Chi Quynh Duong, DO
Internal Medicine Physician · Phoenix, AZ
Chi Quynh Duong, DO is an internal medicine physician with a practice address in Phoenix, Arizona, and NPI 1285642108, issued on Aug 4, 2006. Check the license (Arizona 3424, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Chi Quynh Duong
- Credential
- DO
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 3424 AZ
Self-reported in NPPES; status is on the state search - Practice location
- 4840 E Indian School RD Ste 101, Phoenix, AZ 85018
- Phone
- (602) 522-1900
- Enumerated
- Aug 4, 2006
- Record last updated
- Feb 5, 2025
- Fax
- (602) 381-3281
- Medicare enrollment
- Enrolled (PECOS I20091021000534); 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 4840 E Indian School RD Ste 101
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Cathryn Echeverria, FNPFamily Nurse Practitioner1386967453
- Shannon Kovalcik, NPNurse Practitioner1245317502
- Brian Parker, MDInternal Medicine Physician1205525540
- Heidi Symons, FNP-BCFamily Nurse Practitioner1083035430
Verify Chi Quynh Duong in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 3424Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
44% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,784 Medicare Part D claims for 224 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 13% of claims. 26 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium101 claims
- Levothyroxine Sodium76 claims
- Montelukast Sodium64 claims
- Amlodipine Besylate53 claims
- Atorvastatin Calcium47 claims
- Zolpidem Tartrate44 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.
Industry payments in 2024: $294.57
5 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Tucson Physician Group Holdings LLCTucson, AZ
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Chi Quynh Duong among 2,853 internal medicine physician records in Arizona
Chi Quynh Duong, DO 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 2006, is newer than 13% of them.
- NPI issued2006 · 13% of these records are older, 55% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 58% of these records are
- Graduated1995 · median 2003 among the 1,643 with a school on file
- Record last updated2025 · 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).
695 internal medicine physician records list a practice address in Phoenix
They are 695 of the 31,399 NPPES records with a practice address in Phoenix, and 2,853 internal medicine physician records in Arizona.
All 2,853 in Arizona → Every provider in Phoenix → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Caitlin AllenPhoenix, AZ 850181164885588
- Barbara Backer, M.D.Phoenix, AZ 850181134171374
- Rishi Basnyat, MDPhoenix, AZ 850181609158799
- Bruce Bethancourt, M.D.Phoenix, AZ 850181548252513
- Francisco Cordova, MDPhoenix, AZ 850181003817867
- Nicholas Jebaily, MDPhoenix, AZ 850181710206909
- Gregory Johns, M.D.Phoenix, AZ 850181962443622
- Walter Koppenbrink, M.D.Phoenix, AZ 850181982660726
Common questions
What is Chi Quynh Duong, DO's NPI number?
Chi Quynh Duong, DO's National Provider Identifier (NPI) is 1285642108, issued on Aug 4, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Chi Quynh Duong, DO located?
The NPPES record lists a practice address at 4840 E Indian School RD Ste 101, Phoenix, AZ, 85018. Phone: (602) 522-1900. Providers update this record themselves, so call before visiting.
How can I verify Chi Quynh Duong, DO's license?
NPPES lists Arizona license number 3424, 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 Chi Quynh Duong, DO prescribe under Medicare Part D?
In 2024, Chi Quynh Duong, DO had 1,784 Medicare Part D claims for 224 beneficiaries; the average among internal medicine physician prescribers was 3,176. Part D covers Medicare prescriptions only.
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.