Andrew Leng, MD
NPI 1235028812 · Internal Medicine Physician · Las Vegas, NV
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Andrew Leng, MD is a Internal Medicine Physician provider in Las Vegas, NV (NPI 1235028812).
Provider details
- NPI number
- 1235028812
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- Yes
- License
- LL4568 (NV)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
Under 1 yr in registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
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.
Practice location
Mailing address
Registry dates
- Enumerated
- 2025-06-30
- Last updated
- 2025-06-30
- Certified
- 2025-06-18
Frequently asked questions
- What is Andrew Leng's NPI number?
- Andrew Leng's National Provider Identifier (NPI) is 1235028812, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Andrew Leng's specialty?
- Andrew Leng is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Andrew Leng located?
- Andrew Leng's practice location on file with NPPES is 620 Shadow Ln, Las Vegas, NV 89106-4194.
- What is Andrew Leng's phone number?
- The practice phone number listed in the NPPES registry for Andrew Leng is (702) 388-4000.
- Does Andrew Leng accept Medicare?
- Andrew Leng is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Andrew Leng's NPI active?
- Yes — Andrew Leng's NPI (1235028812) is active in the NPPES registry as of the last update on 2025-06-30.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.