Joel I. Brenner, M.D.
Pediatrics Physician · Baltimore, MD
Joel I. Brenner, M.D. is a pediatrics physician with a practice address in Baltimore, Maryland, and NPI 1477511533, issued on May 1, 2006. Check the license (Maryland D17850, as entered in NPPES) on the Maryland Board of Physicians; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- Joel I. Brenner
- Credential
- M.D.
- Primary taxonomy
- Pediatrics Physician 208000000X
- License number
- D17850 MD
Self-reported in NPPES; status is on the state search - Practice location
- 601 N Caroline St, Baltimore, MD 21287
- Phone
- (410) 955-5910
- Enumerated
- May 1, 2006
- Record last updated
- Mar 21, 2012 (not updated in 14 years: call before relying on the address or phone)
- Medicaid ID
- 986131900 MD
- Entity
- Type 1 · individual
8 nearest pediatrics physician records → All 1,842 in Maryland → Look up another NPI →
Also registered at 601 N Caroline St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Joel I. Brenner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D17850Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Joel I. Brenner among 1,842 pediatrics physician records in Maryland
Joel I. Brenner, M.D. is one of 1,842 pediatrics physician records with a practice address in Maryland. 35% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2006, is newer than 9% of them.
- NPI issued2006 · 9% of these records are older, 51% newer
- In a Medicare fileNo · 35% of these records are
- In the CMS Doctors and Clinicians fileNo · 9% of these records are
- Record last updated2012 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208000000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
522 pediatrics physician records list a practice address in Baltimore
They are 522 of the 35,183 NPPES records with a practice address in Baltimore, and 1,842 pediatrics physician records in Maryland. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 1,842 in Maryland → Every provider in Baltimore → Pediatrics Physician nationwide →
The 8 pediatrics physician records with the nearest ZIP codes
- Hoover Adger, M.D.Baltimore, MD 212871265495949
- Marilee Allen, M.D.Baltimore, MD 212871861457350
- Brian Alverson, MDBaltimore, MD 212871841244399
- Jennifer Anders, M.D.Baltimore, MD 212871821052184
- Tina Cheng, M.D.Baltimore, MD 212871164471041
- Jeffrey Keefer, M.D.Baltimore, MD 212871528015708
- Julia McMillan, M.D.Baltimore, MD 212871225088578
- Marlene Miller, M.D.Baltimore, MD 212871245280296
Common questions
What is Joel I. Brenner, M.D.'s NPI number?
Joel I. Brenner, M.D.'s National Provider Identifier (NPI) is 1477511533, issued on May 1, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joel I. Brenner, M.D. located?
The NPPES record lists a practice address at 601 N Caroline St, Baltimore, MD, 21287. Phone: (410) 955-5910. Providers update this record themselves, so call before visiting.
How can I verify Joel I. Brenner, M.D.'s license?
NPPES lists Maryland license number D17850, 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.