Caleb P. Nelson, M.D.
Urology Physician · Baltimore, MD
Caleb P. Nelson, M.D. is a urology physician with a practice address in Baltimore, Maryland, and NPI 1487676003, issued on Jul 24, 2006. Check the license on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Caleb P. Nelson
- Credential
- M.D.
- Primary taxonomy
- Urology Physician 208800000X
- License number
- 227359 MA
Self-reported in NPPES; status is on the state search - Practice location
- 149 Johns Hopkins Hospital Marburg, Baltimore, MD 21287
- Phone
- (410) 955-5358
- Enumerated
- Jul 24, 2006
- Record last updated
- Sep 23, 2011 (not updated in 15 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20070316000372); may accept Medicare assignment
- Medical or professional school
- Duke University School Of Medicine, 1997
- Entity
- Type 1 · individual
Verify Caleb P. Nelson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of PhysiciansCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Children's Urological FoundationBoston, MA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Urology Physician providers in Maryland
There are 311 urology physician records in Maryland.
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 Caleb P. Nelson, M.D.'s NPI number?
Caleb P. Nelson, M.D.'s National Provider Identifier (NPI) is 1487676003, issued on Jul 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Caleb P. Nelson, M.D. located?
The NPPES record lists a practice address at 149 Johns Hopkins Hospital Marburg, Baltimore, MD, 21287. Phone: (410) 955-5358. Providers update this record themselves, so call before visiting.
How can I verify Caleb P. Nelson, M.D.'s license?
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. 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.