William Wang, M.D.
NPI 1518105022 · Internal Medicine Physician · Los Angeles, CA
Enrolled with Medicare as Practitioner - Hospitalist · source: CMS PECOS Public Provider Enrollment (2026.04.01)
William Wang, M.D. is a Internal Medicine Physician provider in Los Angeles, CA (NPI 1518105022).
Provider details
- NPI number
- 1518105022
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A103764 (CA)
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
17 yrs in NPPES 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
- 2009-01-22
- Last updated
- 2021-11-22
Frequently asked questions
- What is William Wang's NPI number?
- William Wang's National Provider Identifier (NPI) is 1518105022, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is William Wang's specialty?
- William Wang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is William Wang located?
- William Wang's practice location on file with NPPES is 2020 Zonal Ave, Los Angeles, CA 90089-0121.
- What is William Wang's phone number?
- The practice phone number listed in the NPPES registry for William Wang is (323) 226-7644.
- Does William Wang accept Medicare?
- William Wang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is William Wang's NPI active?
- Yes — William Wang's NPI (1518105022) is active in the NPPES registry as of the last update on 2021-11-22.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.