John Henry Brems, MD
Critical Care Medicine (Internal Medicine) Physician · Baltimore, MD
John Henry Brems, MD is a critical care medicine (internal medicine) physician with a practice address in Baltimore, Maryland, and NPI 1376040519, issued on Apr 12, 2018. Check the license (Maryland D0103958, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- John Henry Brems
- Credential
- MD
- Primary taxonomy
- Critical Care Medicine (Internal Medicine) Physician 207RC0200X
- License number
- D0103958 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1800 Orleans St, Baltimore, MD 21287
- Phone
- (410) 955-5000
- Enumerated
- Apr 12, 2018
- Record last updated
- Jun 2, 2025
- Medicare enrollment
- Enrolled (PECOS I20250606003707); may accept Medicare assignment
- Entity
- Type 1 · individual
8 nearest critical care medicine (internal medicine) physician records → All 212 in Maryland → Look up another NPI →
Also registered at 1800 Orleans St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Arielle AbovichStudent in an Organized Health Care Education/Training Program1972122703
- Luis Acosta, MDStudent in an Organized Health Care Education/Training Program1922859537
- Nihmotallahi Adebayo, MDStudent in an Organized Health Care Education/Training Program1033058334
Verify John Henry Brems in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0103958Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average critical care medicine (internal medicine) physician in 2024
48 Medicare Part D claims for 11 beneficiaries, against an average of 696 among the 2,873 providers of this specialty who prescribed in Part D. Brand-name drugs were 63% of claims.
Most prescribed
- Trelegy Ellipta13 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
- Johns Hopkins UniversityBaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
John Henry Brems among 212 critical care medicine (internal medicine) physician records in Maryland
John Henry Brems, MD is one of 212 critical care medicine (internal medicine) physician records with a practice address in Maryland. 86% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 89% of them.
- NPI issued2018 · 89% of these records are older, 8% newer
- In a Medicare fileYes · 86% of these records are
- In the CMS Doctors and Clinicians fileYes · 79% of these records are
- Graduated2018 · median 2005 among the 168 with a school on file
- Record last updated2025 · 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 207RC0200X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Critical Care Medicine (Internal Medicine) Physician providers in Maryland
There are 212 critical care medicine (internal medicine) physician records in Maryland.
All 212 in Maryland → Every provider in Baltimore → Critical Care Medicine (Internal Medicine) Physician nationwide →
The 8 critical care medicine (internal medicine) physician records with the nearest ZIP codes
- Willard Applefeld, M.D.Baltimore, MD 212871992190045
- Jordan AssadiBaltimore, MD 212871912332008
- Divyansh Bajaj, MDBaltimore, MD 212871770005399
- Kori Calhoun, DNPBaltimore, MD 212871104703875
- Mary Elizabeth Card, MDBaltimore, MD 212871487034906
- Steven Keller, MD, PHDBaltimore, MD 212871720279847
- Umar Khan, MDBaltimore, MD 212871487688271
- Neal Klauer, MDBaltimore, MD 212871386173516
Common questions
What is John Henry Brems, MD's NPI number?
John Henry Brems, MD's National Provider Identifier (NPI) is 1376040519, issued on Apr 12, 2018. An NPI identifies a provider in billing; it is not a license.
Where is John Henry Brems, MD located?
The NPPES record lists a practice address at 1800 Orleans St, Baltimore, MD, 21287. Phone: (410) 955-5000. Providers update this record themselves, so call before visiting.
How can I verify John Henry Brems, MD's license?
NPPES lists Maryland license number D0103958, 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 John Henry Brems, MD prescribe under Medicare Part D?
In 2024, John Henry Brems, MD had 48 Medicare Part D claims for 11 beneficiaries; the average among critical care medicine (internal medicine) physician prescribers was 696. 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.