KEYSTONE CANCER CENTER
NPI 1831619097
Internal Medicine - Hematology & Oncology in Lancaster, PA
About Keystone Cancer Center NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEYSTONE CANCER CENTER (NPI 1831619097) is a healthcare organization registered as a hematology & oncology in Lancaster, Pennsylvania and active in the NPI registry since June 2017. The organization lists Christopher P. Markley, Sr Vp, Strat Svcs/gen Counsel, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Group Practice 1
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Keystone Cancer Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
466Medicare enrollment records show 466 clinicians reassign Medicare billing to Keystone Cancer Center, which bills Medicare for the services they deliver. Of these, 12 practice at this address and 120 within 10 miles. Listed here are the 20 practicing nearest to this location.
Clinicians by Medicare Specialty 38
Nearest to this location (20)
See all 466Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Pinnacle Health Regional Physicians's NPI number?
The NPI number for Pinnacle Health Regional Physicians is 1831619097. It was assigned to this organization in the NPPES registry on June 20, 2017. The provider is doing business as Keystone Cancer Center.
Where is Pinnacle Health Regional Physicians located?
Pinnacle Health Regional Physicians is located at 233 College Ave Ste 100, Lancaster, PA 17603. The listed phone number is (717) 735-3111.
What is Pinnacle Health Regional Physicians's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Hematology & Oncology, with taxonomy code 207RH0003X.
Is Pinnacle Health Regional Physicians enrolled in Medicare?
Yes. Pinnacle Health Regional Physicians is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Pinnacle Health Regional Physicians?
According to the CMS Revalidation Reassignment List (October 2026 release), 466 clinicians in 38 Medicare specialties reassign their Medicare billing to Pinnacle Health Regional Physicians. A 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 the clinician's services. The largest specialties are Nurse Practitioner (100), Family Practice (69) and Internal Medicine (39). Of these, 12 practice at this address and 120 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
When was this NPI record last updated?
The NPPES record for Pinnacle Health Regional Physicians was last updated on June 20, 2017. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 9 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.
# Keystone Cancer Center · NPI 1831619097
Hematology & Oncology organization in Lancaster, Pennsylvania. Organization record, active in the CMS NPPES registry since June 20, 2017.
## Identity
- **NPI:** 1831619097 (Entity type: Organization)
- **Enumerated:** June 20, 2017
- **Primary specialty:** Internal Medicine - Hematology & Oncology · taxonomy 207RH0003X
- **Legal business name:** Pinnacle Health Regional Physicians
- **Organization subpart:** No
- **Authorized official:** Christopher Markley, SR VP, STRAT SVCS/GEN COUNSEL
## Practice location
- **Address:** 233 COLLEGE AVE STE 100, Lancaster, PA 17603-3372
- **Phone:** (717) 735-3111 · **Fax:** (717) 735-3112
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 466 clinicians in 38 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nurse Practitioner (100), Family Practice (69), Internal Medicine (39); 12 practice at this address and 120 within 10 miles; [full list](https://npiprofile.com/npi/1831619097/clinicians) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 20, 2017
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Source: [NPI Profile](https://npiprofile.com/npi/1831619097) · Data from the CMS NPPES public registry.