LESLIE LYNN RANEK ARNP
NPI 1013297753
Nurse Practitioner - Family in Baltimore, MD
About Leslie Lynn Ranek Arnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LESLIE LYNN RANEK ARNP (NPI 1013297753) is an individual family provider in Baltimore, Maryland, licensed in Maryland (R203820) and active in the NPI registry since August 2011. She is enrolled in Medicare PECOS, is affiliated with University Of Maryland Medical Center, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 4
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
Leslie Lynn Ranek Arnp 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 Leslie Ranek 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
- Medicare enrollment name: University Of Maryland Physicians PA
- 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 3
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.
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 Leslie Ranek's NPI number?
The NPI number for Leslie Ranek is 1013297753. It was assigned to this individual provider in the NPPES registry on August 25, 2011.
Where is Leslie Ranek located?
Leslie Ranek practices at 22 S Greene St, Baltimore, MD 21201. The listed phone number is (410) 328-8229.
What is Leslie Ranek's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Leslie Ranek enrolled in Medicare?
Yes. Leslie Ranek 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 Leslie Ranek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leslie Ranek reassigns Medicare benefits to University Of Maryland Physicians P.A. (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 Leslie Ranek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Leslie Ranek affiliated with any hospitals?
According to CMS data, Leslie Ranek is affiliated with University Of Maryland Medical Center.
When was this NPI record last updated?
The NPPES record for Leslie Ranek was last updated on July 25, 2014. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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.
# Leslie Lynn Ranek, ARNP · NPI 1013297753
Family physician in Baltimore, Maryland. Individual provider, active in the CMS NPPES registry since August 25, 2011.
## Identity
- **NPI:** 1013297753 (Entity type: Individual)
- **Enumerated:** August 25, 2011
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** R203820 (Maryland)
- **Sole proprietor:** No
## Practice location
- **Address:** 22 S GREENE ST, Baltimore, MD 21201-1544
- **Phone:** (410) 328-8229
## 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 P.A. (NPI 1699725408, Baltimore, MD), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** July 25, 2014
- **Other identifiers:** Medicaid 335451200 (MD); Other S062-5007 (MD); Medicare PIN P01321844 (MD); and 1 more
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Source: [NPI Profile](https://npiprofile.com/npi/1013297753) · Data from the CMS NPPES public registry.