Ann S. Chu, MD
Family Medicine Physician · Huntsville, AL
Ann S. Chu, MD is a family medicine physician with a practice address in Huntsville, Alabama, and NPI 1982788519, issued on Oct 24, 2006. Check the license (Alabama 16603, as entered in NPPES) on the Alabama Board of Medical Examiners; the Medicare figures below come from public CMS files.
- Name
- Ann S. Chu
- Credential
- MD
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License number
- 16603 AL
Self-reported in NPPES; status is on the state search - Practice location
- 4810 Whitesport Cir SW Ste 200, Huntsville, AL 35801
- Phone
- (256) 429-5248
- Enumerated
- Oct 24, 2006
- Record last updated
- Aug 30, 2022
- Fax
- (256) 429-5247
- Medicaid IDs
- 189514 AL
128671 AL - Medicare enrollment
- Enrolled (PECOS I20100929000899); accepts Medicare assignment
- Medical or professional school
- University Of Alabama School Of Medicine, 1991
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 1,996 in Alabama → Look up another NPI →
Verify Ann S. Chu in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersAlabama Board of Medical Examiners
Search for license 16603Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.2 times the Medicare Part D claims of the average family medicine physician in 2024
7,873 Medicare Part D claims for 432 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 10% of claims. 373 claims were for opioids.
Most prescribed
- Levothyroxine Sodium398 claims
- Atorvastatin Calcium377 claims
- Omeprazole245 claims
- Amlodipine Besylate244 claims
- Lisinopril243 claims
- Losartan Potassium239 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The MIPS final score for 2023 (Medicare payment program): 94.6 of 100
The Merit-based Incentive Payment System score is reported for this clinician. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $112.93
5 payments; by number, the most common kind was food and beverage; the largest payer was Abbvie Inc. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Crestwood Physician Services, LLCHuntsville, AL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ann S. Chu among 1,996 family medicine physician records in Alabama
Ann S. Chu, MD is one of 1,996 family medicine physician records with a practice address in Alabama. 84% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 10% of them.
- NPI issued2006 · 10% of these records are older, 52% newer
- In a Medicare fileYes · 84% of these records are
- In the CMS Doctors and Clinicians fileYes · 67% of these records are
- Graduated1991 · median 2005 among the 1,346 with a school on file
- Record last updated2022 · 55% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Alabama practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
168 family medicine physician records list a practice address in Huntsville
They are 168 of the 5,555 NPPES records with a practice address in Huntsville, and 1,996 family medicine physician records in Alabama.
All 1,996 in Alabama → Every provider in Huntsville → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- John Blankenship, DOHuntsville, AL 358011013994342
- David Calderwood, MDHuntsville, AL 358011235110586
- Michael Carter, M.D.Huntsville, AL 358011427045152
- James Chambers, M.D.Huntsville, AL 358011598765588
- Norman Ervin, M. D.Huntsville, AL 358011821089012
- Tobin Fisher, MDHuntsville, AL 358011447231014
- Forest Herrington, MDHuntsville, AL 358011417938085
- Herbert Holdsambeck, MDHuntsville, AL 358011649251216
Common questions
What is Ann S. Chu, MD's NPI number?
Ann S. Chu, MD's National Provider Identifier (NPI) is 1982788519, issued on Oct 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Ann S. Chu, MD located?
The NPPES record lists a practice address at 4810 Whitesport Cir SW Ste 200, Huntsville, AL, 35801. Phone: (256) 429-5248. Providers update this record themselves, so call before visiting.
How can I verify Ann S. Chu, MD's license?
NPPES lists Alabama license number 16603, as entered by the provider. Search the Alabama Board of Medical Examiners at https://www.albme.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ann S. Chu, MD prescribe under Medicare Part D?
In 2024, Ann S. Chu, MD had 7,873 Medicare Part D claims for 432 beneficiaries; the average among family medicine physician prescribers was 3,544. Part D covers Medicare prescriptions only.
What is Ann S. Chu, MD's MIPS final score?
The 2023 MIPS final score is 94.6 of 100. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.