Diane Tran, MD
NPI 1962665786 · Advanced Heart Failure and Transplant Cardiology Physician · Mission Viejo, CA
Enrolled with Medicare as Practitioner - Advanced Heart Failure and Transplant Cardiology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Diane Tran, MD is a Advanced Heart Failure and Transplant Cardiology Physician provider in Mission Viejo, CA (NPI 1962665786).
Provider details
- NPI number
- 1962665786
- Entity type
- Individual
- Primary specialty
- Advanced Heart Failure and Transplant Cardiology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- 16613 (HI)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
18 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
1,112 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 282 | $132 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 140 | $17 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 50 Minutes99233 | 129 | $118 |
| Initial Hospital Care With Straightforward Or Low-Level Medical Decision Making, If Using Time, at Least 55 Minutes99222 | 117 | $130 |
| Subsequent Hospital Care With Moderate Levelof Medical Decision Making, If Using Time, at Least 35 Minutes99232 | 108 | $78 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 43 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Metoprolol Succinate | 413 | 146 |
| Spironolactone | 356 | 121 |
| Empagliflozinbrand: Jardiance | 286 | 89 |
| Carvedilol | 276 | 113 |
| Sacubitril/Valsartanbrand: Entresto | 273 | 84 |
| Atorvastatin Calcium | 242 | 99 |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,696 across 45 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 11234 Anderson Stress1617Loma Linda, CA 92354Phone: (909) 558-4756Fax: (909) 558-0309
Registry dates
- Enumerated
- 2008-07-02
- Last updated
- 2026-05-15
- Certified
- 2026-05-15
Frequently asked questions
- What is Diane Tran's NPI number?
- Diane Tran's National Provider Identifier (NPI) is 1962665786, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Diane Tran's specialty?
- Diane Tran is listed in the NPPES registry with a primary specialty of Advanced Heart Failure and Transplant Cardiology Physician (Allopathic & Osteopathic Physicians).
- Where is Diane Tran located?
- Diane Tran's practice location on file with NPPES is 26800 Crown Valley Pkwy Ste 250, Mission Viejo, CA 92691-8038.
- What is Diane Tran's phone number?
- The practice phone number listed in the NPPES registry for Diane Tran is (949) 364-3570.
- Does Diane Tran accept Medicare?
- Diane Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Diane Tran's NPI active?
- Yes — Diane Tran's NPI (1962665786) is active in the NPPES registry as of the last update on 2026-05-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.