Justina Zhang, PA-C
NPI 1184344103 · Medical Physician Assistant · Fountain Valley, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Justina Zhang, PA-C is a Medical Physician Assistant provider in Fountain Valley, CA (NPI 1184344103).
Provider details
- NPI number
- 1184344103
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- No
- License
- 61563 (CA)
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
3 yrs in NPPES registry
- Profile completeness33% of score
100% 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 |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 701 | 94 |
| Gabapentin | 512 | 70 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 360 | 44 |
| Oxycodone Hcl | 250 | 33 |
| Cyclobenzaprine Hcl | 219 | 26 |
| Pregabalin | 190 | 28 |
| Tramadol Hcl |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$174 across 17 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
- 2022-08-30
- Last updated
- 2025-07-01
- Certified
- 2025-07-01
Frequently asked questions
- What is Justina Zhang's NPI number?
- Justina Zhang's National Provider Identifier (NPI) is 1184344103, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Justina Zhang's specialty?
- Justina Zhang is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Justina Zhang located?
- Justina Zhang's practice location on file with NPPES is 11160 Warner Ave Ste 417, Fountain Valley, CA 92708-4056.
- What is Justina Zhang's phone number?
- The practice phone number listed in the NPPES registry for Justina Zhang is (714) 424-9300.
- Does Justina Zhang accept Medicare?
- Justina Zhang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Justina Zhang's NPI active?
- Yes — Justina Zhang's NPI (1184344103) is active in the NPPES registry as of the last update on 2025-07-01.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.