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

Cori Williams, FNP

Individual provider Family Nurse Practitioner · NPI 1710371877

Cori Williams, FNP is a Nurse Practitioner in Onaway, Michigan. Qualified in 2014, 12 years ago. Practices with Internal Medicine Clinic PLLC, a 3-clinician group and accepts Medicare assignment. Licensed in Michigan.

Years since qualifying
12
Licensed in
MI
In the registry since
2015
What do these letters mean?
FNP — Family Nurse Practitioner
A nurse practitioner who treats patients of all ages, much like a family doctor.

See every abbreviation used in this directory →

Practice location Address checks out

21258 W M 68 Hwy
Onaway, MI 49765
Phone: (989) 733-2082
Fax: (989) 733-8487
Show map & directions

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

Specialties & licences

Family Nurse Practitioner (primary) Taxonomy 363LF0000X · Licence 4704234124 (MI)

Record details

NPI number1710371877
Entity typeIndividual (Type 1)
GenderFemale
Credentials FNP
Sole proprietorNo
NPI enumeratedMarch 26, 2015
Last updated in NPPESMay 22, 2015
Mailing addressPo Box 427, Hillman, MI 49746-0427

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2014 (12 years in practice)
Group practice Internal Medicine Clinic Pllc — 3 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare

Other providers in Onaway