NORMAN F. RETENER MD
NPI 1326183005
Internal Medicine in Baltimore, MD
About Norman F. Retener Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NORMAN F. RETENER MD (NPI 1326183005) is an individual internal medicine provider in Baltimore, Maryland, licensed in Maryland (D69153) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of University Of Maryland School Of Medicine (2006).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Norman F. Retener Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Norman Retener reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Baltimore, MD 21201
- Reassigned Medicare billing, Maryland enrollment
- 614 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
University Of Maryland Medical Center
Acute Care Hospitals · Baltimore, MDPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 21201 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims 4
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
BALTIMORE, MD 21201
BALTIMORE, MD 21201
BALTIMORE, MD 21201
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Norman Retener's NPI number?
The NPI number for Norman Retener is 1326183005. It was assigned to this individual provider in the NPPES registry on February 21, 2007.
Where is Norman Retener located?
Norman Retener practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-2882.
What is Norman Retener's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Norman Retener enrolled in Medicare?
Yes. Norman Retener is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Norman Retener's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Norman Retener reassigns Medicare benefits to University Of Maryland Physicians PA (Baltimore, MD). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Norman Retener's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Norman Retener affiliated with any hospitals?
According to CMS data, Norman Retener is affiliated with University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Norman Retener was last updated on August 13, 2010. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Norman F. Retener, MD · NPI 1326183005
Internal Medicine physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since February 21, 2007.
## Identity
- **NPI:** 1326183005 (Entity type: Individual)
- **Enumerated:** February 21, 2007
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** D69153 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-2882 · **Fax:** (410) 328-7607
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** University Of Maryland Physicians PA (NPI 1043262579, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Maryland School Of Medicine, class of 2006
## Record status
- **NPPES last updated:** August 13, 2010
- **Other identifiers:** Medicare PIN 183384Y1P (MD); Medicaid 325104700 (MD)
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Source: [NPI Profile](https://npiprofile.com/npi/1326183005) · Data from the CMS NPPES public registry.