Mary Duong, PAC
NPI 1386607638 · Physician Assistant · Los Angeles, CA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Mary Duong, PAC is a Physician Assistant provider in Los Angeles, CA (NPI 1386607638).
Provider details
- NPI number
- 1386607638
- Entity type
- Individual
- Primary specialty
- Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PAC
- Sex
- Female
- Sole proprietor
- No
- License
- PA15424 (CA)
Specialties & taxonomies
Physician Assistants & Advanced Practice Nursing Providers
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
20 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
170 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) |
|---|---|---|
| Insertion of Needle Into Vein for Collection of Blood Sample36415 | 32 | $9 |
| Blood Test, Comprehensive Group of Blood Chemicals80053 | 31 | $10 |
| Complete Blood Cell Count (red Cells, White Blood Cell, Platelets), Automated Test and Automated Differential White Blood Cell Count85025 | 30 | $8 |
| Lactate Dehydrogenase (enzyme) Level83615 | 28 | $6 |
| Psa (prostate Specific Antigen) Measurement, Total84153 | 28 | $18 |
| Testosterone (hormone) Level, Total84403 | 21 | $25 |
Typical Medicare-allowed amounts for these services range $6–$25 (2024). The Medicare-allowed amount is what Medicare recognizes for a service under fee-for-service — a reference figure for 2024, 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 · 8 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Abiraterone Acetate | 86 | — |
| Enzalutamidebrand: Xtandi | 58 | — |
| Prednisone | 49 | 11 |
| Relugolixbrand: Orgovyx | 47 | — |
| Darolutamidebrand: Nubeqa | 28 | — |
| Olaparibbrand: Lynparza | 25 | — |
| Tamsulosin Hcl | 15 | — |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$1,358 across 6 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
- 2006-04-08
- Last updated
- 2021-07-07
- Certified
- 2021-07-07
Frequently asked questions
- What is Mary Duong's NPI number?
- Mary Duong's National Provider Identifier (NPI) is 1386607638, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Mary Duong's specialty?
- Mary Duong is listed in the NPPES registry with a primary specialty of Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Mary Duong located?
- Mary Duong's practice location on file with NPPES is 12414 Exposition Blvd, Los Angeles, CA 90064-1016.
- What is Mary Duong's phone number?
- The practice phone number listed in the NPPES registry for Mary Duong is (310) 272-7640.
- Does Mary Duong accept Medicare?
- Mary Duong is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Mary Duong's NPI active?
- Yes — Mary Duong's NPI (1386607638) is active in the NPPES registry as of the last update on 2021-07-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.