Quick answers
- Which hospitals does Marilyn Seda work at?
- Medicare's official clinician data lists Marilyn Seda at 1 hospital: AdventHealth Orlando. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Marilyn Seda see patients?
- Medicare's clinician data lists 3 practice locations, including Apopka, FL, Altamonte Spg, FL and Orlando, FL. Call before your visit to confirm the address.
- What is Marilyn Seda's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Marilyn Seda accept Medicare assignment?
- Yes. Medicare's clinician data says Marilyn Seda 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 Marilyn Seda?
- (407) 303-1812, as listed in official Medicare / NPI Registry data.
- What is Marilyn Seda's NPI number?
- 1104022458. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Marilyn Seda works
Medicare's Facility Affiliation Data lists Marilyn Seda at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- AdventHealth OrlandoOrlando, FL · Acute Care Hospital · CCN 100007
Practice locations
Addresses where Marilyn Seda is enrolled with Medicare (CMS data updated 2026-10-02).
- 2100 Ocoee Apopka Rd, Suite 110Apopka, FL 32703 (407) 303‑1812
- 601 E Altamonte DrAltamonte Spg, FL 32701 (407) 830‑4321
- 601 E Rollins StOrlando, FL 32803 (407) 303‑1996
Group practices
Medicare enrollment lists Marilyn Seda as a member of these groups (CMS data updated 2026-10-02).
- Florida Hospital Medical Group Inc1,755 clinicians in the group
- Mid Florida Hospital Specialists PA51 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Apopka
Clinicians with the same Medicare primary specialty in Apopka, FL — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2003 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104022458 |
| 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