Quick answers
- Does Theresa Holladay accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa Holladay 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 Holladay see?
- In 2024, CMS data shows 28 Original Medicare patients and 34 services for Theresa Holladay. This counts Original Medicare only and measures volume, not quality.
- What is Theresa Holladay's NPI number?
- 1053343608. 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 Holladay, 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 patients | 28 |
|---|---|
| Services billed to Medicare | 34 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 50 |
Most frequent services
- Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory (Q0091)13 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 pressure54%
- Anxiety46%
- High cholesterol43%
- Arthritis39%
Hospitals where Theresa Holladay works
Medicare's Facility Affiliation Data lists Theresa Holladay 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.
- Prairie Ridge Hospital and Health ServicesElbow Lake, MN · Critical Access Hospital · Emergency services: listed by Medicare · CCN 241379
Practice locations
Addresses where Theresa Holladay is enrolled with Medicare (CMS data updated October 2, 2026).
- 1901 W Western Ave B, Ihc at SouthbendSouth Bend, IN 46619 (574) 234‑9033
Group practices
Medicare enrollment lists Theresa Holladay as a member of this group (CMS data updated October 2, 2026).
- Indiana Health Centers Inc64 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in South Bend
Clinicians with the same Medicare primary specialty in South Bend, IN — not a recommendation.
Other clinicians in Indiana Health Centers Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | Michigan State University College Of Osteopathic Medicine |
| Graduation year | 1989 (37 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1053343608 |
| Corrections | Report 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians