NPPES file of Aug 9, 2026

Timothy Thomas Cornell, M.D.

Pediatric Critical Care Medicine Physician · Palo Alto, CA

Timothy Thomas Cornell, M.D. is a pediatric critical care medicine physician with a practice address in Palo Alto, California, and NPI 1871617621, issued on Mar 19, 2007. Check the license (California C155479, 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
1871617621
Name
Timothy Thomas Cornell
Credential
M.D.
Primary taxonomy
Pediatric Critical Care Medicine Physician 2080P0203X
License numbers
C155479 CA
4301084799 MI
Self-reported in NPPES; status is on the state search
Practice location
725 Welch RD, Palo Alto, CA 94304
Phone
(650) 497-8000
Enumerated
Mar 19, 2007
Record last updated
Apr 11, 2024
Medicare enrollment
Enrolled (PECOS I20180910001186); accepts Medicare assignment
Medical or professional school
Southern Illinois University School Of Medicine, 1995
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 725 Welch RD

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

  1. Shayda Abadi, NPNurse Practitioner1316745540
  2. Natasha AbadillaStudent in an Organized Health Care Education/Training Program1194306928
  3. Alexandra Abbott, MDPediatrics Physician1760018675
  4. Steven Abboud, MDAnesthesiology Physician1619364908
  5. Ali Abdelhafiz Abdelsamea, MDPediatrics Physician1699390104
  6. Alireza Abdollah Shamshirsaz, M.D.Obstetrics & Gynecology Physician1881804235

Verify Timothy Thomas Cornell in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license C155479
    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. Lpch Medical Group Div OF LucilePalo Alto, CA

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

Timothy Thomas Cornell among 337 pediatric critical care medicine physician records in California

Timothy Thomas Cornell, M.D. 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 2007, is newer than 36% of them.

  • NPI issued2007 · 36% of these records are older, 53% newer
  • In a Medicare fileYes · 39% of these records are
  • In the CMS Doctors and Clinicians fileYes · 28% of these records are
  • Graduated1995 · median 2008 among the 95 with a school on file
  • Record last updated2024 · 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. Kanwaljeet Anand, MBBS, D.PHIL.Palo Alto, CA 943041720178387
  2. James Andrus, MDPalo Alto, CA 943041720189053
  3. David Axelrod, M.D.Palo Alto, CA 943041750317624
  4. Marc Berg, MD, FAAPPalo Alto, CA 943041780657122
  5. Kevin Couloures, DOPalo Alto, CA 943041053422147
  6. John Duong-Tran, M.D.Palo Alto, CA 943041336132224
  7. Robert Heidersbach, MDPalo Alto, CA 943041275547473
  8. Peter Meaney, MDPalo Alto, CA 943041003829771

Common questions

What is Timothy Thomas Cornell, M.D.'s NPI number?

Timothy Thomas Cornell, M.D.'s National Provider Identifier (NPI) is 1871617621, issued on Mar 19, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Timothy Thomas Cornell, M.D. located?

The NPPES record lists a practice address at 725 Welch RD, Palo Alto, CA, 94304. Phone: (650) 497-8000. Providers update this record themselves, so call before visiting.

How can I verify Timothy Thomas Cornell, M.D.'s license?

NPPES lists California license number C155479, 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.