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Psychiatry

Nicholas Gilliam, DO

Works at hospitals in Winter Haven, FL · Florida

Summary

Nicholas Gilliam, DO (Psychiatry) is listed by Medicare at 1 hospital in Winter Haven, FL. NPI 1255960357. 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 Nicholas Gilliam, 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

PsychiatryPrimary specialty
YesAccepts Medicare assignment
6Years since medical school (graduated 2020)
Ohio University, College Of Osteopathic MedicineMedical school
MaleGender (as listed)
BayCare Behavioral Health Associates, LLCGroup practice

Quick answers

Which hospitals does Nicholas Gilliam work at?
Medicare's official clinician data lists Nicholas Gilliam at 1 hospital: Winter Haven Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Nicholas Gilliam see patients?
Medicare's clinician data lists 1 practice location in Lutz, FL. Call before your visit to confirm the address.
What is Nicholas Gilliam's specialty?
Medicare lists Psychiatry as the primary specialty.
Does Nicholas Gilliam accept Medicare assignment?
Yes. Medicare's clinician data says Nicholas Gilliam 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 Nicholas Gilliam?
(727) 532-1355, as listed in official Medicare / NPI Registry data.
What is Nicholas Gilliam's NPI number?
1255960357. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nicholas Gilliam works

Medicare's Facility Affiliation Data lists Nicholas Gilliam 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 Nicholas Gilliam is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Nicholas Gilliam as a member of this group (CMS data updated 2026-10-02).

  • BayCare Behavioral Health Associates, LLC101 clinicians in the group

Specialties

Find other Psychiatry doctors in Florida →

Other psychiatrists in Lutz

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

All psychiatrists in Lutz →

Clinician information

CredentialDO
Medical schoolOhio University, College Of Osteopathic Medicine
Graduation year2020
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1255960357
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