NPPES file of Aug 9, 2026

Jason Ellis Cook, MD

Pediatric Critical Care Medicine Physician · Orange, CA

Jason Ellis Cook, MD is a pediatric critical care medicine physician with a practice address in Orange, California, and NPI 1689775140, issued on Sep 26, 2006. Check the license (California A75756, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1689775140
Name
Jason Ellis Cook
Credential
MD
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License number
A75756 CA
Self-reported in NPPES; status is on the state search
Practice location
1201 W LA Veta Ave, Orange, CA 92868
Phone
(714) 509-8620
Enumerated
Sep 26, 2006
Record last updated
Feb 4, 2019 (not updated in 7 years: call before relying on the address or phone)
Fax
(714) 509-4072
Medicaid ID
2104032 MA
Medicare enrollment
Enrolled (PECOS I20101019001600); accepts Medicare assignment
Medical or professional school
University Of Vermont College Of Medicine, 1999
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 1201 W LA Veta Ave

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Sarah AbbamontoClinical Social Worker1396268553
  2. Yesenia Acosta, ACSWClinical Social Worker1114744513
  3. Natalie Adame, PNPPrimary Care Nurse Practitioner1750993622
  4. David Adams, M.D.Neurology with Special Qualifications in Child Neurology Physician1497109722
  5. William Adelman, M.D.Pediatric Adolescent Medicine Physician1831191386
  6. Isela Aguirre Verdugo, LCSWClinical Social Worker1316465834

Verify Jason Ellis Cook in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license A75756
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the California license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

Bills Medicare through one group practice

  1. Childrens Hospital OF Orange CountyOrange, CA

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jason Ellis Cook among 337 pediatric critical care medicine physician records in California

Jason Ellis Cook, MD is one of 337 pediatric critical care medicine physician records with a practice address in California. 39% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 5% of them.

  • NPI issued2006 · 5% of these records are older, 64% newer
  • In a Medicare fileYes · 39% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1999 · median 2008 among the 95 with a school on file
  • Record last updated2019 · 44% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2080P0203X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Pediatric Critical Care Medicine Physician providers in California

There are 337 pediatric critical care medicine physician records in California.

The 8 pediatric critical care medicine physician records with the nearest ZIP codes

  1. Sana Al-Jundi, M.D.Orange, CA 928681912090465
  2. Ronald Bronicki, M.D.Orange, CA 928681548354533
  3. James Cappon, M.D.Orange, CA 928681336232875
  4. Anthony Cherin, M.D.Orange, CA 928681831283837
  5. Michele Domico, MDOrange, CA 928681932305000
  6. Gary Goodman, M.D.Orange, CA 928681588758551
  7. Dina Iwai, M.D.Orange, CA 928681164516944
  8. Mehrdad Jalili, MDOrange, CA 928681811077084

Common questions

What is Jason Ellis Cook, MD's NPI number?

Jason Ellis Cook, MD's National Provider Identifier (NPI) is 1689775140, issued on Sep 26, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jason Ellis Cook, MD located?

The NPPES record lists a practice address at 1201 W LA Veta Ave, Orange, CA, 92868. Phone: (714) 509-8620. Providers update this record themselves, so call before visiting.

How can I verify Jason Ellis Cook, MD's license?

NPPES lists California license number A75756, 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.

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.