Quick answers
- Where does Allison Griffin see patients?
- Medicare's clinician data lists 3 practice locations, including Port Charlotte, FL, Zephyrhills, FL and Birmingham, AL. Call before your visit to confirm the address.
- What is Allison Griffin's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Allison Griffin accept Medicare assignment?
- Yes. Medicare's clinician data says Allison Griffin 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 Allison Griffin?
- (941) 255-3535, as listed in official Medicare / NPI Registry data.
- What is Allison Griffin's NPI number?
- 1407389422. 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 Allison Griffin is enrolled with Medicare (CMS data updated 2026-10-02).
- 19531 Cochran BlvdPort Charlotte, FL 33948 (941) 255‑3535
- 37900 Daughtery Rd, Suite 1Zephyrhills, FL 33541 (813) 788‑5531
- 832 Princeton Ave SWBirmingham, AL 35211 (205) 206‑8219
Group practices
Medicare enrollment lists Allison Griffin as a member of these groups (CMS data updated 2026-10-02).
- Millennium Physician Group LLC982 clinicians in the group
- Birmingham Internal Medicine Associates, LLC124 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Port Charlotte
Clinicians with the same Medicare primary specialty in Port Charlotte, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Mercer University School Of Medicine |
| Graduation year | 2017 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1407389422 |
| 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