Mark R. Debuse, M.D.
Emergency Medicine Physician · Bethesda, MD
Mark R. Debuse, M.D. is an emergency medicine physician with a practice address in Bethesda, Maryland, and NPI 1043449408, issued on Jul 7, 2009. Check the license (Maryland D0094143, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Mark R. Debuse
- Credential
- M.D.
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License numbers
- D0094143 MD
DR.0060619 CO
0101248073 VA
Self-reported in NPPES; status is on the state search - Practice location
- 8901 Rockville Pike, Bethesda, MD 20889
- Phone
- (301) 295-4196
- Enumerated
- Jul 7, 2009
- Record last updated
- Aug 5, 2024
- Medicare enrollment
- Enrolled (PECOS I20220915000814); accepts Medicare assignment
- Medical or professional school
- Georgetown University School Of Medicine, 2009
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 8901 Rockville Pike
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Mark R. Debuse in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0094143Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
39% fewer Medicare Part D claims than the average emergency medicine physician in 2024
138 Medicare Part D claims for 104 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D.
Most prescribed
- Prednisone23 claims
- Amoxicillin-Clavulanate Potass11 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, IncLargo, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mark R. Debuse among 1,190 emergency medicine physician records in Maryland
Mark R. Debuse, M.D. is one of 1,190 emergency medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2009, is newer than 55% of them.
- NPI issued2009 · 55% of these records are older, 42% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2009 · median 2010 among the 571 with a school on file
- Record last updated2024 · 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 207P00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Emergency Medicine Physician providers in Maryland
There are 1,190 emergency medicine physician records in Maryland.
All 1,190 in Maryland → Every provider in Bethesda → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Sean Barbabella, D.O.Bethesda, MD 208891427028331
- Bradley Bunten, MDBethesda, MD 208891821074899
- Bradley Butler, MDBethesda, MD 208891265479950
- Robert Donovan, M.D.Bethesda, MD 208891427035054
- Katherine Douglass, MDBethesda, MD 208891679555668
- Michelle Ervin, MDBethesda, MD 208891568401321
- Brian Ferguson, D.O.Bethesda, MD 208891417996620
- Kim Forman, MDBethesda, MD 208891609847706
Common questions
What is Mark R. Debuse, M.D.'s NPI number?
Mark R. Debuse, M.D.'s National Provider Identifier (NPI) is 1043449408, issued on Jul 7, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Mark R. Debuse, M.D. located?
The NPPES record lists a practice address at 8901 Rockville Pike, Bethesda, MD, 20889. Phone: (301) 295-4196. Providers update this record themselves, so call before visiting.
How can I verify Mark R. Debuse, M.D.'s license?
NPPES lists Maryland license number D0094143, 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 Mark R. Debuse, M.D. prescribe under Medicare Part D?
In 2024, Mark R. Debuse, M.D. had 138 Medicare Part D claims for 104 beneficiaries; the average among emergency medicine physician prescribers was 226. 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.