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Family Practice

Martha J. Chalmers, MD

Sees patients in Halethorpe, MD · Nottingham, MD · Columbia, MD · Maryland

Summary

Martha J. Chalmers, MD (Family Practice) is enrolled with Medicare at 3 practice locations in Halethorpe, MD, Nottingham, MD and Columbia, MD. NPI 1508866179. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Martha J. Chalmers, 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
28Years since medical school (graduated 1998)
George Washington University School Of MedicineMedical school
FemaleGender (as listed)
Kaiser Foundation Health Plan of the Mid Atlantic States, IncGroup practice

Quick answers

Where does Martha J. Chalmers see patients?
Medicare's clinician data lists 3 practice locations, including Halethorpe, MD, Nottingham, MD and Columbia, MD. Call before your visit to confirm the address.
What is Martha J. Chalmers's specialty?
Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
Does Martha J. Chalmers accept Medicare assignment?
Yes. Medicare's clinician data says Martha J. Chalmers 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 Martha J. Chalmers?
(410) 737-5000, as listed in official Medicare / NPI Registry data.
What is Martha J. Chalmers's NPI number?
1508866179. 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 Martha J. Chalmers is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Martha J. Chalmers as a member of this group (CMS data updated 2026-10-02).

  • Kaiser Foundation Health Plan of the Mid Atlantic States, Inc1,899 clinicians in the group

Specialties

Find other Family Practice doctors in Maryland →

Other family doctors in Halethorpe

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

All family doctors in Halethorpe →

Clinician information

CredentialMD
Medical schoolGeorge Washington University School Of Medicine
Graduation year1998
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1508866179
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 2026-10-02, retrieved 2026-10-29
  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