Amber J. Marshall, MD
Emergency Medicine Physician · Upper Marlboro, MD
Amber J. Marshall, MD is an emergency medicine physician with a practice address in Upper Marlboro, Maryland, and NPI 1992840714, issued on Feb 20, 2007. Check the license (Maryland DM69194, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Amber J. Marshall
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- DM69194 MD
Self-reported in NPPES; status is on the state search - Practice location
- 1221 Mercantile LN, Upper Marlboro, MD 20774
- Phone
- (301) 618-5500
- Enumerated
- Feb 20, 2007
- Record last updated
- Feb 10, 2022
- Medicare enrollment
- Enrolled (PECOS I20100831000421); accepts Medicare assignment
- Medical or professional school
- Tufts University School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 1,190 in Maryland → Look up another NPI →
Also registered at 1221 Mercantile LN
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Jacqueline Arthur-Baidoo, PMHNP-BCPsychiatric/Mental Health Nurse Practitioner1235810276
- David Auh, MDFamily Medicine Physician1356752588
- Olufemi Balogun, MDFamily Medicine Physician1194010678
- Folasade Bangali, DPTPhysical Therapist1811394091
Verify Amber J. Marshall in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license DM69194Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
35% more Medicare Part D claims than the average emergency medicine physician in 2024
305 Medicare Part D claims for 213 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass43 claims
- Prednisone38 claims
- Azelastine Hcl29 claims
- Ibuprofen27 claims
- Azithromycin13 claims
- Albuterol Sulfate Hfa12 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).
Amber J. Marshall among 1,190 emergency medicine physician records in Maryland
Amber J. Marshall, MD 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 2007, is newer than 41% of them.
- NPI issued2007 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated2006 · median 2010 among the 571 with a school on file
- Record last updated2022 · 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 Upper Marlboro → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Heather Davis, MDLargo, MD 207741477594059
- Karen Dixon, MDLargo, MD 207741932135761
- Shana Durant, M.D.Upper Marlboro, MD 207741689936239
- Abhinav Gupta, MDLargo, MD 207741407316904
- Bridget Ivery, MDUpper Marlboro, MD 207741639295876
- Melat Lemma, M.D.Upper Marlboro, MD 207741891955217
- Karen Mason, MDUpper Marlboro, MD 207741598858086
- Michelle Mead, M.D.Upper Marlboro, MD 207741689650780
Common questions
What is Amber J. Marshall, MD's NPI number?
Amber J. Marshall, MD's National Provider Identifier (NPI) is 1992840714, issued on Feb 20, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Amber J. Marshall, MD located?
The NPPES record lists a practice address at 1221 Mercantile LN, Upper Marlboro, MD, 20774. Phone: (301) 618-5500. Providers update this record themselves, so call before visiting.
How can I verify Amber J. Marshall, MD's license?
NPPES lists Maryland license number DM69194, 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 Amber J. Marshall, MD prescribe under Medicare Part D?
In 2024, Amber J. Marshall, MD had 305 Medicare Part D claims for 213 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.