Marts, 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 Teresa A. Marts accept Medicare assignment?
Yes. Medicare's clinician data says Teresa A. Marts 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 Teresa A. Marts see?
In 2024, CMS data shows 52 Original Medicare patients and 289 services for Teresa A. Marts. This counts Original Medicare only and measures volume, not quality.
What is Teresa A. Marts's NPI number?
1780764167. 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 Teresa A. Marts, 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 patients52
Services billed to Medicare289
Different services or procedures28
Participating Medicare providerYes
Average age of these patients68

Most frequent services

  1. Complete blood cell count (red cells, white blood cell, platelets), automated test (85027)69 services
  2. Blood test, comprehensive group of blood chemicals (80053)60 services
  3. Blood test, lipids (cholesterol and triglycerides) (80061)37 services
  4. Hemoglobin a1c level (83036)23 services
  5. Automated urinalysis test (81003)19 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 pressure71%
  • High cholesterol58%
  • Diabetes44%
  • Arthritis38%
  • Ischemic heart disease27%
  • COPD23%

Hospitals where Teresa A. Marts works

Medicare's Facility Affiliation Data lists Teresa A. Marts 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 Teresa A. Marts is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Teresa A. Marts as a member of these groups (CMS data updated October 2, 2026).

  • Avera McKennan959 clinicians in the group
  • Horizon Health Care Inc55 clinicians in the group

Specialties

Find other Family Practice doctors in South Dakota →

Other family doctors in South Dakota

Clinicians with the same Medicare primary specialty in South Dakota — not a recommendation.

All family doctors in South Dakota →

Other clinicians in Avera McKennan

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

Clinician information

CredentialMD
Medical schoolSanford School Of Medicine Of University Of South Dakota
Graduation year1997 (29 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1780764167
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