Marcel I. Horowitz, M. D.
Urology Physician · Baltimore, MD
Marcel I. Horowitz, M. D. is a urology physician with a practice address in Baltimore, Maryland, and NPI 1003079047, issued on Jul 9, 2008. Check the license (Maryland D0058217, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Marcel I. Horowitz
- Credential
- M. D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- D0058217 MD
Self-reported in NPPES; status is on the state search - Practice location
- 838 N Eutaw St, Baltimore, MD 21201
- Phone
- (410) 523-2150
- Enumerated
- Jul 9, 2008
- Record last updated
- Jul 9, 2008 (not updated in 18 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
Also registered at 838 N Eutaw St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jennifer Dukes, CRNPNurse Practitioner1841568904
Verify Marcel I. Horowitz in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D0058217Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Urology Physician providers in Maryland
There are 311 urology physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
Other urology physician records in Maryland
- Leslie Abramowitz, M.D.Baltimore, MD1255388690
- Harbhajan Ajrawat, MDGreenbelt, MD1205883881
- Christen Alevizatos, M.D.Baltimore, MD1154376325
- Harold Alfert, M.D.Baltimore, MD1316901903
- Mohamad Allaf, M.D.Baltimore, MD1619912243
- Matthew Allaway, DOCumberland, MD1386750057
- Jordan Angell, MDWestminster, MD1306021076
- Marc Applestein, M.D.Columbia, MD1679511620
- Natalia Arias Villela, MDTowson, MD1699279927
- Barry Aron, MDRockville, MD1760495261
Common questions
What is Marcel I. Horowitz, M. D.'s NPI number?
Marcel I. Horowitz, M. D.'s National Provider Identifier (NPI) is 1003079047, issued on Jul 9, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Marcel I. Horowitz, M. D. located?
The NPPES record lists a practice address at 838 N Eutaw St, Baltimore, MD, 21201. Phone: (410) 523-2150. Providers update this record themselves, so call before visiting.
How can I verify Marcel I. Horowitz, M. D.'s license?
NPPES lists Maryland license number D0058217, 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), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. 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.