Stephen Kay, MD
NPI 1609966761 · Specialist · Los Angeles, CA
Enrolled with Medicare as Practitioner - Orthopedic Surgery · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Stephen Kay, MD is a Specialist provider in Los Angeles, CA (NPI 1609966761).
Provider details
- NPI number
- 1609966761
- Entity type
- Individual
- Primary specialty
- SpecialistOther Service Providers
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- G48892 (CA)
Specialties & taxonomies
Other Service 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
- 2006-10-12
- Last updated
- 2007-10-03
Frequently asked questions
- What is Stephen Kay's NPI number?
- Stephen Kay's National Provider Identifier (NPI) is 1609966761, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Stephen Kay's specialty?
- Stephen Kay is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).
- Where is Stephen Kay located?
- Stephen Kay's practice location on file with NPPES is 2080 Century Park E, Los Angeles, CA 90067-2001.
- What is Stephen Kay's phone number?
- The practice phone number listed in the NPPES registry for Stephen Kay is (310) 553-2882.
- Does Stephen Kay accept Medicare?
- Stephen Kay is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Stephen Kay's NPI active?
- Yes — Stephen Kay's NPI (1609966761) is active in the NPPES registry as of the last update on 2007-10-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.