Stephen Grifka, M.D.
NPI 1902089006 · Allergy & Immunology Physician · Torrance, CA
Stephen Grifka, M.D. is a Allergy & Immunology Physician provider in Torrance, CA (NPI 1902089006).
Provider details
- NPI number
- 1902089006
- Entity type
- Individual
- Primary specialty
- Allergy & Immunology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- Yes
- License
- G48648 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 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
- 2007-12-11
- Last updated
- 2016-12-22
Frequently asked questions
- What is Stephen Grifka's NPI number?
- Stephen Grifka's National Provider Identifier (NPI) is 1902089006, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Grifka's specialty?
- Stephen Grifka is listed in the NPPES registry with a primary specialty of Allergy & Immunology Physician (Allopathic & Osteopathic Physicians).
- Where is Stephen Grifka located?
- Stephen Grifka's practice location on file with NPPES is 3655 Lomita Blvd, Torrance, CA 90505-1927.
- What is Stephen Grifka's phone number?
- The practice phone number listed in the NPPES registry for Stephen Grifka is (310) 775-7795.
- Is Stephen Grifka's NPI active?
- Yes — Stephen Grifka's NPI (1902089006) is active in the NPPES registry as of the last update on 2016-12-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.