Tiffany Sum, DDS
NPI 1346862166 · Dentist · Oakland, CA
Enrolled with Medicare as Practitioner - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Tiffany Sum, DDS is a Dentist provider in Oakland, CA (NPI 1346862166).
Provider details
- NPI number
- 1346862166
- Entity type
- Individual
- Primary specialty
- DentistDental Providers
- Credential
- DDS
- Sex
- Female
- Sole proprietor
- No
- License
- 105035 (CA)
Specialties & taxonomies
Dental Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
6 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
Mailing address
Registry dates
- Enumerated
- 2020-05-14
- Last updated
- 2020-09-09
- Certified
- 2020-09-09
Frequently asked questions
- What is Tiffany Sum's NPI number?
- Tiffany Sum's National Provider Identifier (NPI) is 1346862166, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Tiffany Sum's specialty?
- Tiffany Sum is listed in the NPPES registry with a primary specialty of Dentist (Dental Providers).
- Where is Tiffany Sum located?
- Tiffany Sum's practice location on file with NPPES is 1411 E 31st St Bldg E2, Oakland, CA 94602-1092.
- What is Tiffany Sum's phone number?
- The practice phone number listed in the NPPES registry for Tiffany Sum is (510) 437-4101.
- Does Tiffany Sum accept Medicare?
- Tiffany Sum is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Tiffany Sum's NPI active?
- Yes — Tiffany Sum's NPI (1346862166) is active in the NPPES registry as of the last update on 2020-09-09.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.