Quick answers
- Does Tristan M. Harrison accept Medicare assignment?
- Yes. Medicare's clinician data says Tristan M. Harrison 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 Tristan M. Harrison see?
- In 2024, CMS data shows 507 Original Medicare patients and 8,632 services for Tristan M. Harrison. This counts Original Medicare only and measures volume, not quality.
- What is Tristan M. Harrison's NPI number?
- 1891704581. 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 Tristan M. Harrison, 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 | 507 |
|---|---|
| Services billed to Medicare | 8,632 |
| Different services or procedures | 61 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Injection, denosumab, 1 mg (J0897)1,680 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)1,161 services
- Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)745 services
- Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (G0439)381 services
- Annual, face-to-face intensive behavioral therapy for cardiovascular disease, individual, 15 minutes (G0446)351 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%
- Arthritis54%
- Chronic kidney disease39%
- Diabetes30%
- Depression30%
Hospitals where Tristan M. Harrison works
Medicare's Facility Affiliation Data lists Tristan M. Harrison 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.
- Lakeland Regional Medical CenterLakeland, FL · Acute Care Hospital · Medicare rating: 1 of 5 stars · Emergency services: listed by Medicare · CCN 100157
- St Josephs HospitalTampa, FL · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 100075
- Winter Haven HospitalWinter Haven, FL · Acute Care Hospital · Medicare rating: 3 of 5 stars · Emergency services: listed by Medicare · CCN 100052
Practice locations
Addresses where Tristan M. Harrison is enrolled with Medicare (CMS data updated October 2, 2026).
- 2461 Enterprise Rd, Suite CClearwater, FL 33763 (727) 725‑5060
- 601 1st St NWinter Haven, FL 33881 (863) 298‑3204
- 635 1st St N, Nephrology at Gessler AnnexWinter Haven, FL 33881 (863) 294‑0670
Group practices
Medicare enrollment lists Tristan M. Harrison as a member of this group (CMS data updated October 2, 2026).
- BayCare Medical Group, Inc.1,547 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Clearwater
Clinicians with the same Medicare primary specialty in Clearwater, FL — not a recommendation.
Other clinicians in BayCare Medical Group, Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Uniformed Services Uhs Fe Hebert School Of Med |
| Graduation year | 2004 (22 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1891704581 |
| 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