Billy Liang, MD
NPI 1053430660 · Emergency Medicine Physician · Ann Arbor, MI
Enrolled with Medicare as Practitioner - Emergency Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Billy Liang, MD is a Emergency Medicine Physician provider in Ann Arbor, MI (NPI 1053430660).
Provider details
- NPI number
- 1053430660
- Entity type
- Individual
- Primary specialty
- Emergency Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- A104948 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Student, Health Care
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 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
- 2007-03-28
- Last updated
- 2025-01-16
- Certified
- 2025-01-16
Frequently asked questions
- What is Billy Liang's NPI number?
- Billy Liang's National Provider Identifier (NPI) is 1053430660, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Billy Liang's specialty?
- Billy Liang is listed in the NPPES registry with a primary specialty of Emergency Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Billy Liang located?
- Billy Liang's practice location on file with NPPES is 1500 E Medical Center Dr, Ann Arbor, MI 48109-5000.
- What is Billy Liang's phone number?
- The practice phone number listed in the NPPES registry for Billy Liang is (734) 763-7919.
- Does Billy Liang accept Medicare?
- Billy Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Billy Liang's NPI active?
- Yes — Billy Liang's NPI (1053430660) is active in the NPPES registry as of the last update on 2025-01-16.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.