Leonard Yang, MD
NPI 1790744647 · Emergency Medicine Physician · Winchester, VA
Leonard Yang, MD is a Emergency Medicine Physician provider in Winchester, VA (NPI 1790744647).
Provider details
- NPI number
- 1790744647
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 25633 (WV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure33% of score
20 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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$29 across 2 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
- 2006-03-20
- Last updated
- 2021-03-03
- Certified
- 2021-03-03
Frequently asked questions
- What is Leonard Yang's NPI number?
- Leonard Yang's National Provider Identifier (NPI) is 1790744647, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Leonard Yang's specialty?
- Leonard Yang is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Leonard Yang located?
- Leonard Yang's practice location on file with NPPES is 1840 Amherst St, Winchester, VA 22601-2808.
- What is Leonard Yang's phone number?
- The practice phone number listed in the NPPES registry for Leonard Yang is (540) 536-8000.
- Is Leonard Yang's NPI active?
- Yes — Leonard Yang's NPI (1790744647) is active in the NPPES registry as of the last update on 2021-03-03.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.