DR. ANN LIU MD
NPI 1912049545
Pediatrics in Dallas, TX
About Dr. Ann Liu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN LIU MD (NPI 1912049545) is an individual pediatrics provider in Dallas, Texas, licensed in Texas (M3630) and active in the NPI registry since February 2007. 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)
Dr. Ann Liu Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Ann Liu reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grapevine, TX 76051
- Reassigned Medicare billing, Texas enrollment
- Medicare enrollment name: Texas Health Care PLLC
- 511 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 75230 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 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Ann Liu's NPI number?
The NPI number for Ann Liu is 1912049545. It was assigned to this individual provider in the NPPES registry on February 12, 2007.
Where is Ann Liu located?
Ann Liu practices at 7777 Forest Ln Ste B300, Dallas, TX 75230. The listed phone number is (972) 284-7770.
What is Ann Liu's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Ann Liu enrolled in Medicare?
Yes. Ann Liu is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Ann Liu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Liu reassigns Medicare benefits to Texas Health Care, P.L.L.C. (Grapevine, TX). The 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 Ann Liu'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 Ann Liu was last updated on June 17, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.
# Dr. Ann Liu, MD · NPI 1912049545
Pediatrics physician in Dallas, Texas. Individual provider, active in the CMS NPPES registry since February 12, 2007.
## Identity
- **NPI:** 1912049545 (Entity type: Individual)
- **Enumerated:** February 12, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** M3630 (Texas)
- **Sole proprietor:** No
## Practice location
- **Address:** 7777 FOREST LN STE B300, Dallas, TX 75230-2510
- **Phone:** (972) 284-7770 · **Fax:** (972) 284-7780
## 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:** Texas Health Care, P.L.L.C. (NPI 1164588596, Grapevine, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 17, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1912049545) · Data from the CMS NPPES public registry.