Norman F. Retener, MD
Internal Medicine Physician · Baltimore, MD
Norman F. Retener, MD is an internal medicine physician with a practice address in Baltimore, Maryland, and NPI 1326183005, issued on Feb 21, 2007. Check the license (Maryland D69153, as entered in NPPES) on the Maryland Board of Physicians; the Medicare figures below come from public CMS files.
- Name
- Norman F. Retener
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- D69153 MD
Self-reported in NPPES; status is on the state search - Practice location
- 22 S Greene St, Baltimore, MD 21201
- Phone
- (410) 328-2882
- Enumerated
- Feb 21, 2007
- Record last updated
- Aug 13, 2010 (not updated in 16 years: call before relying on the address or phone)
- Fax
- (410) 328-7607
- Medicaid ID
- 325104700 MD
- Medicare enrollment
- Enrolled (PECOS I20100728001081); accepts Medicare assignment
- Medical or professional school
- University Of Maryland School Of Medicine, 2006
- Entity
- Type 1 · individual
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Verify Norman F. Retener in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMaryland Board of Physicians
Search for license D69153Check 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
- University OF Maryland Physicians PABaltimore, MD
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Norman F. Retener among 3,904 internal medicine physician records in Maryland
Norman F. Retener, MD is one of 3,904 internal medicine physician records with a practice address in Maryland. 77% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 45% of them.
- NPI issued2007 · 45% of these records are older, 44% newer
- In a Medicare fileYes · 77% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2006 · median 2003 among the 2,445 with a school on file
- Record last updated2010 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Maryland practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,278 internal medicine physician records list a practice address in Baltimore
They are 1,278 of the 35,183 NPPES records with a practice address in Baltimore, and 3,904 internal medicine physician records in Maryland.
All 3,904 in Maryland → Every provider in Baltimore → Internal Medicine Physician nationwide →
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Common questions
What is Norman F. Retener, MD's NPI number?
Norman F. Retener, MD's National Provider Identifier (NPI) is 1326183005, issued on Feb 21, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Norman F. Retener, MD located?
The NPPES record lists a practice address at 22 S Greene St, Baltimore, MD, 21201. Phone: (410) 328-2882. Providers update this record themselves, so call before visiting.
How can I verify Norman F. Retener, MD's license?
NPPES lists Maryland license number D69153, 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. 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.