Doctor profile · Federal record

Dr. William Filchak, O.D.

Optometrist (CMS: Optometry) · Southbury, CT

  • NPI 1962584383
  • Accepts Medicare
  • 41 yrs in practice
  • Male
  • Solo practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
775 Main St S
Southbury, CT 064882271
(203) 262-6752
fax (203) 262-6701

Credentials & registration

NPPES · NUCC
NPI registered
October 2006 — 20 yrs on file
Profile last updated
July 8, 2007
Year of graduation
1985 — 41 yrs since
Specialty taxonomy
152W00000X — NUCC code
State license (1)
Connecticut #2034

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1962584383. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
223
Distinct HCPCS
4
Medicare allowed
$25,893
HCPCS Description Services Patients Avg allowed
92014 Established patient complete exam of visual system 120 120 $135
99213 Established patient office or other outpatient visit, 20-29 minutes 52 40 $95
99212 Established patient office or other outpatient visit, 10-19 minutes 34 33 $60
92004 New patient complete exam of visual system 17 17 $160

In context: peer comparison

Among 5 peers in Southbury Optometrist, average services per provider: 54. This provider delivers 4.1× the peer median.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$287
Transactions
6
Manufacturers
4
Payer (manufacturer) Industry Txns Amount
Alcon Vision LLC 3 $175.72
CooperVision INC. 1 $77.31
Bausch & Lomb Americas INC. 1 $17.81
Sun Pharmaceutical Industries INC. 1 $16.24

By nature of payment

Food and Beverage
$287

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
100
Patients
47
Total drug cost
$6,913
Drug Type Claims Patients Total cost
Latanoprost Generic 37 0 $185
Erythromycin (Erythromycin Base) Brand 33 30 $316
Ofloxacin Generic 18 17 $201
Lumigan (Bimatoprost) Brand 12 0 $6,210

Frequently asked questions

Auto-generated from federal data
What is Dr. William Filchak's medical specialty?
Dr. William Filchak practices Optometrist in Southbury, CT.
Where does Dr. William Filchak practice?
Dr. William Filchak practices at 775 Main St S, Southbury, CT 064882271. Office phone: 2032626752.
What is Dr. William Filchak's NPI?
Dr. William Filchak's National Provider Identifier (NPI) is 1962584383, issued by NPPES.
Does Dr. William Filchak accept Medicare assignment?
Yes. Dr. William Filchak accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. William Filchak commonly perform?
Top Medicare-reported procedures in 2023: Established patient complete exam of visual system (HCPCS 92014); Established patient office or other outpatient visit (HCPCS 99213); Established patient office or other outpatient visit (HCPCS 99212). Source: CMS Medicare Physician & Other Practitioners file.