HealthCareAtlasUSA

This site republishes official CMS/Medicare Care Compare data. It is not medical advice and does not recommend any specific hospital or treatment — for medical decisions, talk to a doctor.

Doctors / PA

STEVEN THOMAS SIEBER, PA

PHYSICIAN ASSISTANT

Graduated: 2019

NPI: 1922651363

Practice Locations (7)

ALLEGHENY CLINIC

1001 9TH AVE

BRACKENRIDGE, PA 150141107

4123598850

ALLEGHENY CLINIC

6321 ROUTE 30

GREENSBURG, PA 156019704

ALLEGHENY CLINIC

6321 RTE, 30 SUITE 200

GREENSBURG, PA 156019704

4125781212

ALLEGHENY CLINIC

6321 STATE ROUTE 30, SUITE 200

GREENSBURG, PA 156019704

4123731600

ALLEGHENY CLINIC

2570 HAYMAKER RD

MONROEVILLE, PA 151463513

4123596656

ALLEGHENY CLINIC

4800 FRIENDSHIP AVE

PITTSBURGH, PA 152241722

ALLEGHENY CLINIC

701 BROAD ST, SUITE 431

SEWICKLEY, PA 151431652

4127410966

Source: CMS National Downloadable File, September 2026.