Janet S Krefting DDS & Richard W. Waldman DMD, PC
Janet S Krefting DDS & Richard W. Waldman DMD, PC is a Dentist in N Billerica, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.
- Licensed in
- MA
- In the registry since
- 2007
- Specialties on file
- 3
What do these letters mean?
- PC — Professional corporation
- A form of business registration, not a clinical qualification.
Practice location Address checks out
330 Boston Rd Unit 16N Billerica, MA 01862-2300
Phone: (978) 663-7638
Fax: (978) 667-9856
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Pin is approximate — placed at the ZIP-code centre, not the exact door.
Specialties & licences
| Periodontics (primary) | Taxonomy 1223P0300X · Licence 14808 (MA) |
|---|---|
| Dentist | Taxonomy 122300000X · Licence 11834 (MA) |
| Dentist | Taxonomy 122300000X · Licence 14003 (MA) |
Record details
| NPI number | 1114123577 |
|---|---|
| Entity type | Organization (Type 2) |
| Organization subpart | No |
| Authorized official | Susan Brown — Office Manager · (978) 663-7638 |
| Other names | New Concepts Dental Group |
| NPI enumerated | June 22, 2007 |
| Last updated in NPPES | September 11, 2025 |
| Mailing address | 330 Boston Rd, Unit 16, N Billerica, MA 01862-2300 |