Jack Kornfeld, MD
NPI 1508444076 · Emergency Medicine Physician · Sacramento, CA
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jack Kornfeld, MD is a Emergency Medicine Physician provider in Sacramento, CA (NPI 1508444076).
Provider details
- NPI number
- 1508444076
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
5 yrs in NPPES registry
- Profile completeness38% of score
83% of core fields populated
- Practice footprint23% of score
2 documented practice locations
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
Additional practice locations (1)
- 150 Pioneer LnBishop, CA 93514-2556Phone: (760) 873-5811
Registry dates
- Enumerated
- 2021-03-29
- Last updated
- 2024-05-16
- Certified
- 2024-05-16
Frequently asked questions
- What is Jack Kornfeld's NPI number?
- Jack Kornfeld's National Provider Identifier (NPI) is 1508444076, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jack Kornfeld's specialty?
- Jack Kornfeld is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Jack Kornfeld located?
- Jack Kornfeld's practice location on file with NPPES is 2315 Stockton Blvd., Sacramento, CA 95817.
- What is Jack Kornfeld's phone number?
- The practice phone number listed in the NPPES registry for Jack Kornfeld is (916) 734-8571.
- Does Jack Kornfeld accept Medicare?
- Jack Kornfeld is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jack Kornfeld's NPI active?
- Yes — Jack Kornfeld's NPI (1508444076) is active in the NPPES registry as of the last update on 2024-05-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.