Eileen Chang, D.O.
Family Medicine Physician · Chandler, AZ
Eileen Chang, D.O. is a family medicine physician with a practice address in Chandler, Arizona, and NPI 1063529196, issued on Aug 24, 2006. Check the license (Arizona 4612, as entered in NPPES) on the Arizona Medical Board; the Medicare figures below come from public CMS files.
- Name
- Eileen Chang
- Credential
- D.O.
- Primary taxonomy
- Family Medicine Physician 207Q00000X
- License numbers
- 4612 AZ
036-107044 IL
Self-reported in NPPES; status is on the state search - Practice location
- 1455 W Chandler Blvd Ste A4, Chandler, AZ 85224
- Phone
- (480) 899-2900
- Enumerated
- Aug 24, 2006
- Record last updated
- Mar 18, 2024
- Medicare enrollment
- Enrolled (PECOS I20070809000737); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family medicine physician records → All 3,119 in Arizona → Look up another NPI →
Verify Eileen Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersArizona Medical Board
Search for license 4612Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
54% fewer Medicare Part D claims than the average family medicine physician in 2024
1,631 Medicare Part D claims for 213 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims. 102 claims were for opioids.
Most prescribed
- Rosuvastatin Calcium88 claims
- Amlodipine Besylate76 claims
- Atorvastatin Calcium68 claims
- Levothyroxine Sodium59 claims
- Losartan Potassium43 claims
- Zolpidem Tartrate43 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: $1,085.32
59 payments; by number, the most common kind was food and beverage; the largest payer was Lilly USA, LLC. 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.
Eileen Chang among 3,119 family medicine physician records in Arizona
Eileen Chang, D.O. is one of 3,119 family 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 12% of them.
- NPI issued2006 · 12% of these records are older, 54% newer
- In a Medicare fileYes · 75% of these records are
- In the CMS Doctors and Clinicians fileYes · 57% of these records are
- Graduated1999 · median 2006 among the 1,775 with a school on file
- Record last updated2024 · 54% 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 Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
98 family medicine physician records list a practice address in Chandler
They are 98 of the 5,497 NPPES records with a practice address in Chandler, and 3,119 family medicine physician records in Arizona.
All 3,119 in Arizona → Every provider in Chandler → Family Medicine Physician nationwide →
The 8 family medicine physician records with the nearest ZIP codes
- Timothy Baker, MDChandler, AZ 852241821079682
- Andrew Carroll, MDChandler, AZ 852241043214877
- Jessica Doney, MDChandler, AZ 852241255316642
- David Gannon, MDChandler, AZ 852241477534816
- Terry Irons, M.D.Chandler, AZ 852241780657940
- Manju Krishna Pillai, MDChandler, AZ 852241528031648
- Richard Nguyen, DOChandler, AZ 852241164496204
- Erlinda Rodriquez, MDChandler, AZ 852241861462764
Common questions
What is Eileen Chang, D.O.'s NPI number?
Eileen Chang, D.O.'s National Provider Identifier (NPI) is 1063529196, issued on Aug 24, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Eileen Chang, D.O. located?
The NPPES record lists a practice address at 1455 W Chandler Blvd Ste A4, Chandler, AZ, 85224. Phone: (480) 899-2900. Providers update this record themselves, so call before visiting.
How can I verify Eileen Chang, D.O.'s license?
NPPES lists Arizona license number 4612, 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 Eileen Chang, D.O. prescribe under Medicare Part D?
In 2024, Eileen Chang, D.O. had 1,631 Medicare Part D claims for 213 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.