Thomas Mccarthy, DDS
Thomas Mccarthy, DDS is a provider specialising in General Practice Dentistry in Waterbury, CT, registered under NPI 1003018672. NPPES records them as a sole proprietor, meaning the practice is not incorporated as a separate legal entity.
Getting there
Here is what surrounds this office in Waterbury, based on OpenStreetMap data collected Aug 30, 2026. Parking is available about 0.35 mi away. If you arrive early, there is a coffee shop 0.48 mi away.
Getting here and what is nearby
Parking 536 ft ~3 min
Parking 0.20 mi ~5 min
Parking 0.35 mi ~8 min
Gas station Citgo 0.39 mi ~8 min
407 Watertown Avenue, Waterbury 06708
Restaurant Wendy's 0.40 mi ~9 min
167 Thomaston Avenue, Waterbury 06702
Restaurant Taco Bell 0.41 mi ~9 min
155 Thomaston Avenue, Waterbury 06702
Restaurant McDonald's 0.44 mi ~9 min
155 Thomaston Avenue, Waterbury 06702
06:00-23:00
Convenience Shell 0.46 mi ~10 min
618 West Main Street, Waterbury 06702
Gas station Shell 0.46 mi ~10 min
618 West Main Street, Waterbury 06702
Coffee Starbucks 0.48 mi ~10 min
Convenience Sam's Food Stores 0.49 mi ~10 min
640 West Main Street, Waterbury 06702
Gas station Citgo 0.49 mi ~10 min
640 West Main Street, Waterbury 06702
Distances are straight‑line estimates — walking routes may be longer. Hours and phone numbers can change; call ahead to confirm.
Credentials and Medicare
| Licence | State | Specialty |
|---|---|---|
| 5665 | CT | General Practice Dentistry primary |
This provider holds licence 5665 issued in CT. A licence number in NPPES reflects what was filed at registration — it does not confirm the licence is still active today.
This NPI does not appear in the PECOS Medicare enrolment file. Providers who do not bill Medicare — or who bill only through a group's enrolment — will not appear here. It is not a sign of any problem with the registration.
What General Practice covers
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs. NUCC Health Care Provider Taxonomy, code 1223G0001X
The taxonomy records how the provider classifies their own practice. It does not confirm which conditions they currently treat, whether they are accepting new patients, or which insurance they take — call the office for that.
Full NPPES record
An NPI-1 identifies a single person. It stays with the clinician for life, even if they move practice or change state, which is why the address on file can lag behind where they actually work today.
| NPI | 1003018672 valid check digit |
|---|---|
| Entity type | Individual (NPI-1) |
| Enumeration date | Jun 4, 2007 |
| Last updated | Jul 8, 2007 |
| Status | Active |
| Sole proprietor | Yes |
| Gender | Male |
| Credential | DDS |
| Practice address |
134 GRANDVIEW AVE SUITE 102 Waterbury, CT 06708 (203) 756-2207 Fax (203) 756-2207 |
Number check
How the check works, step by step
Every NPI carries a Luhn check digit — the same scheme used on credit cards. CMS prefixes the number with 80840 before computing it, which marks it as a US health identifier.
| Digit | 8 | 0 | 8 | 4 | 0 | 1 | 0 | 0 | 3 | 0 | 1 | 8 | 6 | 7 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Doubled? | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 | — | ×2 |
| Value | 8 | 0 | 8 | 8 | 0 | 2 | 0 | 0 | 3 | 0 | 1 | 7 | 6 | 5 |
Sum = 48 · next multiple of 10 = 50 · check digit = 2 · actual last digit = 2
A valid check digit only means the number is well-formed. It does not mean the provider is licensed, active, or in good standing — those are separate questions answered by the sections above.