Quick answers
- Where does Mark W. Nickels see patients?
- Medicare's clinician data lists 1 practice location in Parrish, FL. Call before your visit to confirm the address.
- What is Mark W. Nickels's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Mark W. Nickels accept Medicare assignment?
- Yes. Medicare's clinician data says Mark W. Nickels 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 Mark W. Nickels?
- (941) 713-2231, as listed in official Medicare / NPI Registry data.
- What is Mark W. Nickels's NPI number?
- 1679520837. 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 Mark W. Nickels is enrolled with Medicare (CMS data updated 2026-10-02).
- 12271 US Hwy 301 NParrish, FL 34219 (941) 713‑2231
Group practices
Medicare enrollment lists Mark W. Nickels as a member of this group (CMS data updated 2026-10-02).
- MCR Health Inc123 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Parrish
Clinicians with the same Medicare primary specialty in Parrish, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Louisiana State University School Of Medicine In New Orleans |
| Graduation year | 1988 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1679520837 |
| 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