Sydney Chung, PA-C
NPI 1013554922 · Physician Assistant · Duarte, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Sydney Chung, PA-C is a Physician Assistant provider in Duarte, CA (NPI 1013554922).
Provider details
- NPI number
- 1013554922
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA-C
- Sex
- Female
- Sole proprietor
- Yes
- License
- 59512 (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 tenure25% of score
6 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
3,169 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 | 910 | $79 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 784 | $65 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 455 | $110 |
| X-Ray of Knee, 4 Or More Views73564 | 334 | $42 |
| X-Ray of Knee, 3 Views73562 | 226 | $37 |
| X-Ray of Hip, 2-3 Views73502 | 220 | $43 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 13 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Meloxicam | 526 | 223 |
| Oxycodone Hcl/Acetaminophenbrand: Oxycodone-Acetaminophen | 230 | 113 |
| Ibuprofen | 178 | 58 |
| Diclofenac Sodium | 145 | 65 |
| Hydrocodone/Acetaminophenbrand: Hydrocodone-Acetaminophen | 112 | 54 |
| Gabapentin | 100 | 34 |
| Amoxicillin | 76 | 54 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$70 across 3 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
- 2019-12-10
- Last updated
- 2026-01-15
- Certified
- 2026-01-15
Frequently asked questions
- What is Sydney Chung's NPI number?
- Sydney Chung's National Provider Identifier (NPI) is 1013554922, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Sydney Chung's specialty?
- Sydney Chung is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Sydney Chung located?
- Sydney Chung's practice location on file with NPPES is 1500 Duarte Rd, Duarte, CA 91010-3012.
- What is Sydney Chung's phone number?
- The practice phone number listed in the NPPES registry for Sydney Chung is (800) 826-4673.
- Does Sydney Chung accept Medicare?
- Sydney Chung is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Sydney Chung's NPI active?
- Yes — Sydney Chung's NPI (1013554922) is active in the NPPES registry as of the last update on 2026-01-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.