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Nurse Practitioner

Janell S. Gilliam, NP

Sees patients in Landover, MD · Pikesville, MD · Maryland

Summary

Janell S. Gilliam, NP is a nurse practitioner at 1051 Brightseat Rd, Landover, MD 20785. Phone: (240) 487-4400. Accepts Medicare assignment. NPI 1275736167. Source: CMS National Downloadable File, updated October 2, 2026.

  • Specialty: Nurse practitioner
  • Address: 1051 Brightseat Rd, Landover, MD 20785 · Directions (1 more location)
  • Phone: (240) 487‑4400
  • Medicare: Accepts Medicare assignment
  • Group practice: Optimize Medical Group
  • School: graduated 2025
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Janell S. Gilliam, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Janell S. Gilliam accept Medicare assignment?
Yes. Medicare's clinician data says Janell S. Gilliam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
What is Janell S. Gilliam's NPI number?
1275736167. 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 Janell S. Gilliam is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Janell S. Gilliam as a member of this group (CMS data updated October 2, 2026).

  • Optimize Medical Group32 clinicians in the group

Specialties

Find other clinicians: Nurse Practitioner, Maryland →

Other nurse practitioners in Landover

Clinicians with the same Medicare primary specialty in Landover, MD — not a recommendation.

All nurse practitioners in Landover →

Other clinicians in Optimize Medical Group

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialNP
Graduation year2025
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1275736167
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. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians