Quick answers
- Does Theresa A. Witt accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa A. Witt 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 A. Witt see?
- In 2024, CMS data shows 281 Original Medicare patients and 326 services for Theresa A. Witt. This counts Original Medicare only and measures volume, not quality.
- What is Theresa A. Witt's NPI number?
- 1922174515. 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 A. Witt, 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 | 281 |
|---|---|
| Services billed to Medicare | 326 |
| Different services or procedures | 20 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)216 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)45 services
- Ultrasound of both sides of head and neck blood flow (93880)23 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%
- Ischemic heart disease57%
- Arthritis52%
- Chronic kidney disease46%
- Diabetes40%
Practice locations
Addresses where Theresa A. Witt is enrolled with Medicare (CMS data updated October 2, 2026).
- 2115 S Fremont Ave, 1100 Mc Womens Oncology WhitesideSpringfield, MO 65804 (417) 820‑3554
- 2115 S Fremont Ave, 3050 Mc Infectious Disease WhitesideSpringfield, MO 65804 (417) 820‑3905
- 2135 S Fremont Ave, Mc Physical Med and RehabSpringfield, MO 65804 (417) 820‑2364
Group practices
Medicare enrollment lists Theresa A. Witt as a member of this group (CMS data updated October 2, 2026).
- Mercy Clinic Springfield Communities1,120 clinicians in the group
Specialties
Find other clinicians: Certified Clinical Nurse Specialist (CNS), Missouri →
Other clinical nurse specialists in Missouri
Clinicians with the same Medicare primary specialty in Missouri — not a recommendation.
Other clinicians in Mercy Clinic Springfield Communities
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNS |
|---|---|
| Graduation year | 1994 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922174515 |
| 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
- 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