NPPES file of Aug 9, 2026

Cheuw Oey, D.O.

Anesthesiology Physician · Anaheim, CA

Cheuw Oey, D.O. is an anesthesiology physician with a practice address in Anaheim, California, and NPI 1609930866, issued on Dec 21, 2006. Check the license (California 20A8478, 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
1609930866
Name
Cheuw Oey
Credential
D.O.
Primary taxonomy
Anesthesiology Physician 207L00000X
License number
20A8478 CA
Self-reported in NPPES; status is on the state search
Practice location
1111 W LA Palma Ave, Anaheim, CA 92801
Phone
(714) 774-1450
Enumerated
Dec 21, 2006
Record last updated
Oct 27, 2010 (not updated in 16 years: call before relying on the address or phone)
Medicare enrollment
Enrolled (PECOS I20040728000286); accepts Medicare assignment
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.
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Also registered at 1111 W LA Palma Ave

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

  1. Ruke Achoja, MDAnesthesiology Physician1700143914
  2. Katherine Atienza, RNGastroenterology Registered Nurse1386500221
  3. Sheryn Atkinson, RNCommunity Health Registered Nurse1285252387
  4. Lupita Cervantes RoblesClinical Social Worker1982482717
  5. Bharat Chauhan, M.D.Infectious Disease Physician1730243759
  6. Tara Chiazza, LCSWSocial Worker1306056353

Verify Cheuw Oey in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A8478
    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.

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Bills Medicare through one group practice

  1. Orange Coast Anesthesia IncLos Alamitos, CA

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

Cheuw Oey among 7,571 anesthesiology physician records in California

Cheuw Oey, D.O. is one of 7,571 anesthesiology physician records with a practice address in California. 71% 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, 53% newer
  • In a Medicare fileYes · 71% of these records are
  • In the CMS Doctors and Clinicians fileYes · 64% of these records are
  • Graduated1998 · median 2006 among the 4,868 with a school on file
  • Record last updated2010 · 63% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207L00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Anesthesiology Physician providers in California

There are 7,571 anesthesiology physician records in California.

The 8 anesthesiology physician records with the nearest ZIP codes

  1. Ruke Achoja, MDAnaheim, CA 928011700143914
  2. Jason Chua, M.D.Anaheim, CA 928011164611695
  3. Edgat Cosme, M.D.Anaheim, CA 928011750587382
  4. Ernesto Gidaya, MDAnaheim, CA 928011003873522
  5. Trang Hoang, M.D.Anaheim, CA 928011699783993
  6. Frederick Jacobson, M.D.Anaheim, CA 928011265478127
  7. Maureen Li, M.D.Anaheim, CA 928011083868152
  8. Avery Mittman, M.D.Anaheim, CA 928011407929375

Common questions

What is Cheuw Oey, D.O.'s NPI number?

Cheuw Oey, D.O.'s National Provider Identifier (NPI) is 1609930866, issued on Dec 21, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Cheuw Oey, D.O. located?

The NPPES record lists a practice address at 1111 W LA Palma Ave, Anaheim, CA, 92801. Phone: (714) 774-1450. Providers update this record themselves, so call before visiting.

How can I verify Cheuw Oey, D.O.'s license?

NPPES lists California license number 20A8478, 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.