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Obstetrics/Gynecology

Nia J. Leak, MD

Works at hospitals in Columbia, MD · Maryland

Summary

Dr. Nia J. Leak, MD is an OB-GYN at 10755 Falls Rd, Lutherville, MD 21093. May accept Medicare assignment. NPI 1821008491. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026.

  • Specialty: OB-GYN (Medicare lists Obstetrics/Gynecology)
  • Address: 10755 Falls Rd, Lutherville, MD 21093 · Directions (2 more locations)
  • Medicare: May accept Medicare assignment
  • Hospital: Johns Hopkins Howard County Medical Center
  • Group practice: Johns Hopkins University
  • Medical school: University Of Maryland School Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Nia J. Leak, 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 Nia J. Leak accept Medicare assignment?
Medicare's clinician data says Nia J. Leak may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
What is Nia J. Leak's NPI number?
1821008491. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Nia J. Leak works

Medicare's Facility Affiliation Data lists Nia J. Leak at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Nia J. Leak is enrolled with Medicare (CMS data updated October 2, 2026).

  • 10755 Falls RdLutherville, MD 21093
  • 5755 Cedar LnColumbia, MD 21044
  • 5759 Cedar LnColumbia, MD 21044

Group practices

Medicare enrollment lists Nia J. Leak as a member of this group (CMS data updated October 2, 2026).

  • Johns Hopkins University2,909 clinicians in the group

Specialties

Find other Obstetrics/Gynecology doctors in Maryland →

Other OB-GYNs in Lutherville

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

All OB-GYNs in Lutherville →

Other clinicians in Johns Hopkins University

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

Clinician information

CredentialMD
Medical schoolUniversity Of Maryland School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentMay accept for some services
NPI (National Provider Identifier)1821008491
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 October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  5. Medicare Care Compare — official Medicare tool to look up clinicians