Austin Chang
NPI 1710526983 · Physician Assistant · Covina, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Austin Chang is a Physician Assistant provider in Covina, CA (NPI 1710526983).
Provider details
- NPI number
- 1710526983
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Sex
- Male
- Sole proprietor
- Yes
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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
83% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
568 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 | 517 | $83 |
| Injection of Drug Or Substance Under Skin Or Into Muscle96372 | 38 | $13 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 13 | $149 |
Typical Medicare-allowed amounts for these services range $13–$149 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, not a price quote and not what you would be billed. Medicare Part B covers roughly an eighth of all NPIs (65+ skew); services with fewer than 11 beneficiaries are suppressed by CMS. Source: CMS Medicare Physician & Other Practitioners, by Provider & Service.
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 22 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 777 | 255 |
| Tramadol Hcl | 298 | 109 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 255 | 74 |
| Gabapentin | 247 | 67 |
| Tizanidine Hcl | 117 | 45 |
| Meloxicam | 103 | 43 |
| Pregabalin |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$286 across 10 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)
- 800 W Katella AveAnaheim, CA 92802-3415Phone: (917) 291-2378
Registry dates
- Enumerated
- 2020-01-05
- Last updated
- 2024-04-04
- Certified
- 2024-04-04
Frequently asked questions
- What is Austin Chang's NPI number?
- Austin Chang's National Provider Identifier (NPI) is 1710526983, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Austin Chang's specialty?
- Austin Chang is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Austin Chang located?
- Austin Chang's practice location on file with NPPES is 236 W College St, Covina, CA 91723-1902.
- What is Austin Chang's phone number?
- The practice phone number listed in the NPPES registry for Austin Chang is (626) 608-7320.
- Does Austin Chang accept Medicare?
- Austin Chang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Austin Chang's NPI active?
- Yes — Austin Chang's NPI (1710526983) is active in the NPPES registry as of the last update on 2024-04-04.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.