Megan Trieu, MD
Pulmonary Disease Physician · San Diego, CA
Megan Trieu, MD is a pulmonary disease physician with a practice address in San Diego, California, and NPI 1891299400, issued on Mar 19, 2018. Check the license (California A165428, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Megan Trieu
- Credential
- MD
- Primary taxonomy
- Pulmonary Disease Physician 207RP1001X
- License number
- A165428 CA
Self-reported in NPPES; status is on the state search - Practice location
- 4520 Executive Dr, San Diego, CA 92121
- Phone
- (800) 926-8273
- Enumerated
- Mar 19, 2018
- Record last updated
- May 16, 2025
- Medicare enrollment
- Enrolled (PECOS I20210513002980); accepts Medicare assignment
- Medical or professional school
- University Of California, Geffen School Of Medicine, 2018
- Telehealth
- Offers telehealth (CMS)
- 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
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathryn Affleck, PTPhysical Therapist1922026491
- Tara Akins, FNPFamily Nurse Practitioner1548475072
- Praveen Akuthota, M.D.Critical Care Medicine (Internal Medicine) Physician1396704698
- Mario Alberti, DDSGeneral Practice Dentistry1982705893
- John Alexander, PTPhysical Therapist1194743674
- Daniel Crouch, MDCritical Care Medicine (Internal Medicine) Physician1710182423
Verify Megan Trieu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A165428Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
94% fewer Medicare Part D claims than the average pulmonary disease physician in 2024
90 Medicare Part D claims for 18 beneficiaries, against an average of 1,425 among the 11,596 providers of this specialty who prescribed in Part D. Brand-name drugs were 40% of claims.
Most prescribed
- Breyna15 claims
- Montelukast Sodium14 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: $25.60
1 payment: food and beverage; the largest payer was Merck Sharp & Dohme LLC. The 8,806 providers of this specialty with any payment received $5,159.88 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.
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).
Megan Trieu among 1,443 pulmonary disease physician records in California
Megan Trieu, MD 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 updated2025 · 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
- Derek Chinn, DOSan Diego, CA 921211932697174
- 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
- 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 Megan Trieu, MD's NPI number?
Megan Trieu, MD's National Provider Identifier (NPI) is 1891299400, issued on Mar 19, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Megan Trieu, MD located?
The NPPES record lists a practice address at 4520 Executive Dr, San Diego, CA, 92121. Phone: (800) 926-8273. Providers update this record themselves, so call before visiting.
How can I verify Megan Trieu, MD's license?
NPPES lists California license number A165428, 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 Megan Trieu, MD prescribe under Medicare Part D?
In 2024, Megan Trieu, MD had 90 Medicare Part D claims for 18 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.