Joan Chyong-Wen Chang, DO
Geriatric Medicine (Internal Medicine) Physician · Indianapolis, IN
Joan Chyong-Wen Chang, DO is a geriatric medicine (internal medicine) physician with a practice address in Indianapolis, Indiana, and NPI 1063526291, issued on Aug 17, 2006. Check the license (Indiana 02004731A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Joan Chyong-Wen Chang
- Credential
- DO
- Primary taxonomy
- Geriatric Medicine (Internal Medicine) Physician 207RG0300X
- License numbers
- 02004731A IN
253044 NY
Self-reported in NPPES; status is on the state search - Practice location
- 8424 Naab RD Ste 1L, Indianapolis, IN 46260
- Phone
- (317) 338-7780
- Enumerated
- Aug 17, 2006
- Record last updated
- Oct 2, 2015 (not updated in 11 years: call before relying on the address or phone)
- Medicaid ID
- 03111199 NY
- Entity
- Type 1 · individual
8 nearest geriatric medicine (internal medicine) physician records → All 61 in Indiana → Look up another NPI →
Also registered at 8424 Naab RD Ste 1L
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kathleen Carroll, NPGerontology Nurse Practitioner1811425382
- Meredith ChapmanGerontology Nurse Practitioner1457071839
- Lynn CollinsNurse Practitioner1659731602
- Kelly Freeman, NPAdult Health Nurse Practitioner1689063984
- Diane Healey, MDGeriatric Medicine (Internal Medicine) Physician1124001722
- Patrick Healey, MDGeriatric Medicine (Internal Medicine) Physician1942283544
Verify Joan Chyong-Wen Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 02004731ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average geriatric medicine (internal medicine) physician in 2024
56 Medicare Part D claims, against an average of 4,246 among the 3,116 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amlodipine Besylate15 claims
- Gabapentin12 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.
Joan Chyong-Wen Chang among 61 geriatric medicine (internal medicine) physician records in Indiana
Joan Chyong-Wen Chang, DO is one of 61 geriatric medicine (internal medicine) physician records with a practice address in Indiana. 70% 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 21% of them.
- NPI issued2006 · 21% of these records are older, 43% newer
- In a Medicare fileYes · 70% of these records are
- In the CMS Doctors and Clinicians fileNo · 49% of these records are
- Record last updated2015 · 44% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RG0300X and a Indiana practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Geriatric Medicine (Internal Medicine) Physician providers in Indiana
There are 61 geriatric medicine (internal medicine) physician records in Indiana.
All 61 in Indiana → Every provider in Indianapolis → Geriatric Medicine (Internal Medicine) Physician nationwide →
The 8 geriatric medicine (internal medicine) physician records with the nearest ZIP codes
- Andrea AristizabalIndianapolis, IN 462601780763581
- Diane Healey, MDIndianapolis, IN 462601124001722
- Patrick Healey, MDIndianapolis, IN 462601942283544
- Staci HollarIndianapolis, IN 462601366718405
- Marilyn Dargis, M.D.Indianapolis, IN 462681811030885
- Lucinda Dunaway, M.D.Indianapolis, IN 462681417291808
- William Kelley, MDIndianapolis, IN 462681295705416
- Susan Kindig, MDIndianapolis, IN 462681760459713
Common questions
What is Joan Chyong-Wen Chang, DO's NPI number?
Joan Chyong-Wen Chang, DO's National Provider Identifier (NPI) is 1063526291, issued on Aug 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Joan Chyong-Wen Chang, DO located?
The NPPES record lists a practice address at 8424 Naab RD Ste 1L, Indianapolis, IN, 46260. Phone: (317) 338-7780. Providers update this record themselves, so call before visiting.
How can I verify Joan Chyong-Wen Chang, DO's license?
NPPES lists Indiana license number 02004731A, as entered by the provider. Search the Medical Licensing Board of Indiana at https://www.in.gov/pla/professions/physicians-home/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Joan Chyong-Wen Chang, DO prescribe under Medicare Part D?
In 2024, Joan Chyong-Wen Chang, DO had 56 Medicare Part D claims; the average among geriatric medicine (internal medicine) physician prescribers was 4,246. 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.