Grace Chan Oei, M.D.
Pediatric Critical Care Medicine Physician · Loma Linda, CA
Grace Chan Oei, M.D. is a pediatric critical care medicine physician with a practice address in Loma Linda, California, and NPI 1154522340, issued on May 29, 2007. Check the license (California A94619, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Grace Chan Oei
- Credential
- M.D.
- Primary taxonomy
- Pediatric Critical Care Medicine Physician 2080P0203X
- License number
- A94619 CA
Self-reported in NPPES; status is on the state search - Practice location
- Llumc, Loma Linda, CA 92354
- Phone
- (909) 558-4000
- Enumerated
- May 29, 2007
- Record last updated
- Aug 31, 2017 (not updated in 9 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20081121000601); accepts Medicare assignment
- Medical or professional school
- Loma Linda University School Of Medicine, 2004
- Entity
- Type 1 · individual
8 nearest pediatric critical care medicine physician records → All 337 in California → Look up another NPI →
Verify Grace Chan Oei in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A94619Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Bills Medicare through one group practice
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Grace Chan Oei among 337 pediatric critical care medicine physician records in California
Grace Chan Oei, 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
- Graduated2004 · median 2008 among the 95 with a school on file
- Record last updated2017 · 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.
All 337 in California → Every provider in Loma Linda → Pediatric Critical Care Medicine Physician nationwide →
The 8 pediatric critical care medicine physician records with the nearest ZIP codes
- Shamel Abd-Allah, M.D.Loma Linda, CA 923541407879257
- Harsha Chandnani, MDLoma Linda, CA 923541053673863
- Jim Eguchi, M.DLoma Linda, CA 923541417164427
- Michael GiangLoma Linda, CA 923541639520349
- Juan Martinez, M.D.Loma Linda, CA 923541699195776
- Mudit Mathur, M.D.Loma Linda, CA 923541710900402
- Daniel Noriega, M.D.Loma Linda, CA 923541316112386
- Asma Razavi, M.D.Loma Linda, CA 923541154672244
Common questions
What is Grace Chan Oei, M.D.'s NPI number?
Grace Chan Oei, M.D.'s National Provider Identifier (NPI) is 1154522340, issued on May 29, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Grace Chan Oei, M.D. located?
The NPPES record lists a practice address at Llumc, Loma Linda, CA, 92354. Phone: (909) 558-4000. Providers update this record themselves, so call before visiting.
How can I verify Grace Chan Oei, M.D.'s license?
NPPES lists California license number A94619, 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.