Quick answers
- Which hospitals does Margaret A. Colleran work at?
- Medicare's official clinician data lists Margaret A. Colleran at 1 hospital: AdventHealth Tampa. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Margaret A. Colleran see patients?
- Medicare's clinician data lists 2 practice locations, including Riverview, FL and Altamonte Springs, FL. Call before your visit to confirm the address.
- What is Margaret A. Colleran's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Margaret A. Colleran accept Medicare assignment?
- Yes. Medicare's clinician data says Margaret A. Colleran 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.
- Does Margaret A. Colleran offer telehealth?
- Medicare's clinician data says Margaret A. Colleran offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Margaret A. Colleran?
- (813) 654-1775, as listed in official Medicare / NPI Registry data.
- What is Margaret A. Colleran's NPI number?
- 1457356677. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Margaret A. Colleran works
Medicare's Facility Affiliation Data lists Margaret A. Colleran at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth TampaTampa, FL · Acute Care Hospital · CCN 100173
Practice locations
Addresses where Margaret A. Colleran is enrolled with Medicare (CMS data updated 2026-10-02).
- 13403 Boyette RdRiverview, FL 33569 (813) 654‑1775
- 661 E Altamonte Dr, Suite 115Altamonte Springs, FL 32701 (407) 831‑4040
Group practices
Medicare enrollment lists Margaret A. Colleran as a member of this group (CMS data updated 2026-10-02).
- AdventHealth Primary Care Network Inc450 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Riverview
Clinicians with the same Medicare primary specialty in Riverview, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of South Florida College Of Medicine |
| Graduation year | 1993 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1457356677 |
| 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 2026-10-02, retrieved 2026-10-29
- 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