James Tran, M.D.
NPI 1598781346 · Cardiovascular Disease Physician · Westminster, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
James Tran, M.D. is a Cardiovascular Disease Physician provider in Westminster, CA (NPI 1598781346).
Provider details
- NPI number
- 1598781346
- Entity type
- Individual
- Primary specialty
- Cardiovascular Disease PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G83026 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
19 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
7,374 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 Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 1,486 | $93 |
| Routine Electrocardiogram (ecg) Using at Least 12 Leads With Interpretation and Report93000 | 892 | $14 |
| Blood Glucose (sugar) Test Performed By Hand-Held Instrument82962 | 697 | $3 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 695 | $131 |
| Smoking and Tobacco Use Intensive Counseling, More Than 10 Minutes99407 | 446 | $27 |
| Collection and Interpretation of Physical Parameters Stored in Computers And/Or Transmitted By the Patient And/Or Caregiver to Qualified Health Care Professional, Requiring 30 Minutes Or More, Per 30 Days |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 97 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 810 | 266 |
| Icosapent Ethylbrand: Vascepa | 804 | 201 |
| Azithromycin | 736 | 421 |
| Metoprolol Succinate | 605 | 184 |
| Finerenonebrand: Kerendia | 566 | 129 |
| Ticagrelorbrand: Brilinta | 499 | 92 |
| Linaclotidebrand: Linzess | 462 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$2,679 across 84 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
Registry dates
- Enumerated
- 2006-07-14
- Last updated
- 2007-07-08
Frequently asked questions
- What is James Tran's NPI number?
- James Tran's National Provider Identifier (NPI) is 1598781346, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is James Tran's specialty?
- James Tran is listed in the NPPES registry with a primary specialty of Cardiovascular Disease Physician (Allopathic & Osteopathic Physicians).
- Where is James Tran located?
- James Tran's practice location on file with NPPES is 15623 Brookhurst St, Westminster, CA 92683-7556.
- What is James Tran's phone number?
- The practice phone number listed in the NPPES registry for James Tran is (714) 531-9555.
- Does James Tran accept Medicare?
- James Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is James Tran's NPI active?
- Yes — James Tran's NPI (1598781346) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.