NPPES file of Aug 9, 2026

John Hon Sang Lee, D.O

Family Medicine Physician · La Palma, CA

John Hon Sang Lee, D.O is a family medicine physician with a practice address in La Palma, California, and NPI 1962464115, issued on Apr 4, 2006. Check the license (California 20A7297, 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
1962464115
Name
John Hon Sang Lee
Credential
D.O
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
20A7297 CA
Self-reported in NPPES; status is on the state search
Practice location
7872 Walker St, La Palma, CA 90623
Phone
(714) 522-4009
Enumerated
Apr 4, 2006
Record last updated
Nov 5, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(714) 522-7328
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 7872 Walker St

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

  1. Maggie HagaClinical Social Worker1427178367
  2. Joseph Hahn, D.D.SProsthodontics1366846610
  3. Jamie Hainlen, NPNurse Practitioner1730724741
  4. Judy Helbon, LCSWClinical Social Worker1942366513
  5. Chao Hung Kao, MSW, RN, FNP-CNurse Practitioner1629303698
  6. Caleb KilMedical Physician Assistant1699319848

Verify John Hon Sang 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 20A7297
    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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99% fewer Medicare Part D claims than the average family medicine physician in 2024

26 Medicare Part D claims, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D.

  1. John Lee26
  2. Specialty average3,544

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.

John Hon Sang Lee among 17,133 family medicine physician records in California

John Hon Sang Lee, D.O is one of 17,133 family 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 2006, is newer than 6% of them.

  • NPI issued2006 · 6% of these records are older, 59% newer
  • In a Medicare fileYes · 81% of these records are
  • In the CMS Doctors and Clinicians fileNo · 62% of these records are
  • Record last updated2012 · 58% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

17 family medicine physician records list a practice address in La Palma

They are 17 of the 593 NPPES records with a practice address in La Palma, and 17,133 family medicine physician records in California.

The 8 family medicine physician records with the nearest ZIP codes

  1. Monica Casoliva, MDLa Palma, CA 906231730495110
  2. Terry Chan, MDLa Palma, CA 906231336349216
  3. Suman Chopra, MDLa Palma, CA 906231407968662
  4. Virendra Desai, M.D.La Palma, CA 906231962518357
  5. Tony Do, DOLa Palma, CA 906231942387956
  6. Terrisa HaLa Palma, CA 906231083675516
  7. Nasrin Lopa, M.D.La Palma, CA 906231982750014
  8. Binh Nguyen, MDLa Palma, CA 906231437480902

Common questions

What is John Hon Sang Lee, D.O's NPI number?

John Hon Sang Lee, D.O's National Provider Identifier (NPI) is 1962464115, issued on Apr 4, 2006. An NPI identifies a provider in billing; it is not a license.

Where is John Hon Sang Lee, D.O located?

The NPPES record lists a practice address at 7872 Walker St, La Palma, CA, 90623. Phone: (714) 522-4009. Providers update this record themselves, so call before visiting.

How can I verify John Hon Sang Lee, D.O's license?

NPPES lists California license number 20A7297, 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 John Hon Sang Lee, D.O prescribe under Medicare Part D?

In 2024, John Hon Sang Lee, D.O had 26 Medicare Part D claims; the average among family medicine physician prescribers was 3,544. 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.