OrganizationActive
Stephen B. Lewis M.D. Endocrinology Practice Inc.
NPI 1417102518 · Specialist · Concord, CA
Stephen B. Lewis M.D. Endocrinology Practice Inc. is a Specialist organization in Concord, CA (NPI 1417102518).
Provider details
- NPI number
- 1417102518
- Entity type
- Organization
- Primary specialty
- SpecialistOther Service Providers
- Organization subpart
- No
- Authorized official
- Stephen Lewis, Owner(925) 682-9232
- License
- G20175 (CA)
Specialties & taxonomies
Other Service Providers
Profile Score
Detailed profile(86/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
17 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
2425 East St
#15
Concord, CA 94520-1928
Phone: (925) 682-9232
Fax: (925) 682-1120
Street-level locationGet directions
Mailing address
2425 East St
Concord, CA 94520
Registry dates
- Enumerated
- 2008-11-18
- Last updated
- 2008-11-18
Frequently asked questions
- What is Stephen B. Lewis M.D. Endocrinology Practice Inc.'s NPI number?
- Stephen B. Lewis M.D. Endocrinology Practice Inc.'s National Provider Identifier (NPI) is 1417102518, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Stephen B. Lewis M.D. Endocrinology Practice Inc.?
- Stephen B. Lewis M.D. Endocrinology Practice Inc. is classified in the NPPES registry as Specialist (Other Service Providers).
- Where is Stephen B. Lewis M.D. Endocrinology Practice Inc. located?
- Stephen B. Lewis M.D. Endocrinology Practice Inc.'s practice location on file with NPPES is 2425 East St, Concord, CA 94520-1928.
- What is Stephen B. Lewis M.D. Endocrinology Practice Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Stephen B. Lewis M.D. Endocrinology Practice Inc. is (925) 682-9232.
- Who is the authorized official for Stephen B. Lewis M.D. Endocrinology Practice Inc.?
- The authorized official listed on Stephen B. Lewis M.D. Endocrinology Practice Inc.'s NPPES record is Stephen Lewis, Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Stephen B. Lewis M.D. Endocrinology Practice Inc.'s NPI active?
- Yes — Stephen B. Lewis M.D. Endocrinology Practice Inc.'s NPI (1417102518) is active in the NPPES registry as of the last update on 2008-11-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.