Quick answers
- Where does Marcus M. Janicki see patients?
- Medicare's clinician data lists 1 practice location in Largo, FL. Call before your visit to confirm the address.
- What is Marcus M. Janicki's specialty?
- Medicare lists Family Practice as the primary specialty.
- Does Marcus M. Janicki accept Medicare assignment?
- Yes. Medicare's clinician data says Marcus M. Janicki accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Marcus M. Janicki?
- (727) 316-5033, as listed in official Medicare / NPI Registry data.
- What is Marcus M. Janicki's NPI number?
- 1609189240. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Marcus M. Janicki is enrolled with Medicare (CMS data updated 2026-10-02).
- 801 W Bay Dr, Suite 321Largo, FL 33770 (727) 316‑5033
Group practices
Medicare enrollment lists Marcus M. Janicki as a member of this group (CMS data updated 2026-10-02).
- Sunstate Physicians LLC14 clinicians in the group
Specialties
- Family Practiceprimary
Other family doctors in Largo
Clinicians with the same Medicare primary specialty in Largo, FL — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | West Virginia School Of Osteopathic Medicine |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1609189240 |
| 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 2026-10-02, retrieved 2026-10-29
- 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