NPPES file of Aug 9, 2026

Marwin Linus Groener, MD

Student in an Organized Health Care Education/Training Program · Baltimore, MD

Marwin Linus Groener, MD is a student in an organized health care education/training program with a practice address in Baltimore, Maryland, and NPI 1598349540, issued on May 6, 2021. Check the license with the Maryland board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1598349540
Name
Marwin Linus Groener
Credential
MD
Primary taxonomy
Student in an Organized Health Care Education/Training Program 390200000X
Practice location
1800 Orleans Street, Baltimore, MD 21264
Phone
(410) 502-2037
Enumerated
May 6, 2021
Record last updated
May 14, 2024
Fax
(410) 955-0737
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Also registered at 1800 Orleans Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Oluwadamilola Nurude AdisaStudent in an Organized Health Care Education/Training Program1508538356
  2. Oluwanifesimi Akinwamide, MDAnesthesiology Physician1902466410
  3. Audrey Ang, MDInternal Medicine Physician1447839048
  4. Mohanad Baldawi, MDAnesthesiology Physician1053931709
  5. Brenda Banwell, MDPediatrics Physician1013275619
  6. Alish Basnet, CRNACertified Registered Nurse Anesthetist1477116945

Verify Marwin Linus Groener in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Maryland board licenses this professionCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
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2.5 times the Medicare Part D claims of the average student in an organized health care education/training program in 2024

454 Medicare Part D claims for 73 beneficiaries, against an average of 185 among the 59,748 providers of this specialty who prescribed in Part D.

  1. Marwin Groener454
  2. Specialty average185

Most prescribed

  1. Metoprolol Succinate29 claims
  2. Amlodipine Besylate24 claims
  3. Clopidogrel22 claims
  4. Atorvastatin Calcium16 claims
  5. Furosemide14 claims
  6. Lisinopril14 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.

Marwin Linus Groener among 5,632 student in an organized health care education/training program records in Maryland

Marwin Linus Groener, MD is one of 5,632 student in an organized health care education/training program records with a practice address in Maryland. 26% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 23% of them.

  • NPI issued2021 · 23% of these records are older, 70% newer
  • In a Medicare fileYes · 26% of these records are
  • In the CMS Doctors and Clinicians fileNo · 2% of these records are
  • Record last updated2024 · 24% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 390200000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

4,028 student in an organized health care education/training program records list a practice address in Baltimore

They are 4,028 of the 35,183 NPPES records with a practice address in Baltimore, and 5,632 student in an organized health care education/training program records in Maryland.

The 8 student in an organized health care education/training program records with the nearest ZIP codes

  1. Nora Alzahrani, MDBaltimore, MD 212641568959070
  2. Rishi ChandiramaniBaltimore, MD 212641316574171
  3. Ritam Chowdhury, MBBS, MPH, PHD, SMBaltimore, MD 212641164982138
  4. Jae-Hoon Chung, MD PHDBaltimore, MD 212641578190849
  5. Madonna Enwe, MDBaltimore, MD 212641528693652
  6. Tolga Gidener, MDBaltimore, MD 212641770111494
  7. Haley Gorie, MDBaltimore, MD 212641417452020
  8. Sikemi Ibikunle, M.D.Baltimore, MD 212641811557747

Common questions

What is Marwin Linus Groener, MD's NPI number?

Marwin Linus Groener, MD's National Provider Identifier (NPI) is 1598349540, issued on May 6, 2021. An NPI identifies a provider in billing; it is not a license.

Where is Marwin Linus Groener, MD located?

The NPPES record lists a practice address at 1800 Orleans Street, Baltimore, MD, 21264. Phone: (410) 502-2037. Providers update this record themselves, so call before visiting.

How can I verify Marwin Linus Groener, MD's license?

Search the Maryland board that licenses this profession; the NPPES record confirms identity only.

How much does Marwin Linus Groener, MD prescribe under Medicare Part D?

In 2024, Marwin Linus Groener, MD had 454 Medicare Part D claims for 73 beneficiaries; the average among student in an organized health care education/training program prescribers was 185. 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.