Doctor profile · Federal record

Dr. Cori Williams, FNP

Family Nurse Practitioner (CMS: Nurse Practitioner) · Onaway, MI

  • NPI 1710371877
  • Accepts Medicare
  • 12 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
21258 W M 68 Hwy
Onaway, MI 49765
(989) 733-2082
fax (989) 733-8487
Mailing address
Po Box 427
Hillman, MI 497460427

Credentials & registration

NPPES · NUCC
NPI registered
March 2015 — 11 yrs on file
Profile last updated
May 22, 2015
Year of graduation
2014 — 12 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Michigan #4704234124

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1710371877. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
86
Distinct HCPCS
3
Medicare allowed
$614
HCPCS Description Services Patients Avg allowed
83036 Hemoglobin a1c level 48 24 $9
81002 Urinalysis, manual test 24 20 $3
93005 Routine electrocardiogram (ecg) using at least 12 leads with tracing 14 14 $6

In context: peer comparison

Among 1 peers in Onaway Family Nurse Practitioner, average services per provider: 28. This provider delivers 3.1× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
2,303
Patients
624
Total drug cost
$117,974
Drug Type Claims Patients Total cost
Lisinopril Generic 282 79 $2,496
Atorvastatin Calcium Generic 235 79 $3,359
Levothyroxine Sodium Generic 217 61 $4,081
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 169 39 $3,487
Omeprazole Generic 166 52 $2,728
Gabapentin Generic 163 32 $2,444
Losartan Potassium Generic 152 41 $2,159
Tramadol Hcl Generic 146 29 $1,596
Hydrochlorothiazide Generic 135 37 $780
Amlodipine Besylate Generic 129 38 $1,414

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Cori Williams's medical specialty?
Dr. Cori Williams practices Family Nurse Practitioner in Onaway, MI.
Where does Dr. Cori Williams practice?
Dr. Cori Williams practices at 21258 W M 68 Hwy, Onaway, MI 49765. Office phone: 9897332082.
What is Dr. Cori Williams's NPI?
Dr. Cori Williams's National Provider Identifier (NPI) is 1710371877, issued by NPPES.
Does Dr. Cori Williams accept Medicare assignment?
Yes. Dr. Cori Williams accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Cori Williams commonly perform?
Top Medicare-reported procedures in 2023: Hemoglobin a1c level (HCPCS 83036); Urinalysis, manual test (HCPCS 81002); Routine electrocardiogram (ecg) using at least 12 leads with tracing (HCPCS 93005). Source: CMS Medicare Physician & Other Practitioners file.