Quick answers
- Does Teresa I. Garrison accept Medicare assignment?
- Yes. Medicare's clinician data says Teresa I. Garrison 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 I. Garrison see?
- In 2024, CMS data shows 82 Original Medicare patients and 348 services for Teresa I. Garrison. This counts Original Medicare only and measures volume, not quality.
- What is Teresa I. Garrison's NPI number?
- 1902113038. 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 I. Garrison, 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 | 82 |
|---|---|
| Services billed to Medicare | 348 |
| Different services or procedures | 34 |
| Participating Medicare provider | Yes |
| Average age of these patients | 68 |
Most frequent services
- Hemoglobin a1c level (83036)45 services
- Urinalysis, manual test (81002)33 services
- Blood glucose (sugar) measurement using reagent strip (82948)33 services
- Insertion of needle into vein for collection of blood sample (36415)30 services
- Urine microalbumin (protein) level (82043)29 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 pressure52%
- High cholesterol48%
- Arthritis33%
- Diabetes30%
- Anxiety22%
- COPD20%
Hospitals where Teresa I. Garrison works
Medicare's Facility Affiliation Data lists Teresa I. Garrison 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.
- Providence St Peter HospitalOlympia, WA · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 500024
Practice locations
Addresses where Teresa I. Garrison is enrolled with Medicare (CMS data updated October 2, 2026).
- 202 Cullens St NWYelm, WA 98597 (360) 400‑4800
Group practices
Medicare enrollment lists Teresa I. Garrison as a member of this group (CMS data updated October 2, 2026).
- Sea Mar Community Health Centers230 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Yelm
Clinicians with the same Medicare primary specialty in Yelm, WA — not a recommendation.
Other clinicians in Sea Mar Community Health Centers
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2010 (16 years since medical school) |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1902113038 |
| 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