Karen Johnson, MD
NPI 1154436202 · Emergency Medicine Physician · Culver City, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Karen Johnson, MD is a Emergency Medicine Physician provider in Culver City, CA (NPI 1154436202).
Provider details
- NPI number
- 1154436202
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- No
- License
- G69140 (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
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
- 2006-08-20
- Last updated
- 2021-12-02
Frequently asked questions
- What is Karen Johnson's NPI number?
- Karen Johnson's National Provider Identifier (NPI) is 1154436202, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Karen Johnson's specialty?
- Karen Johnson is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Karen Johnson located?
- Karen Johnson's practice location on file with NPPES is 3828 Delmas Ter, Culver City, CA 90232-2713.
- What is Karen Johnson's phone number?
- The practice phone number listed in the NPPES registry for Karen Johnson is (310) 836-7000.
- Does Karen Johnson accept Medicare?
- Karen Johnson is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Karen Johnson's NPI active?
- Yes — Karen Johnson's NPI (1154436202) is active in the NPPES registry as of the last update on 2021-12-02.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.