ANDREW E-KONG CHANG MD
NPI 1356784441
Obstetrics & Gynecology in Hamilton, OH
About Andrew E-kong Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ANDREW E-KONG CHANG MD (NPI 1356784441) is an individual obstetrics & gynecology provider in Hamilton, Ohio, licensed in Ohio (35.137264) and active in the NPI registry since April 2013. He is enrolled in Medicare PECOS and is a graduate of Other (2013).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Andrew E-kong Chang Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Andrew Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Miamisburg, OH 45342
- Reassigned Medicare billing, Ohio enrollment
- 984 clinicians in this Medicare group
Roseville, CA 95661
- Reassigned Medicare billing, California enrollment
- 11 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Andrew Chang's NPI number?
The NPI number for Andrew Chang is 1356784441. It was assigned to this individual provider in the NPPES registry on April 9, 2013.
Where is Andrew Chang located?
Andrew Chang practices at 520 Eaton Ave Ste 200, Hamilton, OH 45013. The listed phone number is (513) 867-1200.
What is Andrew Chang's specialty?
The primary specialty registered for this NPI is Obstetrics & Gynecology with taxonomy code 207V00000X.
Is Andrew Chang enrolled in Medicare?
Yes. Andrew Chang is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Andrew Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Andrew Chang reassigns Medicare benefits to 2 organizations: Kettering Independent Medical Group Inc (Miamisburg, OH) and Associates In Womens Health Care (Roseville, CA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Andrew Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Andrew Chang accept?
Health plans from CareSource list Andrew Chang as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Andrew Chang was last updated on November 25, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Andrew E-Kong Chang, MD · NPI 1356784441
Obstetrics & Gynecology physician in Hamilton, Ohio. Individual provider, active in the CMS NPPES registry since April 9, 2013.
## Identity
- **NPI:** 1356784441 (Entity type: Individual)
- **Enumerated:** April 9, 2013
- **Primary specialty:** Obstetrics & Gynecology · taxonomy 207V00000X
- **State license:** 35.137264 (Ohio)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 520 EATON AVE STE 200, Hamilton, OH 45013-2716
- **Phone:** (513) 867-1200 · **Fax:** (513) 867-1266
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Kettering Independent Medical Group Inc (NPI 1629387865, Miamisburg, OH); Associates In Womens Health Care (NPI 1366419491, Roseville, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2013
## Record status
- **NPPES last updated:** November 25, 2020
- **Other identifiers:** Medicaid 0325648 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1356784441) · Data from the CMS NPPES public registry.