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

Timothy J Jessick, DO

Individual provider Hospice and Palliative Medicine (Internal Medicine) Physician · NPI 1619081080

Timothy J Jessick, DO is a Hospice and Palliative Medicine (Internal Medicine) Physician in Oshkosh, Wisconsin. Works from 4 locations. Licensed in Wisconsin and Wyoming.

Licensed in
WI, WY
In the registry since
2006
Specialties on file
3
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

See every abbreviation used in this directory →

Practice location Address checks out

491 S Washburn St
Oshkosh, WI 54904-6733
Phone: (920) 364-3600
Fax: (920) 364-3900
Show map & directions

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

Additional practice locations (3)

  • 1818 N Meade St, Appleton, WI 54911-3454 — (920) 969-0919
  • 2600 S Heritage Woods Dr, Appleton, WI 54915-1408 — (920) 225-7875
  • 2424 S 90th St, West Allis, WI 53227-2455 — (414) 385-2716

Specialties & licences

Hospice and Palliative Medicine (Family Medicine) Physician (primary) Taxonomy 207QH0002X · Licence 36739 (WI)
Hospice and Palliative Medicine (Internal Medicine) Physician Taxonomy 207RH0002X · Licence 36739 (WI)
Hospice and Palliative Medicine (Family Medicine) Physician Taxonomy 207QH0002X · Licence 36739 (WY)

Record details

NPI number1619081080
Entity typeIndividual (Type 1)
GenderMale
Credentials DO
Sole proprietorNo
NPI enumeratedAugust 19, 2006
Last updated in NPPESOctober 20, 2025
Certification dateOctober 20, 2025
Mailing address3 Neenah Ctr, Neenah, WI 54956-3070