Tuong Chi Ta, M.D., PH.D.
Internal Medicine Physician · Scottsdale, AZ
Tuong Chi Ta, M.D., PH.D. is an internal medicine physician with a practice address in Scottsdale, Arizona, and NPI 1235546805, issued on Jul 16, 2014. Check the license (Arizona 54899, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Tuong Chi Ta
- Credential
- M.D., PH.D.
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License numbers
- 54899 AZ
R74575 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 7975 N Hayden RD Ste C380, Scottsdale, AZ 85258
- Phone
- (480) 214-9720
- Enumerated
- Jul 16, 2014
- Record last updated
- Dec 11, 2019 (not updated in 7 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20171207003157); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 2,853 in Arizona → Look up another NPI →
Also registered at 7975 N Hayden RD Ste C380
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Ajeet Nagra, M.D.Internal Medicine Physician1518353465
- Mark Okafor, MD (PHARMD, PHD)Hospitalist Physician1942582721
Verify Tuong Chi Ta in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 54899Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average internal medicine physician in 2024
888 Medicare Part D claims for 317 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. 63 claims were for opioids.
Most prescribed
- Ondansetron Odt60 claims
- Metoprolol Succinate57 claims
- Eliquis53 claims
- Clopidogrel49 claims
- Atorvastatin Calcium40 claims
- Spironolactone39 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): 31.2 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).
Bills Medicare through 2 group practices
- Scottsdale Inpatient Specialists PLCScottsdale, AZ
- The Fort Defiance Indian Hospital Board, IncorporationFort Defiance, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Tuong Chi Ta among 2,853 internal medicine physician records in Arizona
Tuong Chi Ta, M.D., PH.D. is one of 2,853 internal medicine physician records with a practice address in Arizona. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2014, is newer than 68% of them.
- NPI issued2014 · 68% of these records are older, 30% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated2013 · median 2003 among the 1,643 with a school on file
- Record last updated2019 · 51% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
344 internal medicine physician records list a practice address in Scottsdale
They are 344 of the 11,008 NPPES records with a practice address in Scottsdale, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Scottsdale → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Saeed Behbahani, MDScottsdale, AZ 852581063466522
- Warren Butler, MDScottsdale, AZ 852581750339784
- Binoy Chandra, MDScottsdale, AZ 852581811931595
- Kianoush Cheybani, M.D.Scottsdale, AZ 852581013901578
- Wookjin Chun, M.D.Scottsdale, AZ 852581689688699
- Chalmers Daniel, M.D.Scottsdale, AZ 852581760483424
- Stanley Horowitz, M.D.Scottsdale, AZ 852581619974094
- Douglas Lakin, M.D.Scottsdale, AZ 852581992783492
Common questions
What is Tuong Chi Ta, M.D., PH.D.'s NPI number?
Tuong Chi Ta, M.D., PH.D.'s National Provider Identifier (NPI) is 1235546805, issued on Jul 16, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Tuong Chi Ta, M.D., PH.D. located?
The NPPES record lists a practice address at 7975 N Hayden RD Ste C380, Scottsdale, AZ, 85258. Phone: (480) 214-9720. Providers update this record themselves, so call before visiting.
How can I verify Tuong Chi Ta, M.D., PH.D.'s license?
NPPES lists Arizona license number 54899, as entered by the provider. Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Tuong Chi Ta, M.D., PH.D. prescribe under Medicare Part D?
In 2024, Tuong Chi Ta, M.D., PH.D. had 888 Medicare Part D claims for 317 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
What is Tuong Chi Ta, M.D., PH.D.'s MIPS final score?
The 2023 MIPS final score is 31.2 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.