Khang Ngoc Nguyen, M.D.
Internal Medicine Physician · Long Beach, CA
Khang Ngoc Nguyen, M.D. is an internal medicine physician with a practice address in Long Beach, California, and NPI 1245203074, issued on Feb 10, 2006. Check the license (California A80496, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Khang Ngoc Nguyen
- Credential
- M.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A80496 CA
Self-reported in NPPES; status is on the state search - Practice location
- 2801 Atlantic Ave, Long Beach, CA 90806
- Phone
- (562) 426-3333
- Enumerated
- Feb 10, 2006
- Record last updated
- Jan 4, 2026
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 2801 Atlantic Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Naima Abdirahman, NPAcute Care Nurse Practitioner1215640560
- William AbeClinical Social Worker1316550148
- Holly Adams, MSW, LCSW, OSW-CClinical Social Worker1639591134
- Jennifer Agnew, PHARM. DPharmacist1285435685
- Mannat Agnish, MD, MPHStudent in an Organized Health Care Education/Training Program1881321883
- Mary Elaine Aguilar-Choomngern, NPMedical-Surgical Registered Nurse1033765474
Verify Khang Ngoc Nguyen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A80496Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
82% fewer Medicare Part D claims than the average internal medicine physician in 2024
581 Medicare Part D claims for 31 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D.
Most prescribed
- Memantine Hcl42 claims
- Eliquis32 claims
- Metoprolol Tartrate32 claims
- Furosemide31 claims
- Atorvastatin Calcium29 claims
- Famotidine28 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.
Industry payments in 2024: $15.00
1 payment: food and beverage; the largest payer was Conmed Corporation. The 50,334 providers of this specialty with any payment received $1,303.06 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Khang Ngoc Nguyen among 17,696 internal medicine physician records in California
Khang Ngoc Nguyen, M.D. is one of 17,696 internal medicine physician records with a practice address in California. 79% 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, 56% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileNo · 63% of these records are
- Record last updated2026 · 61% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
221 internal medicine physician records list a practice address in Long Beach
They are 221 of the 13,650 NPPES records with a practice address in Long Beach, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Long Beach → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- John Adams, D.O.Long Beach, CA 908061801852900
- Mark Asbill, M.D.Long Beach, CA 908061558310896
- Alla Gartsman, M.D.Long Beach, CA 908061457317133
- Sabrina Harper, MDLong Beach, CA 908061023081924
- Richard Im, MDLong Beach, CA 908061972586840
- Tina Kitajima, M.D.Long Beach, CA 908061033164892
- Angela Lamotte, M.D.Long Beach, CA 908061538166764
- Raymond Lee, M.D.Long Beach, CA 908061295790277
Common questions
What is Khang Ngoc Nguyen, M.D.'s NPI number?
Khang Ngoc Nguyen, M.D.'s National Provider Identifier (NPI) is 1245203074, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Khang Ngoc Nguyen, M.D. located?
The NPPES record lists a practice address at 2801 Atlantic Ave, Long Beach, CA, 90806. Phone: (562) 426-3333. Providers update this record themselves, so call before visiting.
How can I verify Khang Ngoc Nguyen, M.D.'s license?
NPPES lists California license number A80496, 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 Khang Ngoc Nguyen, M.D. prescribe under Medicare Part D?
In 2024, Khang Ngoc Nguyen, M.D. had 581 Medicare Part D claims for 31 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.