DR. STEPHEN ALLEN BOWSER M.D.
NPI 1598737355
Internal Medicine - Cardiovascular Disease in Greensburg, PA
About Dr. Stephen Allen Bowser M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. STEPHEN ALLEN BOWSER M.D. (NPI 1598737355) is an individual cardiovascular disease provider in Greensburg, Pennsylvania, licensed in Pennsylvania (MD053919L) and active in the NPI registry since February 2006. He is enrolled in Medicare PECOS, is affiliated with Magee Womens Hospital Of Upmc Health System, and is a graduate of University Of Pittsburgh School Of Medicine (1992).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
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
Dr. Stephen Allen Bowser M.d. 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 Reassignments
2Medicare enrollment records show Stephen Bowser reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Greensburg, PA 15601
- Reassigned Medicare billing, Pennsylvania enrollment
- 669 clinicians in this Medicare group
Pittsburgh, PA 15235
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 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 18
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 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Magee Womens Hospital Of Upmc Health System
Acute Care Hospitals · Pittsburgh, PAExcela Health Westmoreland Regional Hospital
Acute Care Hospitals · Greensburg, PAUpmc Presbyterian Shadyside
Acute Care Hospitals · Pittsburgh, PAExcela Health - Frick Hospital
Acute Care Hospitals · Mount Pleasant, PAExcela Health Latrobe Hospital
Acute Care Hospitals · Latrobe, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15601 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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.
GREENSBURG, PA 15601
GREENSBURG, PA 15601
GREENSBURG, PA 15601
GREENSBURG, PA 15601
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 Stephen Bowser's NPI number?
The NPI number for Stephen Bowser is 1598737355. It was assigned to this individual provider in the NPPES registry on February 6, 2006.
Where is Stephen Bowser located?
Stephen Bowser practices at 44 S Washington Ave, Greensburg, PA 15601. The listed phone number is (724) 836-1862.
What is Stephen Bowser's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Cardiovascular Disease, with taxonomy code 207RC0000X.
Is Stephen Bowser enrolled in Medicare?
Yes. Stephen Bowser 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 organizations bill Medicare for Stephen Bowser's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Bowser reassigns Medicare benefits to 2 organizations: Excela Health Physician Practices, Inc. (Greensburg, PA) and University Of Pittsburgh Physicians (Pittsburgh, PA). Each 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 Stephen Bowser's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Stephen Bowser accept?
Health plans from Ambetter Health, Ambetter Health of Delaware and Ambetter from Buckeye Health Plan list Stephen Bowser 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 Stephen Bowser affiliated with any hospitals?
According to CMS data, Stephen Bowser is affiliated with Magee Womens Hospital Of Upmc Health System, Excela Health Westmoreland Regional Hospital, Upmc Presbyterian Shadyside, Excela Health - Frick Hospital and Excela Health Latrobe Hospital.
When was this NPI record last updated?
The NPPES record for Stephen Bowser was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.