Martha J. Chalmers, M.D.
Family Medicine Physician · Halethorpe, MD
Martha J. Chalmers, M.D. is a family medicine physician with a practice address in Halethorpe, Maryland, and NPI 1508866179, issued on Jul 26, 2005. Check the license (Maryland D00059591, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Martha J. Chalmers
- Credential
- M.D.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- D00059591 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1701 Twin Springs RD, Halethorpe, MD 21227
- Phone
- (410) 737-5000
- Enumerated
- Jul 26, 2005
- Record last updated
- Jun 25, 2021 (not updated in 5 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20100427000298); accepts Medicare assignment
- Medical or professional school
- George Washington University School Of Medicine, 1998
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,912 in Maryland → Look up another NPI →
Also registered at 1701 Twin Springs RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Martha J. Chalmers in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D00059591Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family medicine physician in 2024
303 Medicare Part D claims for 179 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. 24 claims were for opioids.
Most prescribed
- Prednisone35 claims
- Albuterol Sulfate Hfa24 claims
- Doxycycline Monohydrate23 claims
- Oxycodone Hcl18 claims
- Amoxicillin-Clavulanate Potass17 claims
- Triamcinolone Acetonide12 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Kaiser Foundation Health Plan OF The Mid Atlantic States, IncHalethorpe, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Martha J. Chalmers among 1,912 family medicine physician records in Maryland
Martha J. Chalmers, M.D. is one of 1,912 family medicine physician records with a practice address in Maryland. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 87% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1998 · median 2004 among the 1,141 with a school on file
- Record last updated2021 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
10 family medicine physician records list a practice address in Halethorpe
They are 10 of the 167 NPPES records with a practice address in Halethorpe, and 1,912 family medicine physician records in Maryland.
All 1,912 in Maryland → Every provider in Halethorpe → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Shanita Chase, MDHalethorpe, MD 212271487650891
- Tinisha Cheatham, DOHalethorpe, MD 212271851339618
- Seung Chung, D.O.Halethorpe, MD 212271467898205
- Abigail Hamilton, MDHalethorpe, MD 212271821592817
- Fatmatta Kuyateh, MDHalethorpe, MD 212271003931973
- Karen Kwak, DOHalethorpe, MD 212271720136740
- Sara Siddiqi, MDHalethorpe, MD 212271730524091
- Patrick Smith, M.D.Halethorpe, MD 212271184044422
Common questions
What is Martha J. Chalmers, M.D.'s NPI number?
Martha J. Chalmers, M.D.'s National Provider Identifier (NPI) is 1508866179, issued on Jul 26, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Martha J. Chalmers, M.D. located?
The NPPES record lists a practice address at 1701 Twin Springs RD, Halethorpe, MD, 21227. Phone: (410) 737-5000. Providers update this record themselves, so call before visiting.
How can I verify Martha J. Chalmers, M.D.'s license?
NPPES lists Maryland license number D00059591, as entered by the provider. Search the Maryland Board of Physicians at https://www.mbp.state.md.us/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Martha J. Chalmers, M.D. prescribe under Medicare Part D?
In 2024, Martha J. Chalmers, M.D. had 303 Medicare Part D claims for 179 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.