Derek Bryan Chinn, DO
Pulmonary Disease Physician · San Diego, CA
Derek Bryan Chinn, DO is a pulmonary disease physician with a practice address in San Diego, California, and NPI 1932697174, issued on Apr 24, 2018. Check the license (California 20A17846, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Derek Bryan Chinn
- Credential
- DO
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- 20A17846 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4520 Executive Dr Ste 111, San Diego, CA 92121
- Phone
- (800) 926-8273
- Enumerated
- Apr 24, 2018
- Record last updated
- Jun 25, 2026
- Medicare enrollment
- Enrolled (PECOS I20210805000466); accepts Medicare assignment
- Medical or professional school
- Arizona College Of Osteopathic Medicine Mid Western University, 2018
- Entity
- Type 1 · individual
8 nearest pulmonary disease physician records → All 1,443 in California → Look up another NPI →
Also registered at 4520 Executive Dr Ste 111
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristina Graham, NBC-HWCHealth & Wellness Coach1568040434
Verify Derek Bryan Chinn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license 20A17846Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
102 Medicare Part D claims for 21 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Albuterol Sulfate Hfa22 claims
- Montelukast Sodium15 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.
Bills Medicare through one group practice
- Regents OF The University OF CaliforniaSan Diego, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Derek Bryan Chinn among 1,443 pulmonary disease physician records in California
Derek Bryan Chinn, DO is one of 1,443 pulmonary disease physician records with a practice address in California. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2018, is newer than 93% of them.
- NPI issued2018 · 93% of these records are older, 5% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 74% of these records are
- Graduated2018 · median 2002 among the 1,061 with a school on file
- Record last updated2026 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RP1001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Pulmonary Disease Physician providers in California
There are 1,443 pulmonary disease physician records in California.
All 1,443 in California → Every provider in San Diego → Pulmonary Disease Physician nationwide →
The 8 pulmonary disease physician records with the nearest ZIP codes
- Zehra Nizar Dhanani, MDSan Diego, CA 921211558857672
- Ana Lucia Fuentes Baldarrago, MDSan Diego, CA 921211790246684
- Michael MarllSan Diego, CA 921211699235796
- Anu MenonSan Diego, CA 921211306379060
- Megan Trieu, MDSan Diego, CA 921211891299400
- Randy Dalugdugan, M.D.San Diego, CA 921201043477896
- Edward Federman, M.D.San Diego, CA 921201548369648
- Garrett Foulke, M.D.San Diego, CA 921221376819011
Common questions
What is Derek Bryan Chinn, DO's NPI number?
Derek Bryan Chinn, DO's National Provider Identifier (NPI) is 1932697174, issued on Apr 24, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Derek Bryan Chinn, DO located?
The NPPES record lists a practice address at 4520 Executive Dr Ste 111, San Diego, CA, 92121. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Derek Bryan Chinn, DO's license?
NPPES lists California license number 20A17846, 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 Derek Bryan Chinn, DO prescribe under Medicare Part D?
In 2024, Derek Bryan Chinn, DO had 102 Medicare Part D claims for 21 beneficiaries; the average among pulmonary disease physician prescribers was 1,425. 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.