Byung Ahn, MD
Psychiatry Physician · Baltimore, MD
Byung Ahn, MD is a psychiatry physician with a practice address in Baltimore, Maryland, and NPI 1821097015, issued on Jul 19, 2005. Check the license (Maryland D16574, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Byung Ahn
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- D16574 MD
Self-reported in NPPES; status is on the state search - Practice location
- 3700 Fleet St., Baltimore, MD 21224
- Phone
- (410) 558-4900
- Enumerated
- Jul 19, 2005
- Record last updated
- Dec 19, 2012 (not updated in 14 years: call before relying on the address or phone)
- Fax
- (410) 522-1475
- Entity
- Type 1 · individual
Also registered at 3700 Fleet St.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Priya Little, M.D.Family Medicine Physician1740511468
Verify Byung Ahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D16574Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average psychiatry physician in 2024
61 Medicare Part D claims, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Clonazepam12 claims
- Hydroxyzine Pamoate12 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.
497 psychiatry physician records list a practice address in Baltimore
They are 497 of the 35,183 NPPES records with a practice address in Baltimore, and 1,451 psychiatry physician records in Maryland.
All 497 in Baltimore → All 1,451 in Maryland → Every provider in Baltimore →
Other psychiatry physician records in Maryland
- Hina Aamir, M.D.Aberdeen, MD1376777979
- Scott Aaronson, M.D.Baltimore, MD1376610790
- Archil Abashidze, MDGlen Burnie, MD1891717757
- Muhammad Abbas, M.D.Sykesville, MD1801898168
- Safiyyah Abdul Rahman, MDBaltimore, MD1669691416
- Eapen Abraham, M. D.Perry Point, MD1467415521
- Vinod AbrahamHollywood, MD1457438350
- Scott AbrahamsonHagerstown, MD1710515465
- Somya Abubucker, MDBaltimore, MD1033508361
- Elia Acevedo Diaz, M.DGaithersburg, MD1750720553
Common questions
What is Byung Ahn, MD's NPI number?
Byung Ahn, MD's National Provider Identifier (NPI) is 1821097015, issued on Jul 19, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Byung Ahn, MD located?
The NPPES record lists a practice address at 3700 Fleet St., Baltimore, MD, 21224. Phone: (410) 558-4900. Providers update this record themselves, so call before visiting.
How can I verify Byung Ahn, MD's license?
NPPES lists Maryland license number D16574, 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 Byung Ahn, MD prescribe under Medicare Part D?
In 2024, Byung Ahn, MD had 61 Medicare Part D claims; the average among psychiatry physician prescribers was 1,000. 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.