NPPES file of Aug 9, 2026

Joy Lee

Internal Medicine Physician · Downey, CA

Joy Lee is an internal medicine physician with a practice address in Downey, California, and NPI 1366062507, issued on Apr 17, 2020. Check the license (California 20A21122, 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
1366062507
Name
Joy Lee
Primary taxonomy
Internal Medicine Physician 207R00000X
License number
20A21122 CA
Self-reported in NPPES; status is on the state search
Practice location
9333 Imperial Hwy, Downey, CA 90242
Phone
(833) 574-2273
Enumerated
Apr 17, 2020
Record last updated
Oct 27, 2023
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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Also registered at 9333 Imperial Hwy

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

  1. Gemma AbadPlastic Surgery Registered Nurse1740017649
  2. Omar Ahmed, M.D.Anesthesiology Physician1831439231
  3. Fataneh Amidi, MDObstetrics & Gynecology Physician1134357981
  4. Fariba Amini, RCPRegistered Respiratory Therapist1962984302
  5. Orland AndayaRegistered Respiratory Therapist1598247751
  6. Michelle Andersen, D.P.T.Physical Therapist1295165231

Verify Joy Lee in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersMedical Board of California
    Search for license 20A21122
    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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90% fewer Medicare Part D claims than the average internal medicine physician in 2024

308 Medicare Part D claims for 119 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 11% of claims. 14 claims were for opioids.

  1. Joy Lee308
  2. Specialty average3,176

Most prescribed

  1. Furosemide28 claims
  2. Cefpodoxime Proxetil13 claims
  3. Hydralazine Hcl13 claims
  4. Potassium Chloride12 claims
  5. Amoxicillin-Clavulanate Potass11 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.

Joy Lee among 17,696 internal medicine physician records in California

Joy Lee 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 2020, is newer than 89% of them.

  • NPI issued2020 · 89% of these records are older, 8% newer
  • In a Medicare fileYes · 79% of these records are
  • In the CMS Doctors and Clinicians fileNo · 63% of these records are
  • Record last updated2023 · 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.

The 8 internal medicine physician records with the nearest ZIP codes

  1. Sohail Afra, M.D.Downey, CA 902421023125176
  2. Ron Chai, M.D.Downey, CA 902421447361316
  3. Ronald Collins, M.D.Downey, CA 902421235176181
  4. Rashmi Desai, M.D.Downey, CA 902421801990247
  5. Basuki Gunawan, M.D.Downey, CA 902421346352473
  6. Danese Hayes, M.D.Downey, CA 902421689786733
  7. Goethe Hsu, M.D.Downey, CA 902421386656726
  8. Diana Hsu, M.D.Downey, CA 902421720090137

Common questions

What is Joy Lee's NPI number?

Joy Lee's National Provider Identifier (NPI) is 1366062507, issued on Apr 17, 2020. An NPI identifies a provider in billing; it is not a license.

Where is Joy Lee located?

The NPPES record lists a practice address at 9333 Imperial Hwy, Downey, CA, 90242. Phone: (833) 574-2273. Providers update this record themselves, so call before visiting.

How can I verify Joy Lee's license?

NPPES lists California license number 20A21122, 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 Joy Lee prescribe under Medicare Part D?

In 2024, Joy Lee had 308 Medicare Part D claims for 119 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.