Diane D. Tran, MD
Advanced Heart Failure and Transplant Cardiology Physician · Mission Viejo, CA
Diane D. Tran, MD is an advanced heart failure and transplant cardiology physician with a practice address in Mission Viejo, California, and NPI 1962665786, issued on Jul 2, 2008. Check the license (California A135647, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Diane D. Tran
- Credential
- MD
- Primary taxonomy
- Advanced Heart Failure and Transplant Cardiology Physician 207RA0001X
- License numbers
- A135647 CA
12218 16015811 1A CT
16613 HI
Self-reported in NPPES; status is on the state search - Practice location
- 26800 Crown Valley Pkwy Ste 250, Mission Viejo, CA 92691
- Phone
- (949) 364-3570
- Enumerated
- Jul 2, 2008
- Record last updated
- May 15, 2026
- Medicare enrollment
- Enrolled (PECOS I20210525001418); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest advanced heart failure and transplant cardiology physician records → All 115 in California → Look up another NPI →
Also registered at 26800 Crown Valley Pkwy Ste 250
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Ihab Alomari, MDInterventional Cardiology Physician1669628319
- Christine Coy, MS, RDRegistered Dietitian1245218437
- Bennett Cua, M.D.Cardiovascular Disease Physician1962791772
- Absalom Hepner, M.D.Nuclear Cardiology Physician1205880994
- Donald Rediker, M.D.Cardiovascular Disease Physician1144207333
- Yicheng Tang, M.D.Cardiovascular Disease Physician1811459811
Verify Diane D. Tran in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A135647Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
90% more Medicare Part D claims than the average advanced heart failure and transplant cardiology physician in 2024
3,738 Medicare Part D claims for 602 beneficiaries, against an average of 1,965 among the 1,124 providers of this specialty who prescribed in Part D. Brand-name drugs were 27% of claims.
Most prescribed
- Metoprolol Succinate413 claims
- Spironolactone356 claims
- Jardiance286 claims
- Carvedilol276 claims
- Entresto273 claims
- Atorvastatin Calcium242 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 85.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $1,695.96
45 payments; by number, the most common kind was food and beverage; the largest payer was Abiomed. The 1,027 providers of this specialty with any payment received $10,265.85 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 2 group practices
- Faculty Physicians And Surgeons OF LlusmLoma Linda, CA
- Providence Medical FoundationMission Viejo, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Diane D. Tran among 115 advanced heart failure and transplant cardiology physician records in California
Diane D. Tran, MD is one of 115 advanced heart failure and transplant cardiology physician records with a practice address in California. 98% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2008, is newer than 41% of them.
- NPI issued2008 · 41% of these records are older, 49% newer
- In a Medicare fileYes · 98% of these records are
- In the CMS Doctors and Clinicians fileYes · 95% of these records are
- Graduated2008 · median 2007 among the 109 with a school on file
- Record last updated2026 · 43% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RA0001X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Advanced Heart Failure and Transplant Cardiology Physician providers in California
There are 115 advanced heart failure and transplant cardiology physician records in California.
All 115 in California → Every provider in Mission Viejo → Advanced Heart Failure and Transplant Cardiology Physician nationwide →
The 8 advanced heart failure and transplant cardiology physician records with the nearest ZIP codes
- Andy Lee, MDNewport Beach, CA 926631013250463
- Jay Patel, M.D.Newport Beach, CA 926601033479100
- Dawn Lombardo, DOOrange, CA 928681205944485
- Behram Mody, MDOrange, CA 928681720346240
- Deepti Upparapalli, M.D.Orange, CA 928681366896771
- Dmitry Abramov, M.D.Loma Linda, CA 923541649439670
- Tanya Doctorian, M.D.Loma Linda, CA 923541275917940
- Antoine Sakr, M.D.Loma Linda, CA 923541609058106
Common questions
What is Diane D. Tran, MD's NPI number?
Diane D. Tran, MD's National Provider Identifier (NPI) is 1962665786, issued on Jul 2, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Diane D. Tran, MD located?
The NPPES record lists a practice address at 26800 Crown Valley Pkwy Ste 250, Mission Viejo, CA, 92691. Phone: (949) 364-3570. Providers update this record themselves, so call before visiting.
How can I verify Diane D. Tran, MD's license?
NPPES lists California license number A135647, 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 Diane D. Tran, MD prescribe under Medicare Part D?
In 2024, Diane D. Tran, MD had 3,738 Medicare Part D claims for 602 beneficiaries; the average among advanced heart failure and transplant cardiology physician prescribers was 1,965. Part D covers Medicare prescriptions only.
What is Diane D. Tran, MD's MIPS final score?
The 2023 MIPS final score is 85.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.