Doctor profile · Federal record

Dr. Melissa Williamson, APRN

Family Nurse Practitioner (CMS: Nurse Practitioner) · Fairfax, MO

  • NPI 1801346564
  • 10 yrs in practice
  • Female
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
26136 US Highway 59
Fairfax, MO 644469105
(660) 686-2211
fax (660) 686-2799

Credentials & registration

NPPES · NUCC
NPI registered
October 2016 — 10 yrs on file
Profile last updated
May 22, 2024
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
363LF0000X — NUCC code
State license (1)
Missouri #2016034321
Medicaid
MO #2016034321

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801346564. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$137
Transactions
6
Manufacturers
3
Payer (manufacturer) Industry Txns Amount
MIMEDX Group, Inc. 3 $87.20
ABBVIE INC. 2 $34.75
Boston Scientific Corporation 1 $14.70

By nature of payment

Food and Beverage
$137

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
314
Patients
152
Total drug cost
$6,615
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 77 42 $1,587
Omeprazole Generic 51 23 $667
Amiodarone Hcl Generic 21 0 $115
Methylprednisolone Generic 18 17 $170
Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) Brand 17 16 $184
Azithromycin Generic 16 16 $84
Furosemide Generic 15 0 $68
Cefuroxime (Cefuroxime Axetil) Brand 14 14 $209
Famotidine Generic 13 0 $131
Metoclopramide Hcl Generic 13 0 $132

Frequently asked questions

Auto-generated from federal data
What is Dr. Melissa Williamson's medical specialty?
Dr. Melissa Williamson practices Family Nurse Practitioner in Fairfax, MO.
Where does Dr. Melissa Williamson practice?
Dr. Melissa Williamson practices at 26136 US Highway 59, Fairfax, MO 644469105. Office phone: 6606862211.
What is Dr. Melissa Williamson's NPI?
Dr. Melissa Williamson's National Provider Identifier (NPI) is 1801346564, issued by NPPES.
Does Dr. Melissa Williamson accept Medicare assignment?
Dr. Melissa Williamson does not accept Medicare assignment for all services. Patients may be billed amounts beyond Medicare-allowed charges.