Doctor profile · Federal record

Dr. Cassidy Muir, MD

Surgery Physician · Charleston, SC

  • NPI 1831837418
  • 4 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
171 Ashley Ave
Charleston, SC 294258908
(843) 792-1414
Mailing address
169 Ashley Avenue, Room 202 Main Hospital Msc333
Charleston, SC 29425

Credentials & registration

NPPES · NUCC
NPI registered
May 2022 — 4 yrs on file
Specialty taxonomy
208600000X — NUCC code
State license (1)
South Carolina #LL87855

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831837418. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$1,685
Transactions
16
Manufacturers
9
Payer (manufacturer) Industry Txns Amount
Medtronic, INC. 5 $434.43
Kerecis Limited 1 $239.84
Integra LifeSciences Corporation 3 $230.56
Vericel Corporation 1 $176.77
Medical Device Business Services, INC. 2 $157.10
Musculoskeletal Transplant Foundation INC. 1 $116.08
DePuy Synthes Sales INC. 1 $115.73
Sanara MedTech INC. 1 $110.19
Axogen 1 $104.65

By nature of payment

Food and Beverage
$1,548
Education
$137

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
55
Patients
54
Total drug cost
$248
Drug Type Claims Patients Total cost
Oxycodone Hcl Generic 18 17 $44
Methocarbamol Generic 13 13 $109
Gabapentin Generic 12 12 $55
Tramadol Hcl Generic 12 12 $40

Frequently asked questions

Auto-generated from federal data
What is Dr. Cassidy Muir's medical specialty?
Dr. Cassidy Muir practices Surgery Physician in Charleston, SC.
Where does Dr. Cassidy Muir practice?
Dr. Cassidy Muir practices at 171 Ashley Ave, Charleston, SC 294258908. Office phone: 8437921414.
What is Dr. Cassidy Muir's NPI?
Dr. Cassidy Muir's National Provider Identifier (NPI) is 1831837418, issued by NPPES.