Olivia Tran, PA
NPI 1649779109 · Physician Assistant · Hollister, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Olivia Tran, PA is a Physician Assistant provider in Hollister, CA (NPI 1649779109).
Provider details
- NPI number
- 1649779109
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Female
- Sole proprietor
- No
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
8 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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 methodology.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 35 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 132 | 53 |
| Metformin Hcl | 84 | 26 |
| Levothyroxine Sodium | 81 | 20 |
| Lisinopril | 68 | 22 |
| Amlodipine Besylate | 54 | 21 |
| Semaglutidebrand: Ozempic | 53 | — |
| Losartan Potassium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$643 across 29 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
- 2018-02-09
- Last updated
- 2025-02-11
- Certified
- 2025-02-11
Frequently asked questions
- What is Olivia Tran's NPI number?
- Olivia Tran's National Provider Identifier (NPI) is 1649779109, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Olivia Tran's specialty?
- Olivia Tran is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Olivia Tran located?
- Olivia Tran's practice location on file with NPPES is 591 Mccray St Ste 231, Hollister, CA 95023-2224.
- What is Olivia Tran's phone number?
- The practice phone number listed in the NPPES registry for Olivia Tran is (831) 636-3116.
- Does Olivia Tran accept Medicare?
- Olivia Tran is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Olivia Tran's NPI active?
- Yes — Olivia Tran's NPI (1649779109) is active in the NPPES registry as of the last update on 2025-02-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.