An Na Liang, DO
NPI 1649538174 · Neonatal-Perinatal Medicine Physician · Madera, CA
Enrolled with Medicare as Order and Referring Only - Pediatric Medicine · source: CMS PECOS Public Provider Enrollment (2026.04.01)
An Na Liang, DO is a Neonatal-Perinatal Medicine Physician provider in Madera, CA (NPI 1649538174).
Provider details
- NPI number
- 1649538174
- Entity type
- Individual
- Primary specialty
- Neonatal-Perinatal Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- DO
- Sex
- Female
- Sole proprietor
- No
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 tenure33% of score
14 yrs in NPPES registry
- Profile completeness33% of score
83% of core fields populated
- Practice footprint20% of score
1 documented practice location
- Open Payments transparency13% of score
Has Open Payments disclosures (2024)
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.
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$122 across 1 record (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2012-05-03
- Last updated
- 2020-06-17
- Certified
- 2020-06-17
Frequently asked questions
- What is An Na Liang's NPI number?
- An Na Liang's National Provider Identifier (NPI) is 1649538174, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is An Na Liang's specialty?
- An Na Liang is listed in the NPPES registry with a primary specialty of Neonatal-Perinatal Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is An Na Liang located?
- An Na Liang's practice location on file with NPPES is 9300 Valley Childrens Pl, Madera, CA 93636-8761.
- What is An Na Liang's phone number?
- The practice phone number listed in the NPPES registry for An Na Liang is (559) 353-5141.
- Does An Na Liang accept Medicare?
- An Na Liang is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is An Na Liang's NPI active?
- Yes — An Na Liang's NPI (1649538174) is active in the NPPES registry as of the last update on 2020-06-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.