Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Pediatric Medicine

Jason E. Cook, MD

Sees patients in Orange, CA · California

Summary

Jason E. Cook, MD (Pediatric Medicine) is enrolled with Medicare at 1 practice location in Orange, CA. NPI 1689775140. Medicare data says the clinician accepts Medicare assignment. Source: CMS National Downloadable File, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Jason E. Cook, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Pediatric MedicinePrimary specialty
YesAccepts Medicare assignment
27Years since medical school (graduated 1999)
University Of Vermont College Of MedicineMedical school
MaleGender (as listed)
Childrens Hospital of Orange CountyGroup practice

Quick answers

Where does Jason E. Cook see patients?
Medicare's clinician data lists 1 practice location in Orange, CA. Call before your visit to confirm the address.
What is Jason E. Cook's specialty?
Medicare lists Pediatric Medicine as the primary specialty.
Does Jason E. Cook accept Medicare assignment?
Yes. Medicare's clinician data says Jason E. Cook accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Jason E. Cook?
(888) 770-2462, as listed in official Medicare / NPI Registry data.
What is Jason E. Cook's NPI number?
1689775140. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Practice locations

Addresses where Jason E. Cook is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Jason E. Cook as a member of this group (CMS data updated 2026-10-02).

  • Childrens Hospital of Orange County73 clinicians in the group

Specialties

Find other Pediatric Medicine doctors in California →

Other pediatricians in Orange

Clinicians with the same Medicare primary specialty in Orange, CA — not a recommendation.

All pediatricians in Orange →

Clinician information

CredentialMD
Medical schoolUniversity Of Vermont College Of Medicine
Graduation year1999
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1689775140
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  2. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  3. Medicare Care Compare — official Medicare tool to look up clinicians