Jullian Nguyen, MD
NPI 1548764400 · Sports Medicine (Family Medicine) Physician · Hollister, CA
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Jullian Nguyen, MD is a Sports Medicine (Family Medicine) Physician provider in Hollister, CA (NPI 1548764400).
Provider details
- NPI number
- 1548764400
- Entity type
- Individual
- Primary specialty
- Sports Medicine (Family Medicine) PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
553 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 | 228 | $111 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 204 | $155 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 36 | $87 |
| Telephone Medical Discussion With Physician, 5-10 Minutes99441 | 34 | $69 |
| Urinalysis, Manual Test81002 | 29 | $3 |
| Amplifed Dna Or Rna Probe Detection of Severe Acute Respiratory Syndrome Coronavirus 2 (covid-19) Antigen87635 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 46 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 158 | 58 |
| Amlodipine Besylate | 61 | 19 |
| Trazodone Hcl | 57 | 24 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 57 | 54 |
| Hydrochlorothiazide | 56 | 24 |
| Lisinopril | 55 | 20 |
| Levothyroxine Sodium |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$138 across 7 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
- 2018-03-23
- Last updated
- 2023-03-08
- Certified
- 2023-03-08
Frequently asked questions
- What is Jullian Nguyen's NPI number?
- Jullian Nguyen's National Provider Identifier (NPI) is 1548764400, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Jullian Nguyen's specialty?
- Jullian Nguyen is listed in the NPPES registry with a primary specialty of Sports Medicine (Family Medicine) Physician (Allopathic & Osteopathic Physicians).
- Where is Jullian Nguyen located?
- Jullian Nguyen's practice location on file with NPPES is 890 Sunset Dr, Hollister, CA 95023.
- What is Jullian Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Jullian Nguyen is (831) 635-9788.
- Does Jullian Nguyen accept Medicare?
- Jullian Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Jullian Nguyen's NPI active?
- Yes — Jullian Nguyen's NPI (1548764400) is active in the NPPES registry as of the last update on 2023-03-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.