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Family Practice

Mary Ann Barnum, MD

Works at hospitals in Orlando, FL · Florida

Summary

Mary Ann Barnum, MD (Family Practice) is listed by Medicare at 1 hospital in Orlando, FL. NPI 1093457970. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Mary Ann Barnum, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Family PracticePrimary specialty
YesAccepts Medicare assignment
YesOffers telehealth
4Years since medical school (graduated 2022)
FemaleGender (as listed)
Florida Hospital Medical Group IncGroup practice

Quick answers

Which hospitals does Mary Ann Barnum work at?
Medicare's official clinician data lists Mary Ann Barnum at 1 hospital: AdventHealth Orlando. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Mary Ann Barnum see patients?
Medicare's clinician data lists 2 practice locations, including Winter Park, FL and Maitland, FL. Call before your visit to confirm the address.
What is Mary Ann Barnum's specialty?
Medicare lists Family Practice as the primary specialty.
Does Mary Ann Barnum accept Medicare assignment?
Yes. Medicare's clinician data says Mary Ann Barnum 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 Mary Ann Barnum offer telehealth?
Medicare's clinician data says Mary Ann Barnum offers telehealth services. Ask the office which visits can be done by video or phone.
What is the phone number for Mary Ann Barnum?
(407) 599-7070, as listed in official Medicare / NPI Registry data.
What is Mary Ann Barnum's NPI number?
1093457970. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Mary Ann Barnum works

Medicare's Facility Affiliation Data lists Mary Ann Barnum at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Mary Ann Barnum is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Mary Ann Barnum as a member of this group (CMS data updated 2026-10-02).

  • Florida Hospital Medical Group Inc1,755 clinicians in the group

Specialties

Find other Family Practice doctors in Florida →

Other family doctors in Winter Park

Clinicians with the same Medicare primary specialty in Winter Park, FL — not a recommendation.

All family doctors in Winter Park →

Clinician information

CredentialMD
Graduation year2022
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1093457970
CorrectionsReport 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

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians