Individual provider Active NPI

Alex Marshal Trzebucki, MD

  • Infectious Disease Physician
  • Pittsburgh, PA
National Provider Identifier
1114269594
Registry record updated Sep 9, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Infectious Disease PhysicianTaxonomy code 207RI0200X
License
TW00695 Issued in KS
Practice address
3601 5TH Ave BLDG Suite700
Pittsburgh, PA 15213-3403
Phone
(412) 648-6273
NPI assigned
Mar 22, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 9, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 6

Specialty (taxonomy)CodeLicenseStatePrimary
Infectious Disease Physician 207RI0200X MD471206 PA
Infectious Disease Physician 207RI0200X 283972 NY
Infectious Disease Physician 207RI0200X 0101270860 VA
Infectious Disease Physician 207RI0200X 2021-02368 NC
Internal Medicine Physician 207R00000X 31056 WV
Infectious Disease Physician 207RI0200X TW00695 KS Primary

Addresses

Primary practice location

3601 5TH Ave BLDG Suite700
Pittsburgh, PA 15213-3403

Mailing address

3601 5TH Ave BLDG Suite5A
Falk Clinic Suite 700
Pittsburgh, PA 15213-3403

Other practice location 1

1840 Amherst St
Winchester, VA 22601-2808
Phone (540) 536-8000

Other practice location 2

333 W Cork St Ste 100
Winchester, VA 22601-3870
Phone (833) 717-1716

Other practice location 3

3400 Wake Forest Rd
Raleigh, NC 27609-7317
Phone (919) 954-3000

Other practice location 4

207 Foote Ave
Jamestown, NY 14701-7077
Phone (716) 487-0141

Other practice location 5

1 Healthy Way
Berkeley Springs, WV 25411-7463
Phone (304) 258-1234

Other practice location 6

759 S Main St
Woodstock, VA 22664-1154
Phone (540) 459-1383

Other practice location 7

559 W Germantown Pike Ste 270
East Norriton, PA 19403-4250
Phone (484) 622-7100

Other practice location 8

200 Memorial Dr
Luray, VA 22835-1000
Phone (833) 717-1716

Other practice location 9

351 Valley Health Way
Front Royal, VA 22630-6480
Phone (540) 636-0300

Other practice location 10

764 Kennedy St Ste 101
Meadville, PA 16335-2209
Phone (814) 373-2195

Other practice location 11

363 Sunrise Blvd
Romney, WV 26757-4607
Phone (833) 717-1716

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address atrzebucki744386@soc.inova.org
Direct Messaging Address atrzebucki254528@upmc.direct-ci.com

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NY, PA, VA, NC, WA, KS7 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 7

Enrollment IDStateProvider typePAC IDDetails
I20160715000446 NY Practitioner - Internal MedicinePractitioner - Infectious Disease 9739471533 Reassigns benefits to 2 organizations
I20200709000017 PA Practitioner - Infectious DiseasePractitioner - Internal Medicine 9739471533 Reassigns benefits to 5 organizations
I20210106001159 VA Practitioner - Infectious DiseasePractitioner - Internal Medicine 9739471533 Reassigns benefits to 2 organizations
I20211208001827 NC Practitioner - Infectious DiseasePractitioner - Internal Medicine 9739471533 Reassigns benefits to 1 organization
I20230310002441 WA Practitioner - Infectious DiseasePractitioner - Internal Medicine 9739471533 Reassigns benefits to 1 organization
I20250924000532 NY Practitioner - Infectious DiseasePractitioner - Internal Medicine 9739471533 Reassigns benefits to 1 organization
I20251120001005 KS Practitioner - Infectious DiseasePractitioner - Internal Medicine 9739471533 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Infectious DiseaseAlso: Internal Medicine
Education
New York Medical College, 2013
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
McPherson Hospital IncGroup PAC ID 1153232418, 66 clinicians
Great Lakes Physician Practice PCGroup PAC ID 6709007701, 143 clinicians
University of Pittsburgh PhysiciansGroup PAC ID 8729990239, 4,166 clinicians
Wyoming CountyGroup PAC ID 9335118967, 40 clinicians
Multicare Health SystemGroup PAC ID 7719899897, 2,312 clinicians

Practice addresses (Care Compare)

1000 Hospital Dr
McPherson, KS 67460-2326
Phone (620) 241-7400

207 Foote Ave
Jamestown, NY 14701-7077
Phone (716) 934-3641

3601 5TH Ave
Pittsburgh, PA 15213-3403

400 N Main St
Warsaw, NY 14569-1025
Phone (585) 786-2233

4700 Point Fosdick Dr
Gig Harbor, WA 98335-1706

620 Howard Ave
Altoona, PA 16601-4804
Phone (814) 889-2328

Hospital & facility affiliations

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
TW00695KSMDInfectious Disease Physician
MD471206PAMDInfectious Disease Physician
0101270860VAMDInfectious Disease Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Susquehanna Physician Services Infectious Disease CurrentSince Oct 16, 2023 Accepting new patients
Winchester Medical Center Current Accepting new patients
Wyoming County Current Accepting new patients
Winchester Medical Center CurrentSince Dec 23, 2020 Accepting new patients
Einstein Practice Plan Inc CurrentSince Dec 1, 2024 Accepting new patients
Jamestown Area Medical Associates, L.L.P. Internal Medicine CurrentSince Jun 1, 1997 Accepting new patients
Great Lakes Physician Practice PC Internal Medicine CurrentSince Aug 1, 2025 Accepting new patients
Duke University Health System, Inc. Internal Medicine Current Accepting new patients
Shenandoah Valley Pathology Laboratories Inc Current Accepting new patients
Wakemed Internal Medicine CurrentSince Nov 3, 2021 Accepting new patients
War Memorial Hospital, Inc. CurrentSince Feb 28, 2023 Accepting new patients
New York University Internal Medicine CurrentSince Jul 1, 2016 Accepting new patients
Mount Nittany Medical Center Health Services Inc Internal Medicine CurrentSince Oct 1, 2022 Accepting new patients
Family Practice Associates of McPherson, L.L.P. Current Accepting new patients
Wyoming County Current Accepting new patients
Multicare Health System CurrentSince Jan 1, 2023 Accepting new patients
Wyoming County CurrentSince Jan 14, 2024 Accepting new patients
Susquehanna Physician Services CurrentSince Oct 16, 2023 Accepting new patients
Einstein Practice Plan Inc Current Accepting new patients
McPherson Hospital, Inc. Internal Medicine Current Accepting new patients
Winchester Medical Center Current Accepting new patients
War Memorial Hospital Inc Internal Medicine Current Accepting new patients
Valley Physician Enterprise, Inc. CurrentSince Dec 23, 2020 Accepting new patients
University of Pittsburgh Physicians CurrentSince Jul 1, 2020 Accepting new patients
Wyoming County Internal Medicine CurrentSince Jan 14, 2024 Accepting new patients
Multicare Health System Current Accepting new patients
Wakemed CurrentSince Nov 3, 2021 Accepting new patients
McPherson Hospital, Inc. CurrentSince Oct 20, 2025 Accepting new patients
Valley Physician Enterprise, Inc Internal Medicine CurrentSince Dec 23, 2020 Accepting new patients
Meadville Physician Services Internal Medicine CurrentSince Feb 2, 2026 Accepting new patients
New York University Internal Medicine CurrentSince Jul 1, 2016 Accepting new patients
Winchester Medical Center CurrentSince Dec 23, 2020 Accepting new patients
War Memorial Hospital, Inc. CurrentSince Feb 28, 2023 Accepting new patients
Einstein Practice Plan Inc Infectious Disease CurrentSince Dec 1, 2024 Accepting new patients
Univesity of Pittsburgh Physicians Infectious Disease CurrentSince Jul 1, 2020 Accepting new patients
Multicare Health System CurrentSince Jan 1, 2023 Accepting new patients
University of Pittsburgh Physicians Current Accepting new patients
Upmc Advanced Practice Providers PastSince Aug 3, 2025 Accepting new patients

Locations (25 of 36)

1000 Hospital Dr
#301
McPherson, KS 67460
Phone (620) 241-0917

1000 Hospital Dr
McPherson, KS 67460
Phone (316) 241-2250

1900 Kildaire Farm Rd
Cary, NC 27518
Phone (919) 350-2300

3000 New Bern Ave
Raleigh, NC 27610
Phone (919) 350-7000

3400 Wake Forest Rd
Raleigh, NC 27609
Phone (919) 954-3000

3719 Union Rd
Ste 218
Cheektowaga, NY 14225
Phone (716) 206-1503

31 Sherman St
Ste 2400
Jamestown, NY 14701
Phone (814) 483-5306

207 Foote Ave
Jamestown, NY 14701
Phone (716) 487-0141

111 Broadway
Fl 2
Trinity, NY 10006
Phone (212) 263-9700

400 N Main St
Warsaw, NY 14569
Phone (585) 786-1555

141 Medical Park Ln
Bellefonte, PA 16823
Phone (814) 355-7322

559 W Germantown Pike
Ste 270
East Norriton, PA 19403
Phone (484) 622-7100

764 Kennedy St
Ste 101
Meadville, PA 16335
Phone (814) 333-7020

1034 Grove St
Meadville, PA 16335
Phone (814) 333-5728

765 Liberty St
Ste 105
Meadville, PA 16335
Phone (814) 373-2310

5501 Old York Rd
Ste 3
Philadelphia, PA 19141
Phone (215) 456-7180

101 E Olney Ave
Ste 400
Philadelphia, PA 19120
Phone (215) 254-2630

5401 Old York Rd
#B
Philadelphia, PA 19141
Phone (215) 324-3399

3601 5th Ave
#700
Pittsburgh, PA 15213
Phone (412) 647-0996

3601 5th Ave
Ste 700
Pittsburgh, PA 15213
Phone (412) 643-6401

2 Hot Metal St
Bldg 3RD
Pittsburgh, PA 15203

3601 5th Ave
Ste 5A
Pittsburgh, PA 15213
Phone (412) 647-4200

1850 E Park Ave
Ste 201
State College, PA 16803
Phone (814) 234-8800

1201 Grampian Blvd
Williamsport, PA 17701
Phone (570) 326-8723

700 High St
Williamsport, PA 17701
Phone (570) 321-1000

Interoperability endpoints

  • Direct secure messaging: atrzebucki@surgeryspecialists.medentdirect.com
  • Direct secure messaging: alex.m.trzebucki@upmcdirect.com
  • Direct secure messaging: atrzebucki566630@direct.medicine.duke.edu
  • Direct secure messaging: atrzebucki254528@upmc.direct-ci.com

Organizations & group practices 38

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

View all 38

Hospital & facility affiliations 12

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1363910400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788912000000",
    "number": "1114269594",
    "addresses": [
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            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3601 5TH AVE BLDG SUITE5A",
            "address_2": "FALK CLINIC SUITE 700",
            "city": "PITTSBURGH",
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            "postal_code": "152133403"
        },
        {
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        }
    ],
    "practiceLocations": [
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            "address_1": "1840 Amherst St",
            "address_purpose": "LOCATION",
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            "state": "VA",
            "postal_code": "226012808",
            "country_code": "US",
            "telephone_number": "540-536-8000",
            "fax_number": "540-536-7780",
            "country_name": "United States",
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        },
        {
            "address_1": "333 W Cork St Ste 100",
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            "postal_code": "226013870",
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            "telephone_number": "833-717-1716",
            "fax_number": "540-536-0249",
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        {
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            "telephone_number": "919-954-3000",
            "country_name": "United States",
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        },
        {
            "address_1": "207 Foote Ave",
            "address_purpose": "LOCATION",
            "city": "Jamestown",
            "state": "NY",
            "postal_code": "147017077",
            "country_code": "US",
            "telephone_number": "716-487-0141",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1 Healthy Way",
            "address_purpose": "LOCATION",
            "city": "Berkeley Springs",
            "state": "WV",
            "postal_code": "254117463",
            "country_code": "US",
            "telephone_number": "304-258-1234",
            "fax_number": "304-258-7422",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "759 S Main St",
            "address_purpose": "LOCATION",
            "city": "Woodstock",
            "state": "VA",
            "postal_code": "226641154",
            "country_code": "US",
            "telephone_number": "540-459-1383",
            "fax_number": "540-459-1121",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "559 W Germantown Pike Ste 270",
            "address_purpose": "LOCATION",
            "city": "East Norriton",
            "state": "PA",
            "postal_code": "194034250",
            "country_code": "US",
            "telephone_number": "484-622-7100",
            "fax_number": "484-622-7121",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "200 Memorial Dr",
            "address_purpose": "LOCATION",
            "city": "Luray",
            "state": "VA",
            "postal_code": "228351000",
            "country_code": "US",
            "telephone_number": "833-717-1716",
            "fax_number": "540-536-0249",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "351 Valley Health Way",
            "address_purpose": "LOCATION",
            "city": "Front Royal",
            "state": "VA",
            "postal_code": "226306480",
            "country_code": "US",
            "telephone_number": "540-636-0300",
            "fax_number": "540-636-0427",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "764 Kennedy St Ste 101",
            "address_purpose": "LOCATION",
            "city": "Meadville",
            "state": "PA",
            "postal_code": "163352209",
            "country_code": "US",
            "telephone_number": "814-373-2195",
            "fax_number": "814-373-2197",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "363 Sunrise Blvd",
            "address_purpose": "LOCATION",
            "city": "Romney",
            "state": "WV",
            "postal_code": "267574607",
            "country_code": "US",
            "telephone_number": "833-717-1716",
            "fax_number": "540-536-0249",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TRZEBUCKI",
        "first_name": "ALEX",
        "middle_name": "MARSHAL",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-03-22",
        "last_updated": "2026-09-09",
        "certification_date": "2026-02-03",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "PA",
            "license": "MD471206",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NY",
            "license": "283972",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "VA",
            "license": "0101270860",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "NC",
            "license": "2021-02368",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "WV",
            "license": "31056",
            "primary": false
        },
        {
            "code": "207RI0200X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Infectious Disease",
            "state": "KS",
            "license": "TW00695",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "atrzebucki744386@soc.inova.org",
            "affiliation": "N",
            "address_1": "333 W Cork St Ste 100",
            "city": "Winchester",
            "state": "VA",
            "country_code": "US",
            "postal_code": "226013870",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "atrzebucki254528@upmc.direct-ci.com",
            "affiliation": "N",
            "address_1": "600 Grant St",
            "address_2": "Floor 58",
            "city": "Pittsburgh",
            "state": "PA",
            "country_code": "US",
            "postal_code": "152192702",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Pittsburgh, PA

Sources for this page

Verify at the official NPI Registry.