Doctor profile · Federal record

Dr. Madison O'Brien

Physician Assistant · Canton, GA

  • NPI 1851973267
  • 5 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1495 Hickory Flat Hwy Ste 100
Canton, GA 301154266
(770) 442-1911
fax (678) 626-7900
Mailing address
611 Lovinggood Trl
Woodstock, GA 301897413

Credentials & registration

NPPES · NUCC
NPI registered
April 2021 — 5 yrs on file
Specialty taxonomy
363A00000X — NUCC code

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1851973267. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
468
Distinct HCPCS
7
Medicare allowed
$40,903
HCPCS Description Services Patients Avg allowed
99213 Established patient office or other outpatient visit, 20-29 minutes 178 152 $73
99214 Established patient office or other outpatient visit, 30-39 minutes 152 132 $106
99442 Telephone medical discussion with physician, 11-20 minutes 40 36 $57
99204 New patient office or other outpatient visit, 45-59 minutes 36 36 $140
99203 New patient office or other outpatient visit, 30-44 minutes 31 31 $94
99212 Established patient office or other outpatient visit, 10-19 minutes 20 20 $43
99202 New patient office or other outpatient visit, 15-29 minutes 11 11 $61

In context: peer comparison

Among 11 peers in this city , average services per provider: 55. This provider delivers 8.5× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$746
Transactions
30
Manufacturers
14
Payer (manufacturer) Industry Txns Amount
Medtronic, Inc. 2 $188.15
ABBVIE INC. 9 $174.85
Regeneron Healthcare Solutions, Inc. 5 $93.08
Merck Sharp & Dohme LLC 2 $48.15
PFIZER INC. 2 $42.62
GENZYME CORPORATION 1 $38.41
Lilly USA, LLC 2 $32.03
Celltrion USA Inc. 1 $21.40
Madrigal Pharmaceuticals 1 $19.85
Takeda Pharmaceuticals U.S.A., Inc. 1 $19.74
Salix Pharmaceuticals, a division of Bausch Health US, LLC 1 $19.65
Amneal Pharmaceuticals LLC 1 $17.81
Celgene Corporation 1 $15.44
Ferring Pharmaceuticals Inc. 1 $15.16

By nature of payment

Food and Beverage
$746

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
894
Patients
378
Total drug cost
$208,259
Drug Type Claims Patients Total cost
Pantoprazole Sodium Generic 311 127 $4,155
Famotidine Generic 236 94 $2,305
Omeprazole Generic 77 30 $1,475
Sod Sulf-Potass Sulf-Mag Sulf (Sodium, Potassium,mag Sulfates) Brand 59 58 $4,814
Dicyclomine Hcl Generic 34 21 $683
Zenpep (Lipase/Protease/Amylase) Brand 28 0 $105,074
Rabeprazole Sodium Generic 27 0 $1,702
Cholestyramine (Cholestyramine (With Sugar)) Brand 24 11 $1,472
Creon (Lipase/Protease/Amylase) Brand 22 0 $65,273
Linzess (Linaclotide) Brand 18 0 $20,436

Frequently asked questions

Auto-generated from federal data
What is Dr. Madison O'Brien's medical specialty?
Dr. Madison O'Brien practices Physician Assistant in Canton, GA.
Where does Dr. Madison O'Brien practice?
Dr. Madison O'Brien practices at 1495 Hickory Flat Hwy Ste 100, Canton, GA 301154266. Office phone: 7704421911.
What is Dr. Madison O'Brien's NPI?
Dr. Madison O'Brien's National Provider Identifier (NPI) is 1851973267, issued by NPPES.
What procedures does Dr. Madison O'Brien commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99214); Telephone medical discussion with physician (HCPCS 99442). Source: CMS Medicare Physician & Other Practitioners file.