Stewart Karr, MD
Diagnostic Radiology Physician · Silver Spring, MD
Stewart Karr, MD is a diagnostic radiology physician with a practice address in Silver Spring, Maryland, and NPI 1477567022, issued on Jul 28, 2006. Check the license (Maryland D0035868, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Stewart Karr
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- D0035868 MD
Self-reported in NPPES; status is on the state search - Practice location
- 2121 Medical Park Drive, Silver Spring, MD 20902
- Phone
- (501) 681-3003
- Enumerated
- Jul 28, 2006
- Entity
- Type 1 · individual
Also registered at 2121 Medical Park Drive
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Wayne Hwang, MDDiagnostic Radiology Physician1104843887
- Arman Moshyedi, MDDiagnostic Radiology Physician1649284209
- Anil Narang, DODiagnostic Radiology Physician1710991377
- Sameer Pandit, M.D.Diagnostic Radiology Physician1003833781
- Robert Zimmermann, MDDiagnostic Radiology Physician1639196322
- Ryan Zucker, MDDiagnostic Radiology Physician1487676060
Verify Stewart Karr in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0035868Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS, AOA, NCCPA, AANPNot checked
Industry payments in 2024: $70.57
1 payment, mostly food and beverage; the largest payer was Cook Medical LLC. The 8,130 providers of this specialty with any payment received $3,224.15 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
2 hospital and facility affiliations
- Blackwell Physicians, LLCSilver Spring, MD
- Diagnostic Medical Imaging PASilver Spring, MD
Source: CMS Doctors and Clinicians affiliations; Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Diagnostic Radiology Physician providers in Maryland
There are 770 diagnostic radiology physician records in Maryland.
Other diagnostic radiology physician records in Maryland
- Robert Abbott, MDBaltimore, MD1427094846
- Amir Abdelmalik, MDBaltimore, MD1093967390
- Laurie Abrams, M.D.Owings Mills, MD1184622615
- George Adams, M.D.Annapolis, MD1407858350
- Rizwana Afzal, M.D.Frederick, MD1144330101
- Artin Aharonian, M.D.Silver Spring, MD1992740187
- Ghasan Ahmad, MDBaltimore, MD1093004939
- Ayahallah AhmedBaltimore, MD1295397214
- Imran Ahmed, D.OBaltimore, MD1003202664
- Nabid AhmedBaltimore, MD1104404094
Common questions
What is Stewart Karr, MD's NPI number?
Stewart Karr, MD's National Provider Identifier (NPI) is 1477567022, issued on Jul 28, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Stewart Karr, MD located?
The NPPES record lists a practice address at 2121 Medical Park Drive, Silver Spring, MD, 20902. Phone: (501) 681-3003. Providers update this record themselves, so call before visiting.
How can I verify Stewart Karr, MD's license?
NPPES lists Maryland license number D0035868, 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.
Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.
Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.