Doctor profile · Federal record
Dr. William Fessler, DDS
Dentist · Norwalk, CT
- NPI 1124187539
- 20 yrs on file
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
116 East Avenue
Norwalk, CT 06851
(203) 838-3939
fax (203) 866-0406
Credentials & registration
- NPI registered
- December 2006 — 20 yrs on file
- Profile last updated
- July 8, 2007
- Specialty taxonomy
- 122300000X — NUCC code
- State license (1)
- Connecticut #006917
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1124187539. Last verified May 11, 2026.Open Payments
Industry payments received
All-time total
$61
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Align Technology, INC. | 1 | $60.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
41
Patients
35
Total drug cost
$285
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 22 | 19 | $216 |
| Amoxicillin | Generic | 19 | 16 | $69 |
Frequently asked questions
What is Dr. William Fessler's medical specialty?
Dr. William Fessler practices Dentist in Norwalk, CT.
Where does Dr. William Fessler practice?
Dr. William Fessler practices at 116 East Avenue, Norwalk, CT 06851. Office phone: 2038383939.
What is Dr. William Fessler's NPI?
Dr. William Fessler's National Provider Identifier (NPI) is 1124187539, issued by NPPES.