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

Dr. Mark Lloyd Wisniewski, MD

Individual provider Pediatric Anesthesiology Physician · NPI 1669537072

Dr. Mark Lloyd Wisniewski, MD is a Pediatric Anesthesiology Physician in Gillette, Wyoming. Practices as a sole proprietor. Licensed in Wyoming.

Licensed in
WY
In the registry since
2006
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

1307 W 3rd St #B
Gillette, WY 82716-3343
Phone: (801) 707-1874
Show map & directions

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

Specialties & licences

Pediatric Anesthesiology Physician (primary) Taxonomy 207LP3000X · Licence 7134A (WY)

Record details

NPI number1669537072
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedDecember 26, 2006
Last updated in NPPESJanuary 15, 2015
Mailing address1307 W 3rd St, B, Gillette, WY 82716-3343