ALEX MARSHAL TRZEBUCKI MD
NPI 1114269594
Internal Medicine - Infectious Disease in Pittsburgh, PA
About Alex Marshal Trzebucki Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ALEX MARSHAL TRZEBUCKI MD (NPI 1114269594) is an individual infectious disease provider in Pittsburgh, Pennsylvania, licensed in Kansas (TW00695) and active in the NPI registry since March 2013. He is enrolled in Medicare PECOS, is affiliated with Upmc Chautauqua At Wca, and maintains 11 additional practice locations.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Locations 11
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
Alex Marshal Trzebucki Md 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
13Medicare enrollment records show Alex Trzebucki reassigns Medicare billing to 13 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Pittsburgh, PA 15213
- Reassigned Medicare billing, Pennsylvania enrollment
- 7,114 clinicians in this Medicare group
Meadville, PA 16335
- Reassigned Medicare billing, Pennsylvania enrollment
- 41 clinicians in this Medicare group
State College, PA 16803
- Reassigned Medicare billing, Pennsylvania enrollment
- 393 clinicians in this Medicare group
Jamestown, NY 14701
- Reassigned Medicare billing, New York enrollment
- 233 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 386 clinicians in this Medicare group
Winchester, VA 22601
- Reassigned Medicare billing, Virginia enrollment
- 756 clinicians in this Medicare group
Williamsport, PA 17701
- Reassigned Medicare billing, Pennsylvania enrollment
- 4 clinicians in this Medicare group
Silver Springs, NY 14550
- Reassigned Medicare billing, New York enrollment
- Medicare enrollment name: Wyoming County
- 76 clinicians in this Medicare group
Philadelphia, PA 19131
- Reassigned Medicare billing, Pennsylvania enrollment
- 1,205 clinicians in this Medicare group
Raleigh, NC 27610
- Reassigned Medicare billing, North Carolina enrollment
- 182 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
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 2
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Upmc Chautauqua At Wca
Acute Care Hospitals · Jamestown, NYUpmc Altoona
Acute Care Hospitals · Altoona, PAPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 15213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
PITTSBURGH, PA 15213
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 Alex Trzebucki's NPI number?
The NPI number for Alex Trzebucki is 1114269594. It was assigned to this individual provider in the NPPES registry on March 22, 2013.
Where is Alex Trzebucki located?
Alex Trzebucki practices at 3601 5th Ave Bldg Suite700, Pittsburgh, PA 15213. The listed phone number is (412) 648-6273.
What is Alex Trzebucki's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Infectious Disease, with taxonomy code 207RI0200X.
Is Alex Trzebucki enrolled in Medicare?
Yes. Alex Trzebucki 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 Alex Trzebucki's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Alex Trzebucki reassigns Medicare benefits to 13 organizations: University Of Pittsburgh Physicians (Pittsburgh, PA), Meadville Physician Services (Meadville, PA), Mount Nittany Medical Center Health Services Inc (State College, PA), Great Lakes Physician Practice PC (Jamestown, NY), Valley Physician Enterprise, Inc. (Winchester, VA) and 8 more organizations, listed in the Medicare section above. 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 Alex Trzebucki's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Alex Trzebucki accept?
Health plans from Blue Cross and Blue Shield of Kansas, Inc., CareSource, Premera Blue Cross Blue Shield of Alaska and Providence Health Plan list Alex Trzebucki 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 Alex Trzebucki affiliated with any hospitals?
According to CMS data, Alex Trzebucki is affiliated with Upmc Chautauqua At Wca and Upmc Altoona.
When was this NPI record last updated?
The NPPES record for Alex Trzebucki was last updated on September 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 58 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.
# Alex Marshal Trzebucki, MD · NPI 1114269594
Infectious Disease physician in Pittsburgh, Pennsylvania. Individual provider, active in the CMS NPPES registry since March 22, 2013.
## Identity
- **NPI:** 1114269594 (Entity type: Individual)
- **Enumerated:** March 22, 2013
- **Primary specialty:** Internal Medicine - Infectious Disease · taxonomy 207RI0200X
- **State license:** TW00695 (Kansas)
- **Sole proprietor:** No
## Practice location
- **Address:** 3601 5TH AVE BLDG SUITE700, Pittsburgh, PA 15213-3403
- **Phone:** (412) 648-6273
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 13 organizations under Medicare reassignment (form CMS-855R): University Of Pittsburgh Physicians (NPI 1548433527, Pittsburgh, PA); Meadville Physician Services (NPI 1619236056, Meadville, PA); Mount Nittany Medical Center Health Services Inc (NPI 1598992554, State College, PA); Great Lakes Physician Practice PC (NPI 1730599176, Jamestown, NY); Valley Physician Enterprise, Inc. (NPI 1053800961, Winchester, VA); and 8 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** New York Medical College, class of 2013
## Record status
- **NPPES last updated:** September 9, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1114269594) · Data from the CMS NPPES public registry.