ANA LIANG MD
NPI 1992139323
Pediatrics in Oakland, CA
About Ana Liang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANA LIANG MD (NPI 1992139323) is an individual pediatrics provider in Oakland, California, licensed in California (A126873) and active in the NPI registry since August 2013. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Ana Liang Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
4Medicare enrollment records show Ana Liang reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Orinda, CA 94563
- Reassigned Medicare billing, California enrollment
- 4,479 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 1,159 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94609 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Ana Liang's NPI number?
The NPI number for Ana Liang is 1992139323. It was assigned to this individual provider in the NPPES registry on August 21, 2013.
Where is Ana Liang located?
Ana Liang practices at 747 52nd St, Oakland, CA 94609. The listed phone number is (510) 428-3157.
What is Ana Liang's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ana Liang enrolled in Medicare?
Yes. Ana Liang is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Ana Liang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ana Liang reassigns Medicare benefits to 4 organizations: Sutter Bay Medical Foundation (Orinda, CA), University Of California San Francisco (San Francisco, CA), Ucsf Medical Group Business Services (San Francisco, CA) and Ucsf Pediatrics Associates (San Francisco, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Ana Liang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Ana Liang was last updated on July 21, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Ana Liang, MD · NPI 1992139323
Pediatrics physician in Oakland, California. Individual provider, active in the CMS NPPES registry since August 21, 2013.
## Identity
- **NPI:** 1992139323 (Entity type: Individual)
- **Enumerated:** August 21, 2013
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A126873 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 747 52ND ST, Oakland, CA 94609-1809
- **Phone:** (510) 428-3157
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Sutter Bay Medical Foundation (NPI 1366898538, Orinda, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA); Ucsf Pediatrics Associates (NPI 1376614016, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** July 21, 2015
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Source: [NPI Profile](https://npiprofile.com/npi/1992139323) · Data from the CMS NPPES public registry.