ALLIANCE PHYSICIAN SERVICES PC
NPI 1922057629
Non-Pharmacy Dispensing Site in Lancaster, PA
About Alliance Physician Services Pc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALLIANCE PHYSICIAN SERVICES PC (NPI 1922057629), doing business as Keystone Urology Specialists, is a healthcare organization registered as a non-pharmacy dispensing site in Lancaster, Pennsylvania and active in the NPI registry since May 2006. The organization holds a CLIA Certificate of Compliance certificate valid through July 3, 2027 and lists Mark Samuel Hockenberry, Physician, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Alliance Physician Services Pc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Clinicians Billing Medicare Through This Organization
14Medicare enrollment records show 14 clinicians reassign Medicare billing to Alliance Physician Services PC, which bills Medicare for the services they deliver. Of these, 11 practice at this address. They are listed nearest first.
Clinicians by Medicare Specialty 3
Clinicians, nearest first (14)
Lancaster, PA 17601
Lancaster, PA 17604
Lancaster, PA 17601
Lancaster, PA 17601
Lancaster, PA 17601
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
CLIA Laboratory Certificates CMS CLIA
Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.
Certificate of Compliance 39D0188598
Keystone Urology Specialists · Lancaster, PAFrequently 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 Alliance Physician Services PC's NPI number?
The NPI number for Alliance Physician Services PC is 1922057629. It was assigned to this organization in the NPPES registry on May 9, 2006. The provider is doing business as Keystone Urology Specialists.
Where is Alliance Physician Services PC located?
Alliance Physician Services PC is located at 2106 Harrisburg Pike Ste 200, Lancaster, PA 17601. The listed phone number is (717) 393-1771.
What is Alliance Physician Services PC's specialty?
The primary specialty registered for this NPI is Non-Pharmacy Dispensing Site with taxonomy code 332900000X.
Is Alliance Physician Services PC enrolled in Medicare?
Yes. Alliance Physician Services PC is registered in the Medicare PECOS enrollment system.
How many clinicians bill Medicare through Alliance Physician Services PC?
According to the CMS Revalidation Reassignment List (October 2026 release), 14 clinicians in 3 Medicare specialties reassign their Medicare billing to Alliance Physician Services PC. 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 Urology (9), Nurse Practitioner (4) and Radiation Oncology (1). Of these, 11 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Does Alliance Physician Services PC hold a CLIA laboratory certificate?
Yes. A Certificate of Compliance (number 39D0188598) is associated with this NPI, valid through July 3, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.
What insurance does Alliance Physician Services PC accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Absolute Total Care, Ambetter from Arkansas Health & Wellness and Ambetter from Buckeye Health Plan and 35 other insurers list Alliance Physician Services PC 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.
When was this NPI record last updated?
The NPPES record for Alliance Physician Services PC was last updated on September 17, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 46 days 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.
# Alliance Physician Services Pc · NPI 1922057629
Non-Pharmacy Dispensing Site organization in Lancaster, Pennsylvania. Organization record, active in the CMS NPPES registry since May 9, 2006.
## Identity
- **NPI:** 1922057629 (Entity type: Organization)
- **Enumerated:** May 9, 2006
- **Primary specialty:** Non-Pharmacy Dispensing Site · taxonomy 332900000X
- **Also known as:** Keystone Urology Specialists (Doing Business As)
- **Organization subpart:** No
- **Authorized official:** Mark Hockenberry, PHYSICIAN
## Practice location
- **Address:** 2106 HARRISBURG PIKE STE 200, Lancaster, PA 17601-2644
- **Phone:** (717) 393-1771 · **Fax:** (717) 393-2782
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Clinicians billing through this organization:** 14 clinicians in 3 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Urology (9), Nurse Practitioner (4), Radiation Oncology (1); 11 practice at this address · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** September 17, 2026
- **Other identifiers:** Medicaid 000696167 (PA)
- **CLIA laboratory certificates:** 1 on file
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Source: [NPI Profile](https://npiprofile.com/npi/1922057629) · Data from the CMS NPPES public registry.