Doctor profile · Federal record

Dr. JOHN NADEAU, D.O.

Surgery Physician (CMS: GENERAL SURGERY) · Surgery Physician · BIDDEFORD, ME

  • NPI 1366623548
  • Accepts Medicare
  • 22 yrs in practice
  • Licensed in 2 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
9 HEALTHCARE DR STE 204
BIDDEFORD, ME 040059450
(207) 284-2630
Additional location
727 E Court St
Paris, IL 619442460
(217) 465-8411
fax (217) 463-3184
Additional location
1 Medical Center Dr
Biddeford, ME 040059422
Mailing address
1 MEDICAL CENTER DR
BIDDEFORD, ME 040059422

Credentials & registration

NPPES · NUCC
NPI registered
November 2007 — 19 yrs on file
Profile last updated
March 11, 2019
Year of graduation
2004 — 22 yrs since
Specialty taxonomy
208600000X — NUCC code
State licenses (2)
Maine #DO2732 · Illinois #036131230
Medicaid
IL #036131230

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1366623548. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
330
Distinct HCPCS
8
Medicare allowed
$28,571
HCPCS Description Services Patients Avg allowed
99212 Established patient office or other outpatient visit, 10-19 minutes 105 78 $52
99203 New patient office or other outpatient visit, 30-44 minutes 53 53 $104
99202 New patient office or other outpatient visit, 15-29 minutes 39 39 $67
99213 Established patient office or other outpatient visit, 20-29 minutes 39 37 $84
43239 Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope 26 25 $96
45378 Diagnostic exam of large bowel using a flexible endoscope 25 25 $155
45380 Biopsy of large bowel using a flexible endoscope 23 23 $122
99222 Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes 20 20 $123

In context: peer comparison

Among 5 peers in this city , average services per provider: 47. This provider delivers 7.0× the peer median.