OrganizationActive
William Lewczuk D.D.S. Inc
NPI 1003210055 · Dental Clinic/Center · Los Angeles, CA
William Lewczuk D.D.S. Inc is a Dental Clinic/Center organization in Los Angeles, CA (NPI 1003210055).
Provider details
- NPI number
- 1003210055
- Entity type
- Organization
- Primary specialty
- Dental Clinic/CenterAmbulatory Health Care Facilities
- Organization subpart
- No
- Authorized official
- William Lewczuk, Dentist(323) 256-2680
- License
- 38869 (CA)
Specialties & taxonomies
Ambulatory Health Care Facilities
Profile Score
Detailed profile(75/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
11 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
5906 Monterey Rd
Los Angeles, CA 90042-4943
Phone: (323) 256-2680
Fax: (323) 341-5668
Street-level locationGet directions
Mailing address
5906 Monterey Rd
Los Angeles, CA 90042-4943
Other names (DBA / former)
- Doing business as
- Monterey Hills Dental
Registry dates
- Enumerated
- 2014-10-20
- Last updated
- 2014-10-20
Frequently asked questions
- What is William Lewczuk D.D.S. Inc's NPI number?
- William Lewczuk D.D.S. Inc's National Provider Identifier (NPI) is 1003210055, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William Lewczuk D.D.S. Inc?
- William Lewczuk D.D.S. Inc is classified in the NPPES registry as Dental Clinic/Center (Ambulatory Health Care Facilities).
- Where is William Lewczuk D.D.S. Inc located?
- William Lewczuk D.D.S. Inc's practice location on file with NPPES is 5906 Monterey Rd, Los Angeles, CA 90042-4943.
- What is William Lewczuk D.D.S. Inc's phone number?
- The practice phone number listed in the NPPES registry for William Lewczuk D.D.S. Inc is (323) 256-2680.
- Who is the authorized official for William Lewczuk D.D.S. Inc?
- The authorized official listed on William Lewczuk D.D.S. Inc's NPPES record is William Lewczuk, Dentist. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William Lewczuk D.D.S. Inc's NPI active?
- Yes — William Lewczuk D.D.S. Inc's NPI (1003210055) is active in the NPPES registry as of the last update on 2014-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.