OrganizationActive
Tam Tang and Sham PC
NPI 1396805313 · General Practice Dentistry · Waltham, MA
Tam Tang and Sham PC is a General Practice Dentistry organization in Waltham, MA (NPI 1396805313).
Provider details
- NPI number
- 1396805313
- Entity type
- Organization
- Primary specialty
- General Practice DentistryDental Providers
- Organization subpart
- No
- Authorized official
- John Tam, General Partner(508) 820-7792
Specialties & taxonomies
Dental Providers
Profile Score
Detailed profile(90/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
85 River Street
Waltham, MA 02453
Phone: (781) 891-7737
Fax: (781) 891-7107
Street-level locationGet directions
Mailing address
85 River Street
Waltham, MA 02453
Other names (DBA / former)
- Doing business as
- Waltham Dental Center
Registry dates
- Enumerated
- 2006-12-11
- Last updated
- 2008-11-20
Frequently asked questions
- What is Tam Tang and Sham PC's NPI number?
- Tam Tang and Sham PC's National Provider Identifier (NPI) is 1396805313, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Tam Tang and Sham PC?
- Tam Tang and Sham PC is classified in the NPPES registry as General Practice Dentistry (Dental Providers).
- Where is Tam Tang and Sham PC located?
- Tam Tang and Sham PC's practice location on file with NPPES is 85 River Street, Waltham, MA 02453.
- What is Tam Tang and Sham PC's phone number?
- The practice phone number listed in the NPPES registry for Tam Tang and Sham PC is (781) 891-7737.
- Who is the authorized official for Tam Tang and Sham PC?
- The authorized official listed on Tam Tang and Sham PC's NPPES record is John Tam, General Partner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Tam Tang and Sham PC's NPI active?
- Yes — Tam Tang and Sham PC's NPI (1396805313) is active in the NPPES registry as of the last update on 2008-11-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.