Quick answers
- Does Sierra M. Larsen accept Medicare assignment?
- Yes. Medicare's clinician data says Sierra M. Larsen 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 Sierra M. Larsen see?
- In 2024, CMS data shows 121 Original Medicare patients and 719 services for Sierra M. Larsen. This counts Original Medicare only and measures volume, not quality.
- What is Sierra M. Larsen's NPI number?
- 1912619297. 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 Sierra M. Larsen, 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 | 121 |
|---|---|
| Services billed to Medicare | 719 |
| Different services or procedures | 21 |
| Participating Medicare provider | Yes |
| Average age of these patients | 76 |
Most frequent services
- Destruction of precancer skin growth, 2-14 growths (17003)298 services
- Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)118 services
- Destruction of precancer skin growth, 1 growth (17000)85 services
- Biopsy of related skin growth, first growth (11102)71 services
- Biopsy of related skin growth, each additional growth (11103)57 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 pressure70%
- Arthritis46%
- Ischemic heart disease33%
- Chronic kidney disease26%
- Anxiety25%
Hospitals where Sierra M. Larsen works
Medicare's Facility Affiliation Data lists Sierra M. Larsen 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.
- Mayo ClinicJacksonville, FL · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 100151
Practice locations
Addresses where Sierra M. Larsen is enrolled with Medicare (CMS data updated October 2, 2026).
- 1707 Riggins RdTallahassee, FL 32308 (850) 877‑4134
- 4500 San Pablo Rd SJacksonville, FL 32224 (904) 953‑2000
Group practices
Medicare enrollment lists Sierra M. Larsen as a member of these groups (CMS data updated October 2, 2026).
- Mayo Clinic Jacksonville1,615 clinicians in the group
- Dermatology Associates of Tallahassee PA40 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Tallahassee
Clinicians with the same Medicare primary specialty in Tallahassee, FL — not a recommendation.
Other clinicians in Mayo Clinic Jacksonville
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| School | Florida State University College Of Medicine |
| Graduation year | 2022 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1912619297 |
| 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