Ana Liang, MD
NPI 1992139323 · Pediatrics Physician · Oakland, CA
Enrolled with Medicare as Practitioner - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Ana Liang, MD is a Pediatrics Physician provider in Oakland, CA (NPI 1992139323).
Provider details
- NPI number
- 1992139323
- Entity type
- Individual
- Primary specialty
- Pediatrics PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Female
- Sole proprietor
- Yes
- License
- A126873 (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
12 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
- 2013-08-21
- Last updated
- 2015-07-21
Frequently asked questions
- What is Ana Liang's NPI number?
- Ana Liang's National Provider Identifier (NPI) is 1992139323, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Ana Liang's specialty?
- Ana Liang is listed in the NPPES registry with a primary specialty of Pediatrics Physician (Allopathic & Osteopathic Physicians).
- Where is Ana Liang located?
- Ana Liang's practice location on file with NPPES is 747 52nd St, Oakland, CA 94609-1809.
- What is Ana Liang's phone number?
- The practice phone number listed in the NPPES registry for Ana Liang is (510) 428-3157.
- Does Ana Liang accept Medicare?
- Ana Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Ana Liang's NPI active?
- Yes — Ana Liang's NPI (1992139323) is active in the NPPES registry as of the last update on 2015-07-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.