Hyo Seung Ahn, M.D.
Diagnostic Radiology Physician · Owings Mills, MD
Hyo Seung Ahn, M.D. is a diagnostic radiology physician with a practice address in Owings Mills, Maryland, and NPI 1730152380, issued on Feb 13, 2006. Check the license (Maryland D0025839, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Hyo Seung Ahn
- Credential
- M.D.
- Primary taxonomy
- Diagnostic Radiology Physician 2085R0202X
- License numbers
- D0025839 MD
MD044797 DC
Self-reported in NPPES; status is on the state search - Practice location
- 21 Crossroads Dr, Owings Mills, MD 21117
- Phone
- (410) 356-8186
- Enumerated
- Feb 13, 2006
- Record last updated
- Jul 20, 2023
- Fax
- (410) 356-4180
- Medicaid ID
- 3172521900 MD
- Entity
- Type 1 · individual
8 nearest diagnostic radiology physician records → All 877 in Maryland → Look up another NPI →
Also registered at 21 Crossroads Dr
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Laurie Abrams, M.D.Diagnostic Radiology Physician1184622615
- Sungkee Ahn, M.D.Diagnostic Radiology Physician1346211877
- Basem Azar, M.D.Diagnostic Radiology Physician1407827983
- Joan Bennett, M.D.Diagnostic Radiology Physician1598736357
- Wendie BergDiagnostic Radiology Physician1841203676
- Joan Berkowitz, M.D.Diagnostic Radiology Physician1548232986
Verify Hyo Seung Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0025839Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
No measured MIPS final score for 2023
CMS assigned the neutral MIPS final score of 75 without scoring Quality, Cost, Promoting Interoperability or Improvement Activities. It is an administrative threshold, so PlainDoctor does not compare it with measured clinicians.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Hyo Seung Ahn among 877 diagnostic radiology physician records in Maryland
Hyo Seung Ahn, M.D. is one of 877 diagnostic radiology physician records with a practice address in Maryland. 72% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 8% of them.
- NPI issued2006 · 8% of these records are older, 50% newer
- In a Medicare fileYes · 72% of these records are
- In the CMS Doctors and Clinicians fileNo · 69% of these records are
- Record last updated2023 · 57% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0202X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
43 diagnostic radiology physician records list a practice address in Owings Mills
They are 43 of the 1,586 NPPES records with a practice address in Owings Mills, and 877 diagnostic radiology physician records in Maryland.
All 877 in Maryland → Every provider in Owings Mills → Diagnostic Radiology Physician nationwide →
The 8 diagnostic radiology physician records with the nearest ZIP codes
- Laurie Abrams, M.D.Owings Mills, MD 211171184622615
- Sungkee Ahn, M.D.Owings Mills, MD 211171346211877
- Basem Azar, M.D.Owings Mills, MD 211171407827983
- Joan Bennett, M.D.Owings Mills, MD 211171598736357
- Joan Berkowitz, M.D.Owings Mills, MD 211171548232986
- David Blanton, M.D.Owings Mills, MD 211171306817218
- Victor Bracey, M.D.Owings Mills, MD 211171316919772
- Thomas Brennan, M.D.Owings Mills, MD 211171720059405
Common questions
What is Hyo Seung Ahn, M.D.'s NPI number?
Hyo Seung Ahn, M.D.'s National Provider Identifier (NPI) is 1730152380, issued on Feb 13, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Hyo Seung Ahn, M.D. located?
The NPPES record lists a practice address at 21 Crossroads Dr, Owings Mills, MD, 21117. Phone: (410) 356-8186. Providers update this record themselves, so call before visiting.
How can I verify Hyo Seung Ahn, M.D.'s license?
NPPES lists Maryland license number D0025839, 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 Hyo Seung Ahn, M.D.'s MIPS final score?
CMS assigned the neutral MIPS final score of 75 for 2023 without scoring any category, so it is not a measured result.
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.