Leonard Lem, M.D., D.D.S., Inc.
NPI 1326244534 · Oral and Maxillofacial Pathology Dentistry · Arcadia, CA
Leonard Lem, M.D., D.D.S., Inc. is a Oral and Maxillofacial Pathology Dentistry organization in Arcadia, CA (NPI 1326244534).
Provider details
- NPI number
- 1326244534
- Entity type
- Organization
- Primary specialty
- Oral and Maxillofacial Pathology DentistryDental Providers
- Organization subpart
- No
- Authorized official
- Leonard Lem, Oral and Maxillofacial Surgeon(626) 821-9633
- License
- 35519 (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
- 2007-06-25
- Last updated
- 2007-07-23
Frequently asked questions
- What is Leonard Lem, M.D., D.D.S., Inc.'s NPI number?
- Leonard Lem, M.D., D.D.S., Inc.'s National Provider Identifier (NPI) is 1326244534, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Leonard Lem, M.D., D.D.S., Inc.?
- Leonard Lem, M.D., D.D.S., Inc. is classified in the NPPES registry as Oral and Maxillofacial Pathology Dentistry (Dental Providers).
- Where is Leonard Lem, M.D., D.D.S., Inc. located?
- Leonard Lem, M.D., D.D.S., Inc.'s practice location on file with NPPES is 650 W Duarte Rd, Arcadia, CA 91007-7617.
- What is Leonard Lem, M.D., D.D.S., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Leonard Lem, M.D., D.D.S., Inc. is (626) 821-9633.
- Who is the authorized official for Leonard Lem, M.D., D.D.S., Inc.?
- The authorized official listed on Leonard Lem, M.D., D.D.S., Inc.'s NPPES record is Leonard Lem, Oral and Maxillofacial Surgeon. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Leonard Lem, M.D., D.D.S., Inc.'s NPI active?
- Yes — Leonard Lem, M.D., D.D.S., Inc.'s NPI (1326244534) is active in the NPPES registry as of the last update on 2007-07-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.