Andrew E-Kong Chang, MD
Obstetrics & Gynecology Physician · Hamilton, OH
Andrew E-Kong Chang, MD is an obstetrics & gynecology physician with a practice address in Hamilton, Ohio, and NPI 1356784441, issued on Apr 9, 2013. Check the license (Ohio 35.137264, as entered in NPPES) on the State Medical Board of Ohio; the Medicare figures below come from public CMS files.
- Name
- Andrew E-Kong Chang
- Credential
- MD
- Primary taxonomy
- Obstetrics & Gynecology Physician 207V00000X
- License numbers
- 35.137264 OH
51355 KY
Self-reported in NPPES; status is on the state search - Practice location
- 520 Eaton Ave Ste 200, Hamilton, OH 45013
- Phone
- (513) 867-1200
- Enumerated
- Apr 9, 2013
- Record last updated
- Nov 25, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (513) 867-1266
- Medicaid ID
- 0325648 OH
- Medicare enrollment
- Enrolled (PECOS I20240909002922); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest obstetrics & gynecology physician records → All 1,572 in Ohio → Look up another NPI →
Also registered at 520 Eaton Ave Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Phillip Carr, M.D.Obstetrics & Gynecology Physician1063456747
- Jennifer Hill, WHNPWomen's Health Nurse Practitioner1689060824
- Kelly Risner, M.D.Obstetrics & Gynecology Physician1285749846
Verify Andrew E-Kong Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersState Medical Board of Ohio
Search for license 35.137264Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
88% fewer Medicare Part D claims than the average obstetrics & gynecology physician in 2024
20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 78.9 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. 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, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $2,267.58
39 payments; by number, the most common kind was food and beverage; 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
- Associates IN Womens Health CareRoseville, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Andrew E-Kong Chang among 1,572 obstetrics & gynecology physician records in Ohio
Andrew E-Kong Chang, MD is one of 1,572 obstetrics & gynecology physician records with a practice address in Ohio. 79% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 75% of them.
- NPI issued2013 · 75% of these records are older, 22% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2013 · median 2004 among the 1,041 with a school on file
- Record last updated2020 · 58% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207V00000X and a Ohio practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Obstetrics & Gynecology Physician providers in Ohio
There are 1,572 obstetrics & gynecology physician records in Ohio.
All 1,572 in Ohio → Every provider in Hamilton → Obstetrics & Gynecology Physician nationwide →
The 8 obstetrics & gynecology physician records with the nearest ZIP codes
- Jennifer Bolan, MDHamilton, OH 450131790960953
- Phillip Carr, M.D.Hamilton, OH 450131063456747
- James Reboulet, M.D.Hamilton, OH 450131639270192
- Kelly Risner, M.D.Hamilton, OH 450131285749846
- Milton Troche, M.D,Hamilton, OH 450131114036431
- Colleen Swayze, MDFairfield, OH 450141457300063
- Marvin Almquist, M.D.Fairfield Township, OH 450111750384871
- Beverly Alten, MDFairfield Township, OH 450111669415402
Common questions
What is Andrew E-Kong Chang, MD's NPI number?
Andrew E-Kong Chang, MD's National Provider Identifier (NPI) is 1356784441, issued on Apr 9, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Andrew E-Kong Chang, MD located?
The NPPES record lists a practice address at 520 Eaton Ave Ste 200, Hamilton, OH, 45013. Phone: (513) 867-1200. Providers update this record themselves, so call before visiting.
How can I verify Andrew E-Kong Chang, MD's license?
NPPES lists Ohio license number 35.137264, as entered by the provider. Search the State Medical Board of Ohio at https://elicense.ohio.gov/oh_verifylicense. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Andrew E-Kong Chang, MD prescribe under Medicare Part D?
In 2024, Andrew E-Kong Chang, MD had 20 Medicare Part D claims for 12 beneficiaries; the average among obstetrics & gynecology physician prescribers was 165. Part D covers Medicare prescriptions only.
What is Andrew E-Kong Chang, MD's MIPS final score?
The 2023 MIPS final score is 78.9 of 100, reported for the practice group. 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.