LEELYN HOLLOWELL AG-ACNP
NPI 1952769648
Nurse Practitioner - Acute Care in Pittsburgh, PA
About Leelyn Hollowell Ag-acnp NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
LEELYN HOLLOWELL AG-ACNP (NPI 1952769648) is an individual acute care provider in Pittsburgh, Pennsylvania, licensed in Pennsylvania (SP026097) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS, is affiliated with Allegheny General Hospital, and is a graduate of Georgetown University School Of Medicine (2015).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Leelyn Hollowell Ag-acnp 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 Leelyn Hollowell reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Pittsburgh, PA 15212
- Reassigned Medicare billing, Pennsylvania enrollment
- 2,881 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
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.
Allegheny General Hospital
Acute Care Hospitals · Pittsburgh, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15212 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.
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
PITTSBURGH, PA 15212
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 Leelyn Hollowell's NPI number?
The NPI number for Leelyn Hollowell is 1952769648. It was assigned to this individual provider in the NPPES registry on February 9, 2016. The provider is also known as Leelyn Ruth Altmeyer.
Where is Leelyn Hollowell located?
Leelyn Hollowell practices at 320 E North Ave, Pittsburgh, PA 15212. The listed phone number is (412) 359-3350.
What is Leelyn Hollowell's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Acute Care, with taxonomy code 363LA2100X.
Is Leelyn Hollowell enrolled in Medicare?
Yes. Leelyn Hollowell 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 Leelyn Hollowell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Leelyn Hollowell reassigns Medicare benefits to Allegheny Clinic (Pittsburgh, PA). 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 Leelyn Hollowell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Leelyn Hollowell affiliated with any hospitals?
According to CMS data, Leelyn Hollowell is affiliated with Allegheny General Hospital.
When was this NPI record last updated?
The NPPES record for Leelyn Hollowell was last updated on November 1, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Leelyn Hollowell, AG-ACNP · NPI 1952769648
Acute Care physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since February 9, 2016.
## Identity
- **NPI:** 1952769648 (Entity type: Individual)
- **Enumerated:** February 9, 2016
- **Primary specialty:** Nurse Practitioner - Acute Care · taxonomy 363LA2100X
- **State license:** SP026097 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 320 E NORTH AVE, Pittsburgh, PA 15212-4756
- **Phone:** (412) 359-3350 · **Fax:** (412) 359-6494
## 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:** Allegheny Clinic (NPI 1023018447, Pittsburgh, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Georgetown University School Of Medicine, class of 2015
## Record status
- **NPPES last updated:** November 1, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1952769648) · Data from the CMS NPPES public registry.