Quick answers
- Does Tammy L. Guinn accept Medicare assignment?
- Yes. Medicare's clinician data says Tammy L. Guinn 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 Tammy L. Guinn see?
- In 2024, CMS data shows 45 Original Medicare patients and 357 services for Tammy L. Guinn. This counts Original Medicare only and measures volume, not quality.
- What is Tammy L. Guinn's NPI number?
- 1972138493. 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 Tammy L. Guinn, 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 | 45 |
|---|---|
| Services billed to Medicare | 357 |
| Different services or procedures | 11 |
| Participating Medicare provider | Yes |
| Average age of these patients | 77 |
Most frequent services
- Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes (99349)135 services
- Prolonged home or residence evaluation and management service(s) beyond the total time for the primary service (when the primary service has been selected using time on the date of the primary service); each additional 15 minutes by the physician or qualif (G0318)60 services
- Residence visit for established patient with low level of medical decision making, per day, if using time, at least 30 minutes (99348)52 services
- Residence visit for new patient with high level of medical decision making, per day, if using time, at least 75 minutes (99345)30 services
- Advance care planning, first 30 minutes (99497)30 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 cholesterol69%
- Ischemic heart disease53%
- Alzheimer's disease or dementia53%
- Anxiety51%
- Arthritis49%
Practice locations
Addresses where Tammy L. Guinn is enrolled with Medicare (CMS data updated October 2, 2026).
- 705 E Main St, Suite AWytheville, VA 24382 (276) 228‑0840
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Wytheville
Clinicians with the same Medicare primary specialty in Wytheville, VA — not a recommendation.
Clinician information
| Graduation year | 2019 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1972138493 |
| 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