ROSEMARY A LEEMING MD
NPI 1346266905
Surgery - Surgical Oncology in Danville, PA
About Rosemary A Leeming Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ROSEMARY A LEEMING MD (NPI 1346266905) is an individual surgical oncology provider in Danville, Pennsylvania, licensed in Pennsylvania (MD450582) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Geisinger Medical Center, and is a graduate of Hahnemann University College Of Medicine (1983).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 9
Accepted Insurance
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
Rosemary A Leeming 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 Rosemary Leeming reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Danville, PA 17822
- Reassigned Medicare billing, Pennsylvania enrollment
- 4,429 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.
Geisinger Medical Center
Acute Care Hospitals · Danville, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 17822 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.
DANVILLE, PA 17822
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 Rosemary Leeming's NPI number?
The NPI number for Rosemary Leeming is 1346266905. It was assigned to this individual provider in the NPPES registry on July 15, 2006.
Where is Rosemary Leeming located?
Rosemary Leeming practices at 100 N Academy Ave, Danville, PA 17822. The listed phone number is (570) 271-6361.
What is Rosemary Leeming's specialty?
The primary specialty registered for this NPI is Surgery, specializing in Surgical Oncology, with taxonomy code 2086X0206X.
Is Rosemary Leeming enrolled in Medicare?
Yes. Rosemary Leeming 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 Rosemary Leeming's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rosemary Leeming reassigns Medicare benefits to Geisinger Clinic (Danville, 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 Rosemary Leeming's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rosemary Leeming accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Rosemary Leeming as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Rosemary Leeming affiliated with any hospitals?
According to CMS data, Rosemary Leeming is affiliated with Geisinger Medical Center.
When was this NPI record last updated?
The NPPES record for Rosemary Leeming was last updated on August 21, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Rosemary A Leeming, MD · NPI 1346266905
Surgical Oncology physician in Danville, Pennsylvania. Individual provider, active in the CMS NPPES registry since July 15, 2006.
## Identity
- **NPI:** 1346266905 (Entity type: Individual)
- **Enumerated:** July 15, 2006
- **Primary specialty:** Surgery - Surgical Oncology · taxonomy 2086X0206X
- **State license:** MD450582 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 100 N ACADEMY AVE, Danville, PA 17822-2170
- **Phone:** (570) 271-6361 · **Fax:** (570) 271-5785
## 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:** Geisinger Clinic (NPI 1043405897, Danville, PA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Hahnemann University College Of Medicine, class of 1983
## Record status
- **NPPES last updated:** August 21, 2020
- **Other identifiers:** Medicaid 0660842 (OH); Medicaid 1028874560001 (PA); Other 000000221412 (OH); and 6 more
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Source: [NPI Profile](https://npiprofile.com/npi/1346266905) · Data from the CMS NPPES public registry.