Doctor profile · Federal record

Dr. Michael O'Brien, M.D.

Neurological Surgery Physician (CMS: Neurosurgery) · Student in an Organized Health Care Education/Training Program · Waterbury, CT

  • NPI 1386175701
  • Accepts Medicare
  • 9 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
500 Chase Pkwy
Waterbury, CT 067083346
(203) 755-6677
fax (203) 573-9182

Credentials & registration

NPPES · NUCC
NPI registered
March 2017 — 9 yrs on file
Profile last updated
June 14, 2024
Year of graduation
2017 — 9 yrs since
Specialty taxonomy
207T00000X — NUCC code
State licenses (2)
Connecticut #76983 · New York #63919

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1386175701. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$911
Transactions
11
Manufacturers
6
Payer (manufacturer) Industry Txns Amount
Smith+Nephew, INC. 3 $394.75
Globus Medical, INC. 4 $195.12
Cerapedics INC. 1 $127.44
Icotec Medical INC. 1 $92.69
Si-Bone, INC. 1 $78.35
Highridge Medical LLC 1 $22.36

By nature of payment

Food and Beverage
$533
Travel and Lodging
$378

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Michael O'Brien's medical specialty?
Dr. Michael O'Brien practices Neurological Surgery Physician in Waterbury, CT.
Where does Dr. Michael O'Brien practice?
Dr. Michael O'Brien practices at 500 Chase Pkwy, Waterbury, CT 067083346. Office phone: 2037556677.
What is Dr. Michael O'Brien's NPI?
Dr. Michael O'Brien's National Provider Identifier (NPI) is 1386175701, 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.