Jack Kornfeld, MD
Emergency Medicine Physician · Sacramento, CA
Jack Kornfeld, MD is an emergency medicine physician with a practice address in Sacramento, California, and NPI 1508444076, issued on Mar 29, 2021. Check the license (California A194227, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Jack Kornfeld
- Credential
- MD
- Primary taxonomy
- Emergency Medicine Physician 207P00000X
- License number
- A194227 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2315 Stockton Blvd., Sacramento, CA 95817
- Phone
- (916) 734-8571
- Enumerated
- Mar 29, 2021
- Record last updated
- May 16, 2024
- Medicare enrollment
- Enrolled (PECOS I20240718004763); accepts Medicare assignment
- Medical or professional school
- Geisel School Of Medicine At Dartmouth, 2021
- Entity
- Type 1 · individual
8 nearest emergency medicine physician records → All 7,751 in California → Look up another NPI →
Also registered at 2315 Stockton Blvd.
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Diego Amoroso Garriga Reis, M.D.Student in an Organized Health Care Education/Training Program1194571752
- Meghan Berger, RN, MSN, FNPNurse Practitioner1568640217
- James Chenoweth, M.D.Medical Toxicology (Emergency Medicine) Physician1912214305
- Aaron Danielson, M.D.Emergency Medicine Physician1679804793
- Tricia Ouchi, CRNACertified Registered Nurse Anesthetist1043384449
- Julie Phan, M.D.Emergency Medicine Physician1467749614
Verify Jack Kornfeld in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A194227Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
63% fewer Medicare Part D claims than the average emergency medicine physician in 2024
84 Medicare Part D claims for 61 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 17% of claims.
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through 2 group practices
- Northern Inyo Healthcare DistrictBishop, CA
- Permanente Medical Group IncSacramento, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jack Kornfeld among 7,751 emergency medicine physician records in California
Jack Kornfeld, MD is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2021 · median 2011 among the 4,560 with a school on file
- Record last updated2024 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
369 emergency medicine physician records list a practice address in Sacramento
They are 369 of the 33,083 NPPES records with a practice address in Sacramento, and 7,751 emergency medicine physician records in California.
All 7,751 in California → Every provider in Sacramento → Emergency Medicine Physician nationwide →
The 8 emergency medicine physician records with the nearest ZIP codes
- Jodie Craig, M.D.Sacramento, CA 958171659354124
- Greg Hachigian, M.D.Sacramento, CA 958171558342022
- James Holmes, MD, MPHSacramento, CA 958171427033091
- James Kirk, MDSacramento, CA 958171598749848
- Nathan Kuppermann, M.D., M.P.H.Sacramento, CA 958171356322150
- James Lee, M.D.Sacramento, CA 958171730163510
- Kerry McMahon, MDSacramento, CA 958171235113549
- Robert Narverud, M.D.Sacramento, CA 958171457335754
Common questions
What is Jack Kornfeld, MD's NPI number?
Jack Kornfeld, MD's National Provider Identifier (NPI) is 1508444076, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Jack Kornfeld, MD located?
The NPPES record lists a practice address at 2315 Stockton Blvd., Sacramento, CA, 95817. Phone: (916) 734-8571. Providers update this record themselves, so call before visiting.
How can I verify Jack Kornfeld, MD's license?
NPPES lists California license number A194227, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Jack Kornfeld, MD prescribe under Medicare Part D?
In 2024, Jack Kornfeld, MD had 84 Medicare Part D claims for 61 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.