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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ALLIANCE PHYSICIAN SERVICES PC
NPI 1922057629
Non-Pharmacy Dispensing Site in Lancaster, PA

Active since May 09, 2006CLIA 39D0188598 · Certificate of Compliance
2106 HARRISBURG PIKE STE 200, LANCASTER, PA 17601(717) 393-1771(717) 393-2782 Get Directions Write a Review

NPPES record last updated: September 17, 2026. Verified against the NPPES registry weekly; last sync: September 20, 2026.

Record update history: Sep 17, 2026, Dec 11, 2020 (2 updates tracked since 2020).

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

NPI1922057629
Entity TypeOrganization
Primary Taxonomy332900000X
Legal Business NameALLIANCE PHYSICIAN SERVICES PC
Location Address2106 HARRISBURG PIKE STE 200Lancaster, PA 17601-2644
Mailing AddressPo Box 3200Lancaster, PA 17604-3200 · (717) 393-1771 · Fax (717) 393-2782
Phone(717) 393-1771
Fax(717) 393-2782
Organization SubpartNo
Authorized OfficialMark Samuel HockenberryPhysician · (717) 393-1771
Enumeration DateMay 9, 2006
Last NPPES UpdateSeptember 17, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 17, 2026
✔ NPI 1922057629 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNon-Pharmacy Dispensing SiteSuppliers
Taxonomy Code332900000X
Definition
A site other than a pharmacy that dispenses medicinal preparations under the supervision of a physician to patients for self-administration. (e.g. physician offices, ER, Urgent Care Centers, Rural Health Facilities, etc.)
2106 HARRISBURG PIKE STE 200, Lancaster, PA 17601
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Other Names 1

Doing Business AsKeystone Urology Specialists

Other Identifiers 1

Medicaid000696167PA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Absolute Total Care, Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness and more.Insurance ›

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, PA
Active · expires Jul 3, 2027
CLIA Number39D0188598
Laboratory TypePhysician Office
Certificate Effective DateJuly 4, 2025
Certificate Expiration DateJuly 3, 2027
Laboratory DirectorDr. Paul R. Sieber
Laboratory Phone(717) 393-1771
Laboratory LocationKeystone Urology Specialists2106 Harrisburg Pike Suite 200, Lancaster, PA 17604
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory after an inspection that finds the laboratory to be in compliance with all applicable CLIA requirements.

Other Providers at the Same Location NPPES 15

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

MRS. KATIE E. BUTLER P.A.
Physician Assistant
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 393-1771
BETHANY ANN ARBOGAST PA-C
Physician Assistant
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 393-1771
ALEXANDRA POOLSON LUCAS PA-C
Physician Assistant
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 628-3725
ALLIANCE PHYSICIAN SERVICES, PC
Urology
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 393-1771
LANCASTER UROLOGY PC
Urology
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 723-4579
ISAAC MOHR PA-C
Physician Assistant (Medical)
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 393-1771
MR. GEOFFREY STEVEN GAUNAY M.D.
Urology
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 393-1771
MR. RICHARD N. BYRD III CRNP
Nurse Practitioner (Family)
2106 HARRISBURG PIKE STE 200
LANCASTER, PA 17601
Lancaster County (717) 393-1771

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 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.

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 Arizona Complete Health and Ambetter from Arkansas Health & Wellness and 34 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 5 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.