Doctor profile · Federal record

Dr. Amber Willis, APN-BC

Family Nurse Practitioner (CMS: Nurse Practitioner) · Mount Vernon, IL

  • NPI 1326589680
  • Accepts Medicare
  • 10 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1 Good Samaritan Way
Mount Vernon, IL 628642402
(618) 899-4600
Mailing address
13240 E Smith RD
Mount Vernon, IL 628648857

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Illinois #209.015277

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1326589680. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
399
Distinct HCPCS
3
Medicare allowed
$51,897
HCPCS Description Services Patients Avg allowed
99285 Emergency department visit with high level of medical decision making 257 245 $149
99284 Emergency department visit with moderate level of medical decision making 130 126 $100
99283 Emergency department visit with low level of medical decision making 12 12 $61

In context: peer comparison

Among 12 peers in Mount Vernon Family Nurse Practitioner, average services per provider: 7,413. This provider delivers 0.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$244
Transactions
12
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Regeneron Healthcare Solutions, INC. 5 $105.23
Genzyme Corporation 4 $63.60
Smith+Nephew, INC. 1 $31.99
Janssen Pharmaceuticals, INC 1 $23.97
Avadel CNS Pharmaceuticals, LLC 1 $19.46

By nature of payment

Food and Beverage
$244

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
234
Patients
205
Total drug cost
$1,522
Drug Type Claims Patients Total cost
Prednisone Generic 38 36 $98
Ondansetron Odt (Ondansetron) Brand 32 32 $322
Tizanidine Hcl Generic 28 27 $99
Cephalexin Generic 26 26 $195
Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) Brand 26 23 $96
Furosemide Generic 18 0 $99
Azithromycin Generic 17 14 $86
Clindamycin Hcl Generic 13 13 $279
Pantoprazole Sodium Generic 13 12 $109
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 12 11 $105

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Amber Willis's medical specialty?
Dr. Amber Willis practices Family Nurse Practitioner in Mount Vernon, IL.
Where does Dr. Amber Willis practice?
Dr. Amber Willis practices at 1 Good Samaritan Way, Mount Vernon, IL 628642402. Office phone: 6188994600.
What is Dr. Amber Willis's NPI?
Dr. Amber Willis's National Provider Identifier (NPI) is 1326589680, issued by NPPES.
Does Dr. Amber Willis accept Medicare assignment?
Yes. Dr. Amber Willis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Amber Willis commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.