Khanh Nguyen, PA
NPI 1235118365 · Medical Physician Assistant · Winchester, VA
Enrolled with Medicare as Practitioner - Physician Assistant · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Khanh Nguyen, PA is a Medical Physician Assistant provider in Winchester, VA (NPI 1235118365).
Provider details
- NPI number
- 1235118365
- Entity type
- Individual
- Primary specialty
- Medical Physician AssistantPhysician Assistants & Advanced Practice Nursing Providers
- Credential
- PA
- Sex
- Male
- Sole proprietor
- No
- License
- 0110001395 (VA)
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
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
221 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) |
|---|---|---|
| Emergency Department Visit With Moderate Level of Medical Decision Making99284 | 111 | $99 |
| Emergency Department Visit With High Level of Medical Decision Making99285 | 83 | $145 |
| Emergency Department Visit With Low Level of Medical Decision Making99283 | 27 | $59 |
Typical Medicare-allowed amounts for these services range $59–$145 (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 · 12 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Cefdinir | 58 | 55 |
| Cephalexin | 48 | 48 |
| Prednisone | 38 | 35 |
| Doxycycline Hyclate | 34 | 33 |
| Amoxicillin/Potassium Clavbrand: Amoxicillin-Clavulanate Potass | 22 | 22 |
| Ondansetronbrand: Ondansetron Odt | 19 | 19 |
| Methylprednisolone | 18 | 18 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$109 across 1 record (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
- 2006-01-17
- Last updated
- 2021-03-11
- Certified
- 2021-03-11
Frequently asked questions
- What is Khanh Nguyen's NPI number?
- Khanh Nguyen's National Provider Identifier (NPI) is 1235118365, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Khanh Nguyen's specialty?
- Khanh Nguyen is listed in the NPPES registry with a primary specialty of Medical Physician Assistant (Physician Assistants & Advanced Practice Nursing Providers).
- Where is Khanh Nguyen located?
- Khanh Nguyen's practice location on file with NPPES is 104 Selma Dr, Winchester, VA 22601-3834.
- What is Khanh Nguyen's phone number?
- The practice phone number listed in the NPPES registry for Khanh Nguyen is (540) 678-2800.
- Does Khanh Nguyen accept Medicare?
- Khanh Nguyen is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Khanh Nguyen's NPI active?
- Yes — Khanh Nguyen's NPI (1235118365) is active in the NPPES registry as of the last update on 2021-03-11.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.