William Essilfie, M.D., Inc.
NPI 1376853655 · Internal Medicine Physician · Gardena, CA
William Essilfie, M.D., Inc. is a Internal Medicine Physician organization in Gardena, CA (NPI 1376853655).
Provider details
- NPI number
- 1376853655
- Entity type
- Organization
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Essilfie, C.e.o.(310) 715-6100
- License
- A46137 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
15 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
- 2010-10-20
- Last updated
- 2010-10-20
Frequently asked questions
- What is William Essilfie, M.D., Inc.'s NPI number?
- William Essilfie, M.D., Inc.'s National Provider Identifier (NPI) is 1376853655, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is William Essilfie, M.D., Inc.?
- William Essilfie, M.D., Inc. is classified in the NPPES registry as Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Essilfie, M.D., Inc. located?
- William Essilfie, M.D., Inc.'s practice location on file with NPPES is 1141 W Redondo Beach Blvd, Gardena, CA 90247-3586.
- What is William Essilfie, M.D., Inc.'s phone number?
- The practice phone number listed in the NPPES registry for William Essilfie, M.D., Inc. is (310) 715-6100.
- Who is the authorized official for William Essilfie, M.D., Inc.?
- The authorized official listed on William Essilfie, M.D., Inc.'s NPPES record is William Essilfie, C.e.o.. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is William Essilfie, M.D., Inc.'s NPI active?
- Yes — William Essilfie, M.D., Inc.'s NPI (1376853655) is active in the NPPES registry as of the last update on 2010-10-20.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.