Albert Liang, M.D.
NPI 1659311025 · Internal Medicine Physician · San Jose, CA
Enrolled with Medicare as Order and Referring Only - Internal Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Albert Liang, M.D. is a Internal Medicine Physician provider in San Jose, CA (NPI 1659311025).
Provider details
- NPI number
- 1659311025
- Entity type
- Individual
- Primary specialty
- Internal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- A55181 (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
20 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
- 2006-06-07
- Last updated
- 2019-02-15
Frequently asked questions
- What is Albert Liang's NPI number?
- Albert Liang's National Provider Identifier (NPI) is 1659311025, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Albert Liang's specialty?
- Albert Liang is listed in the NPPES registry with a primary specialty of Internal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Albert Liang located?
- Albert Liang's practice location on file with NPPES is 5855 Silver Creek Valley Place, San Jose, CA 95138.
- What is Albert Liang's phone number?
- The practice phone number listed in the NPPES registry for Albert Liang is (650) 493-5000.
- Does Albert Liang accept Medicare?
- Albert Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Albert Liang's NPI active?
- Yes — Albert Liang's NPI (1659311025) is active in the NPPES registry as of the last update on 2019-02-15.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.