William Lundergan, DDS
NPI 1558401257 · Periodontics · San Francisco, CA
Enrolled with Medicare as Order and Referring Only - Dentist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Lundergan, DDS is a Periodontics provider in San Francisco, CA (NPI 1558401257).
Provider details
- NPI number
- 1558401257
- Entity type
- Individual
- Primary specialty
- PeriodonticsDental Providers
- Credential
- DDS
- Sex
- Male
- Sole proprietor
- No
- License
- 29827 (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
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
Mailing address
Registry dates
- Enumerated
- 2007-02-08
- Last updated
- 2014-07-15
Frequently asked questions
- What is William Lundergan's NPI number?
- William Lundergan's National Provider Identifier (NPI) is 1558401257, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Lundergan's specialty?
- William Lundergan is listed in the NPPES registry with a primary specialty of Periodontics (Dental Providers).
- Where is William Lundergan located?
- William Lundergan's practice location on file with NPPES is 155 5th Street, San Francisco, CA 94103.
- What is William Lundergan's phone number?
- The practice phone number listed in the NPPES registry for William Lundergan is (415) 929-6524.
- Does William Lundergan accept Medicare?
- William Lundergan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Lundergan's NPI active?
- Yes — William Lundergan's NPI (1558401257) is active in the NPPES registry as of the last update on 2014-07-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.