Individual provider · Type 1 NPI

Mark Andrew Welnick, MD

Diagnostic Radiology Physician · Green Bay, WI

NPI number 1255698221 Active

Practice location

744 S Webster Ave
Green Bay, WI 54301-3505

Call (920) 433-6084 Map

Fax (920) 445-7289

Mailing address

PO Box 22487
Green Bay, WI 54305-2487

Other practice locations

  • 2820 Roosevelt Rd, Marinette, WI 54143-3834 · (715) 735-5225
  • 440 Woodward Ave, Iron Mountain, MI 49801-4631 · (906) 776-9040
  • 610 S Lincoln Rd, Escanaba, MI 49829-1215 · (906) 786-6488
  • 2845 Greenbrier Rd, Green Bay, WI 54311-6519 · (920) 288-4848
  • 820 Arbutus Ave, Oconto, WI 54153-2004 · (920) 835-1100

Specialties and licenses

TaxonomyCodeLicense
Diagnostic Radiology Physician 2085R0202X63777 (MN)
Diagnostic Radiology Physician Primary 2085R0202X66995-20 (WI)

Diagnostic Radiology Physician: A radiologist who utilizes x-ray, radionuclides, ultrasound and electromagnetic radiation to diagnose and treat disease.

316 other providers at this address

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About NPI 1255698221

Mark Andrew Welnick, MD's National Provider Identifier is 1255698221, issued on Apr 16, 2012. The primary taxonomy on file is Diagnostic Radiology Physician (2085R0202X), and the practice location is in Green Bay, WI. The record was last updated on Aug 28, 2025.