Alexander H. Macarthur, MD
Diagnostic Radiology Physician · Columbia, MD
Alexander H. Macarthur, MD is a diagnostic radiology physician with a practice address in Columbia, Maryland, and NPI 1033344106, issued on May 19, 2009. Check the license (Maryland D0074849, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Alexander H. Macarthur
- Credential
- MD
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License number
- D0074849 MD
Self-reported in NPPES; status is on the state search - Practice location
- 8820 Columbia 100 Pkwy Ste 100, Columbia, MD 21045
- Phone
- (410) 298-0454
- Enumerated
- May 19, 2009
- Record last updated
- Jul 21, 2022
- Fax
- (301) 694-2606
- Medicare enrollment
- Enrolled (PECOS I20150610000687); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2009
- Entity
- Type 1 · individual
Also registered at 8820 Columbia 100 Pkwy Ste 100
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Tianbo Ren, MDDiagnostic Radiology Physician1184855223
Verify Alexander H. Macarthur in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0074849Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
The MIPS final score for 2023 (Medicare payment program): 0 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Bills Medicare through one group practice
- Advanced Radiology P AWestminster, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diagnostic Radiology Physician providers in Maryland
There are 877 diagnostic radiology physician records in Maryland.
Other diagnostic radiology physician records in Maryland
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- Moustafa Abou Areda, MDAnnapolis, MD1265978639
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- George Adams, M.D.Annapolis, MD1407858350
- Nebiyu Adenaw, M.D.Baltimore, MD1225458557
- Rizwana Afzal, M.D.Frederick, MD1144330101
- Senayet Agonafer, M.D.Baltimore, MD1477849412
- Artin Aharonian, M.D.Silver Spring, MD1992740187
- Ghasan Ahmad, MDBaltimore, MD1093004939
Common questions
What is Alexander H. Macarthur, MD's NPI number?
Alexander H. Macarthur, MD's National Provider Identifier (NPI) is 1033344106, issued on May 19, 2009. An NPI identifies a provider in billing; it is not a license.
Where is Alexander H. Macarthur, MD located?
The NPPES record lists a practice address at 8820 Columbia 100 Pkwy Ste 100, Columbia, MD, 21045. Phone: (410) 298-0454. Providers update this record themselves, so call before visiting.
How can I verify Alexander H. Macarthur, MD's license?
NPPES lists Maryland license number D0074849, 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.
What is Alexander H. Macarthur, MD's MIPS final score?
The 2023 MIPS final score is 0 of 100. The average among 454,083 clinicians with a measured score was 83.5.
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.