Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MR. KARL EMERSON PRIMERO M.D.
NPI 1023946563
Student in an Organized Health Care Education/Training Program in Fresno, CA

Active since May 13, 2026
1303 E. HERNDON AVE., FRESNO, CA 93720(559) 450-3000 Get Directions Write a Review

NPPES record last updated: July 29, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mr. Karl Emerson Primero M.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

MR. KARL EMERSON PRIMERO M.D. (NPI 1023946563) is an individual student in an organized health care education/training program in Fresno, California and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1023946563
Entity TypeIndividualMale
Primary Taxonomy390200000X
Provider Legal NameMR. KARL EMERSON PRIMEROCredential: M.D.
Location Address1303 E. HERNDON AVE.Fresno, CA 93720
Mailing Address1303 E. Herndon Ave.Fresno, CA 93720 · (559) 450-3000
Sole ProprietorNo
Enumeration DateMay 13, 2026
Last NPPES UpdateJuly 29, 2026
NPPES CertifiedJuly 29, 2026
NPI 1023946563 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Taxonomy Code390200000X
Definition
An individual who is enrolled in an organized health care education/training program leading to a degree, certification, registration, and/or licensure to provide health care.
1303 E. HERNDON AVE., Fresno, CA 93720

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Internal Medicine (Critical Care Medicine)
1303 E. HERNDON AVE., MAIL STOP 35
FRESNO, CA 93720
Student in an Organized Health Care Education/Training Program
1303 E. HERNDON AVE.
FRESNO, CA 93720
Student in an Organized Health Care Education/Training Program
1303 E. HERNDON AVE.
FRESNO, CA 93720

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Karl Emerson Primero's NPI number?

The NPI number for Karl Emerson Primero is 1023946563. It was assigned to this individual provider in the NPPES registry on May 13, 2026.

Where is Karl Emerson Primero located?

Karl Emerson Primero practices at 1303 E. Herndon Ave., Fresno, CA 93720. The listed phone number is (559) 450-3000.

What is Karl Emerson Primero's specialty?

The primary specialty registered for this NPI is Student in an Organized Health Care Education/Training Program with taxonomy code 390200000X.

When was this NPI record last updated?

The NPPES record for Karl Emerson Primero was last updated on July 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.