Zenas Chang, MD, MS
Obstetrics & Gynecology Physician · Indianapolis, IN
Zenas Chang, MD, MS is an obstetrics & gynecology physician with a practice address in Indianapolis, Indiana, and NPI 1750728242, issued on May 24, 2013. Check the license (Indiana 01084636A, as entered in NPPES) on the Medical Licensing Board of Indiana; the Medicare figures below come from public CMS files.
- Name
- Zenas Chang
- Credential
- MD, MS
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License number
- 01084636A IN
Self-reported in NPPES; status is on the state search - Practice location
- 535 Barnhill Dr Ste 436, Indianapolis, IN 46202
- Phone
- (317) 948-7583
- Enumerated
- May 24, 2013
- Record last updated
- Mar 5, 2025
- Medicaid ID
- 300042626 IN
- Medicare enrollment
- Enrolled (PECOS I20200916001529); accepts Medicare assignment
- Medical or professional school
- New York Medical College, 2013
- Entity
- Type 1 · individual
Verify Zenas Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Licensing Board of Indiana
Search for license 01084636ACheck the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
86% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
23 Medicare Part D claims for 12 beneficiaries, against an average of 165 among the 28,733 providers of this specialty who prescribed in Part D.
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: $775.82
4 payments; by number, the most common kind was travel and lodging; the largest payer was Intuitive Surgical, Inc. The 21,429 providers of this specialty with any payment received $1,030.61 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
- IU Health Medical Group LLCIndianapolis, IN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Obstetrics & Gynecology Physician providers in Indiana
There are 894 obstetrics & gynecology physician records in Indiana.
Other obstetrics & gynecology physician records in Indiana
- Magdy Abdel Nour, M.D.Terre Haute, IN1457353781
- Regina Adair, MDFort Wayne, IN1326069675
- Kristin Adams, MDIndianapolis, IN1235152968
- Sophia Addy, MDMerrillville, IN1730610684
- Benjamin Adebayo, M.D.Rochester, IN1437415460
- Niloufar Ahmad, MDIndianapolis, IN1447637913
- Rocio Ahuja, M.D.Elkhart, IN1699057976
- Rukeme Ake-Uzoigwe, MDDanville, IN1477959419
- C Allen, MDIndianapolis, IN1578670329
- Melissa Allen, MDNew Albany, IN1386784320
Common questions
What is Zenas Chang, MD, MS's NPI number?
Zenas Chang, MD, MS's National Provider Identifier (NPI) is 1750728242, issued on May 24, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Zenas Chang, MD, MS located?
The NPPES record lists a practice address at 535 Barnhill Dr Ste 436, Indianapolis, IN, 46202. Phone: (317) 948-7583. Providers update this record themselves, so call before visiting.
How can I verify Zenas Chang, MD, MS's license?
NPPES lists Indiana license number 01084636A, 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 Zenas Chang, MD, MS prescribe under Medicare Part D?
In 2024, Zenas Chang, MD, MS had 23 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. 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.