Quick answers
- Does Martin Guerin accept Medicare assignment?
- Yes. Medicare's clinician data says Martin Guerin 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 Martin Guerin see?
- In 2024, CMS data shows 76 Original Medicare patients and 85 services for Martin Guerin. This counts Original Medicare only and measures volume, not quality.
- What is Martin Guerin's NPI number?
- 1306396437. 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 Martin Guerin, 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 | 76 |
|---|---|
| Services billed to Medicare | 85 |
| Different services or procedures | 31 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Insertion of artery tube for blood sampling or infusion through skin (36620)15 services
- Anesthesia for x-ray or radiation therapy (01922)12 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 pressure74%
- Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)59%
- Arthritis53%
- Chronic kidney disease36%
- Ischemic heart disease33%
Hospitals where Martin Guerin works
Medicare's Facility Affiliation Data lists Martin Guerin 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.
- Memorial Healthcare System, IncChattanooga, TN · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: not listed by Medicare · CCN 440091
- Parkridge Medical CenterChattanooga, TN · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 440156
Practice locations
Addresses where Martin Guerin is enrolled with Medicare (CMS data updated October 2, 2026).
- 2051 Hamill RdHixson, TN 37343 (423) 495‑7353
- 2333 McCallie AveChattanooga, TN 37404 (865) 546‑8040
- 2525 Desales AveChattanooga, TN 37404 (423) 495‑2620
Group practices
Medicare enrollment lists Martin Guerin as a member of these groups (CMS data updated October 2, 2026).
- Memorial Health Partners Foundation Inc485 clinicians in the group
- American Anesthesiology of Tennessee PC298 clinicians in the group
Specialties
Find other clinicians: Certified Registered Nurse Anesthetist (CRNA), Tennessee →
Other nurse anesthetists in Hixson
Clinicians with the same Medicare primary specialty in Hixson, TN — not a recommendation.
Other clinicians in Memorial Health Partners Foundation Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | CNA |
|---|---|
| Graduation year | 2016 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1306396437 |
| 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