Doctor profile · Federal record

Dr. Michael O'Brien, PA-C

Medical Physician Assistant (CMS: Physician Assistant) · Orlando, FL

  • NPI 1801090121
  • Accepts Medicare
  • 27 yrs in practice
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1222 S Orange Ave
Orlando, FL 328061215
(407) 649-6907
fax (407) 841-2035

Credentials & registration

NPPES · NUCC
NPI registered
June 2007 — 19 yrs on file
Profile last updated
November 15, 2016
Year of graduation
1999 — 27 yrs since
Specialty taxonomy
363AM0700X — NUCC code
State license (1)
Florida #PA9103067
Medicaid
FL #292172300

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1801090121. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$403
Transactions
7
Manufacturers
5
Payer (manufacturer) Industry Txns Amount
Atricure, INC. 2 $174.61
Novo Nordisk INC 2 $89.60
Getinge USA Sales, LLC 1 $84.07
Ethicon US, LLC 1 $28.90
Kls-Martin L.P. 1 $26.05

By nature of payment

Food and Beverage
$403

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
139
Patients
87
Total drug cost
$2,012
Drug Type Claims Patients Total cost
Potassium Chloride Generic 29 22 $480
Atorvastatin Calcium Generic 21 13 $384
Furosemide Generic 18 17 $36
Metoprolol Succinate Generic 17 0 $363
Amiodarone Hcl Generic 16 13 $293
Metoprolol Tartrate Generic 16 11 $164
Gabapentin Generic 11 11 $54
Tamsulosin Hcl Generic 11 0 $236

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael O'Brien's medical specialty?
Dr. Michael O'Brien practices Medical Physician Assistant in Orlando, FL.
Where does Dr. Michael O'Brien practice?
Dr. Michael O'Brien practices at 1222 S Orange Ave, Orlando, FL 328061215. Office phone: 4076496907.
What is Dr. Michael O'Brien's NPI?
Dr. Michael O'Brien's National Provider Identifier (NPI) is 1801090121, issued by NPPES.
Does Dr. Michael O'Brien accept Medicare assignment?
Yes. Dr. Michael O'Brien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.