Doctor profile · Federal record

Dr. William Niemeyer, P.A.-C

Physician Assistant · Physician Assistant · Physician Assistant · Avon, CT

  • NPI 1861435679
  • 20 yrs on file
  • Licensed in 3 states
  • Male
  • Group practice
  • No sanctions

Practice & contact

Operates at 3 locations .

NPPES Updated May 11, 2026
Primary practice
385 W Main St
Avon, CT 060014357
(860) 777-1280
Additional location
310 Maple Ave
Barrington, RI 028063430
(401) 903-0300
fax (401) 337-5357
Additional location
1750 E Lake Shore Dr
Decatur, IL 625213803
(317) 364-0833
Mailing address
1832 Ashley Drive
Charleston, IL 61920

Credentials & registration

NPPES · NUCC
NPI registered
June 2006 — 20 yrs on file
Profile last updated
September 21, 2020
Specialty taxonomy
363A00000X — NUCC code
State licenses (3)
Illinois #085-001528 · Rhode Island #PA01134 · Connecticut #004173

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1861435679. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$24
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
ABBVIE INC. 1 $23.91

By nature of payment

Food and Beverage
$24

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
13
Patients
0
Total drug cost
$86
Drug Type Claims Patients Total cost
Rosuvastatin Calcium Generic 13 0 $86

Frequently asked questions

Auto-generated from federal data
What is Dr. William Niemeyer's medical specialty?
Dr. William Niemeyer practices Physician Assistant in Avon, CT.
Where does Dr. William Niemeyer practice?
Dr. William Niemeyer practices at 385 W Main St, Avon, CT 060014357. Office phone: 8607771280.
What is Dr. William Niemeyer's NPI?
Dr. William Niemeyer's National Provider Identifier (NPI) is 1861435679, issued by NPPES.