Quick answers
- Does Theresa A. Stoker accept Medicare assignment?
- Yes. Medicare's clinician data says Theresa A. Stoker 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. Stoker see?
- In 2024, CMS data shows 202 Original Medicare patients and 761 services for Theresa A. Stoker. This counts Original Medicare only and measures volume, not quality.
- What is Theresa A. Stoker's NPI number?
- 1720740723. 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. Stoker, 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 | 202 |
|---|---|
| Services billed to Medicare | 761 |
| Different services or procedures | 10 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)168 services
- Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)124 services
- New patient office or other outpatient visit with moderate level of medical decision making, if using time, 45 minutes or more (99204)49 services
- Evaluation of neuropsychological test, first hour (96132)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 cholesterol75%
- High blood pressure73%
- Arthritis50%
- Anxiety37%
- Depression35%
- Ischemic heart disease29%
Hospitals where Theresa A. Stoker works
Medicare's Facility Affiliation Data lists Theresa A. Stoker 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.
- Davis County HospitalBloomfield, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161327
- Jefferson County Health CenterFairfield, IA · Critical Access Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 161364
- MercyOne Centerville Medical CenterCenterville, IA · Critical Access Hospital · Emergency services: listed by Medicare · CCN 161377
- Ottumwa Regional Health CenterOttumwa, IA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 160089
Practice locations
Addresses where Theresa A. Stoker is enrolled with Medicare (CMS data updated October 2, 2026).
- 2000 S Main StFairfield, IA 52556
- 522 N Hancock StOttumwa, IA 52501 (641) 683‑0800
Group practices
Medicare enrollment lists Theresa A. Stoker as a member of these groups (CMS data updated October 2, 2026).
- Jefferson County Hospital47 clinicians in the group
- Mercy Medical Center-Centerville40 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Fairfield
Clinicians with the same Medicare primary specialty in Fairfield, IA — not a recommendation.
Other clinicians in Jefferson County Hospital
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 1990 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1720740723 |
| 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