Vivian Tran, M.D.
NPI 1427492891 · Internal Medicine Physician · San Diego, CA
Enrolled with Medicare as Practitioner - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Vivian Tran, M.D. is a Internal Medicine Physician provider in San Diego, CA (NPI 1427492891).
Provider details
- NPI number
- 1427492891
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Female
- Sole proprietor
- No
- License
- A132706 (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
13 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
627 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 | 256 | $137 |
| 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 | 171 | $17 |
| Annual Wellness Visit, Includes a Personalized Prevention Plan of Service (pps), Subsequent VisitG0439 | 58 | $139 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 57 | $97 |
| Administration of Influenza Virus VaccineG0008 | 27 | $35 |
| Admn Sarscov2 Vacc 1 Dose |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 52 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Rosuvastatin Calcium | 170 | 59 |
| Losartan Potassium | 158 | 49 |
| Atorvastatin Calcium | 152 | 52 |
| Amlodipine Besylate | 137 | 50 |
| Levothyroxine Sodium | 118 | 40 |
| Lisinopril | 98 | 35 |
| Metformin Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$100 across 4 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 StGme Office Westerly Suite CLoma Linda, CA 92354-2804Phone: (909) 558-4074
Registry dates
- Enumerated
- 2013-04-29
- Last updated
- 2022-07-21
Frequently asked questions
- What is Vivian Tran's NPI number?
- Vivian Tran's National Provider Identifier (NPI) is 1427492891, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Vivian Tran's specialty?
- Vivian Tran is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Vivian Tran located?
- Vivian Tran's practice location on file with NPPES is 7565 Mission Valley Rd Ste 200-S91, San Diego, CA 92108-4431.
- What is Vivian Tran's phone number?
- The practice phone number listed in the NPPES registry for Vivian Tran is (619) 245-2350.
- Does Vivian Tran accept Medicare?
- Vivian Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Vivian Tran's NPI active?
- Yes — Vivian Tran's NPI (1427492891) is active in the NPPES registry as of the last update on 2022-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.