Lyndon Chang, MD
Specialist · San Diego, CA
Lyndon Chang, MD is a specialist with a practice address in San Diego, California, and NPI 1275593261, issued on Mar 24, 2006. Check the license with the California board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Lyndon Chang
- Credential
- MD
- Primary taxonomy
- Specialist 174400000X
- License number
- 192851 NY
Self-reported in NPPES; status is on the state search - Practice location
- 4910 Directors PL Ste 150, San Diego, CA 92121
- Phone
- (855) 360-6730
- Enumerated
- Mar 24, 2006
- Record last updated
- Aug 26, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 01586814 NY
- Entity
- Type 1 · individual
8 nearest specialist records → All 5,749 in California → Look up another NPI →
Verify Lyndon Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich California board licenses this professionCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average specialist in 2024
13 Medicare Part D claims, against an average of 1,380 among the 8,233 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of 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: $263.93
10 payments; by number, the most common kind was food and beverage; the largest payer was Organon Llc. The 5,844 providers of this specialty with any payment received $4,760.79 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.
Lyndon Chang among 5,749 specialist records in California
Lyndon Chang, MD is one of 5,749 specialist records with a practice address in California. 30% 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 7% of them.
- NPI issued2006 · 7% of these records are older, 60% newer
- In a Medicare fileYes · 30% of these records are
- In the CMS Doctors and Clinicians fileNo · 19% of these records are
- Record last updated2015 · 77% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 174400000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Specialist providers in California
There are 5,749 specialist records in California.
All 5,749 in California → Every provider in San Diego → Specialist nationwide →
The 8 specialist records with the nearest ZIP codes
- William Bailey, D.O.San Diego, CA 921211063623486
- Chase Bennett, DDSSan Diego, CA 921211043566706
- David Bortz, M.D., F.A.C.P.San Diego, CA 921211336291665
- Mindy Cetel, M.D.San Diego, CA 921211003843335
- Russell Dunnum, M.D.San Diego, CA 921211396856290
- Milton Erman, M.D.San Diego, CA 921211619993490
- Michael Maio, C.E.S.,C.P.T.,C.N.San Diego, CA 921211396076998
- Rebecca Miksic, OTR/LSan Diego, CA 921211750533097
Common questions
What is Lyndon Chang, MD's NPI number?
Lyndon Chang, MD's National Provider Identifier (NPI) is 1275593261, issued on Mar 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Lyndon Chang, MD located?
The NPPES record lists a practice address at 4910 Directors PL Ste 150, San Diego, CA, 92121. Phone: (855) 360-6730. Providers update this record themselves, so call before visiting.
How can I verify Lyndon Chang, MD's license?
Search the California board that licenses this profession; the NPPES record confirms identity only.
How much does Lyndon Chang, MD prescribe under Medicare Part D?
In 2024, Lyndon Chang, MD had 13 Medicare Part D claims; the average among specialist prescribers was 1,380. 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.