Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Mark Andrew Welnick, MD

Individual provider Diagnostic Radiology Physician · NPI 1255698221

Dr. Mark Andrew Welnick, MD is a Diagnostic Radiology in Green Bay, Wisconsin. Graduated from University of Wisconsin School of Medicine in 2012, 14 years ago. Practices with Baycare Aurora LLC, a 199-clinician group, works from 6 locations and accepts Medicare assignment. Licensed in Minnesota and Wisconsin.

Years since qualifying
14
Trained at
University of Wisconsin School of Medicine
Licensed in
MN, WI
In the registry since
2012
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

744 S Webster Ave
Green Bay, WI 54301-3505
Phone: (920) 433-6084
Fax: (920) 445-7289
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (5)

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

Specialties & licences

Diagnostic Radiology Physician (primary) Taxonomy 2085R0202X · Licence 66995-20 (WI)
Diagnostic Radiology Physician Taxonomy 2085R0202X · Licence 63777 (MN)

Record details

NPI number1255698221
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 16, 2012
Last updated in NPPESAugust 28, 2025
Certification dateAugust 28, 2025

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyDIAGNOSTIC RADIOLOGY
Also practisesINTERVENTIONAL RADIOLOGY
Medical schoolUNIVERSITY OF WISCONSIN SCHOOL OF MEDICINE
Graduated 2012 (14 years in practice)
Group practice Baycare Aurora Llc — 199 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations5 on file with Medicare

Other providers in Green Bay