Dennis Wong
Internal Medicine Physician · Downey, CA
Dennis Wong is an internal medicine physician with a practice address in Downey, California, and NPI 1457455834, issued on Sep 7, 2006. Check the license (California A66176, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Dennis Wong
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A66176 CA
Self-reported in NPPES; status is on the state search - Practice location
- 7601 Imperial Hwy, Downey, CA 90242
- Phone
- (562) 401-6260
- Enumerated
- Sep 7, 2006
- Record last updated
- Oct 6, 2014 (not updated in 12 years: call before relying on the address or phone)
- Fax
- (562) 401-7604
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 17,696 in California → Look up another NPI →
Also registered at 7601 Imperial Hwy
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Leslie AedoSpeech-Language Pathologist1255865259
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Verify Dennis Wong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A66176Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
89% fewer Medicare Part D claims than the average internal medicine physician in 2024
337 Medicare Part D claims for 52 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 12 claims were for opioids.
Most prescribed
- Amlodipine Besylate26 claims
- Atorvastatin Calcium25 claims
- Carvedilol16 claims
- Losartan Potassium11 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: $191.20
2 payments; by number, the most common kind was food and beverage; the largest payer was Abbott Laboratories. 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.
Dennis Wong among 17,696 internal medicine physician records in California
Dennis Wong 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 updated2014 · 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).
114 internal medicine physician records list a practice address in Downey
They are 114 of the 3,607 NPPES records with a practice address in Downey, and 17,696 internal medicine physician records in California.
All 17,696 in California → Every provider in Downey → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Sohail Afra, M.D.Downey, CA 902421023125176
- Ron Chai, M.D.Downey, CA 902421447361316
- Ronald Collins, M.D.Downey, CA 902421235176181
- Rashmi Desai, M.D.Downey, CA 902421801990247
- Basuki Gunawan, M.D.Downey, CA 902421346352473
- Danese Hayes, M.D.Downey, CA 902421689786733
- Goethe Hsu, M.D.Downey, CA 902421386656726
- Diana Hsu, M.D.Downey, CA 902421720090137
Common questions
What is Dennis Wong's NPI number?
Dennis Wong's National Provider Identifier (NPI) is 1457455834, issued on Sep 7, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Dennis Wong located?
The NPPES record lists a practice address at 7601 Imperial Hwy, Downey, CA, 90242. Phone: (562) 401-6260. Providers update this record themselves, so call before visiting.
How can I verify Dennis Wong's license?
NPPES lists California license number A66176, 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 Dennis Wong prescribe under Medicare Part D?
In 2024, Dennis Wong had 337 Medicare Part D claims for 52 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.