NPPES file of Aug 9, 2026

Khoa Cong Luong, D.O.

Emergency Medicine Physician · Chino, CA

Khoa Cong Luong, D.O. is an emergency medicine physician with a practice address in Chino, California, and NPI 1649253691, issued on Nov 23, 2005. Check the license (California 20A7838, 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 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1649253691
Name
Khoa Cong Luong
Credential
D.O.
Primary taxonomy
Emergency Medicine Physician 207P00000X
License numbers
20A7838 CA
5101013560 MI
Self-reported in NPPES; status is on the state search
Practice location
4755 Doheny Dr, Chino, CA 91710
Phone
(909) 591-0051
Enumerated
Nov 23, 2005
Record last updated
Nov 17, 2021 (not updated in 5 years: call before relying on the address or phone)
Medicaid IDs
3332971 MI
00AX78380 CA
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
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Verify Khoa Cong Luong in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A7838
    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

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2.3 times the Medicare Part D claims of the average emergency medicine physician in 2024

517 Medicare Part D claims for 308 beneficiaries, against an average of 226 among the 54,106 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims. 101 claims were for opioids.

  1. Khoa Luong517
  2. Specialty average226

Most prescribed

  1. Hydrocodone-Acetaminophen61 claims
  2. Cefpodoxime Proxetil60 claims
  3. Ondansetron Odt36 claims
  4. Tramadol Hcl29 claims
  5. Prednisone27 claims
  6. Amoxicillin-Clavulanate Potass23 claims

Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.

Khoa Cong Luong among 7,751 emergency medicine physician records in California

Khoa Cong Luong, D.O. is one of 7,751 emergency medicine physician records with a practice address in California. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 96% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 59% of these records are
  • Record last updated2021 · 59% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207P00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

14 emergency medicine physician records list a practice address in Chino

They are 14 of the 1,097 NPPES records with a practice address in Chino, and 7,751 emergency medicine physician records in California.

The 8 emergency medicine physician records with the nearest ZIP codes

  1. Ashraf Abdel-KerimChino, CA 917101396961538
  2. Michael CaoChino, CA 917101649638628
  3. Martin Carrillo, M.D.Chino, CA 917101861436339
  4. Douglas Cochrane, M.D.Chino, CA 917101417991811
  5. Jose Diaz, M.D.Chino, CA 917101306880836
  6. Pranav Kachhi, M.D.Chino, CA 917101801836606
  7. Ashok Madahar, M.D.Chino, CA 917101902846710
  8. Jason Mathews, DOChino, CA 917101316353865

Common questions

What is Khoa Cong Luong, D.O.'s NPI number?

Khoa Cong Luong, D.O.'s National Provider Identifier (NPI) is 1649253691, issued on Nov 23, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Khoa Cong Luong, D.O. located?

The NPPES record lists a practice address at 4755 Doheny Dr, Chino, CA, 91710. Phone: (909) 591-0051. Providers update this record themselves, so call before visiting.

How can I verify Khoa Cong Luong, D.O.'s license?

NPPES lists California license number 20A7838, 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.

How much does Khoa Cong Luong, D.O. prescribe under Medicare Part D?

In 2024, Khoa Cong Luong, D.O. had 517 Medicare Part D claims for 308 beneficiaries; the average among emergency medicine physician prescribers was 226. Part D covers Medicare prescriptions only.

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.