DR. ANN S. CHU MD
NPI 1982788519
Family Medicine in Huntsville, AL
About Dr. Ann S. Chu Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. ANN S. CHU MD (NPI 1982788519) is an individual family medicine provider in Huntsville, Alabama, licensed in Alabama (16603) and active in the NPI registry since October 2006. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Alabama School Of Medicine (1991).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Other Identifiers 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Ann S. Chu Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Ann Chu reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 44 clinicians in this Medicare group
Huntsville, AL 35801
- Reassigned Medicare billing, Alabama enrollment
- 54 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.
Areas of Expertise CMS Part B claims 13
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 35801 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Reported Quality Measures
Referred Medical Equipment & Supplies CMS DME claims 2
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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 Chu's NPI number?
The NPI number for Ann Chu is 1982788519. It was assigned to this individual provider in the NPPES registry on October 24, 2006. The provider is also known as Dr. Ann S Chu MD.
Where is Ann Chu located?
Ann Chu practices at 4810 Whitesport Cir SW Ste 200, Huntsville, AL 35801. The listed phone number is (256) 429-5248.
What is Ann Chu's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Ann Chu enrolled in Medicare?
Yes. Ann Chu is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Ann Chu's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Ann Chu reassigns Medicare benefits to 2 organizations: Crestwood Physician Services, LLC (Huntsville, AL) and Hh Health System Crestwood Physicians, LLC (Huntsville, AL). 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 Ann Chu's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Ann Chu accept?
Health plans from Ambetter Health, Ambetter of Alabama, Ambetter of Tennessee, Blue Cross and Blue Shield of Alabama and Oscar Insurance Company and 1 other insurer list Ann Chu as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Ann Chu was last updated on August 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.