DR. HAN-CHIH CHANG M.D.
NPI 1790776755
Radiology - Radiation Oncology in Nashville, TN
About Dr. Han-chih Chang M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. HAN-CHIH CHANG M.D. (NPI 1790776755) is an individual radiation oncology provider in Nashville, Tennessee, licensed in Tennessee (57231) and active in the NPI registry since October 2005. He is enrolled in Medicare PECOS, is affiliated with Norman Regional, and is a graduate of University Of Michigan Medical School (1995).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 6
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
Dr. Han-chih Chang M.d. 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
3Medicare enrollment records show Han-chih Chang reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Muskogee, OK 74401
- Reassigned Medicare billing, Oklahoma enrollment
- 66 clinicians in this Medicare group
Tulsa, OK 74136
- Reassigned Medicare billing, Oklahoma enrollment
- 1,144 clinicians in this Medicare group
Oklahoma City, OK 73142
- Reassigned Medicare billing, Oklahoma enrollment
- 28 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.
Areas of Expertise CMS Part B claims 54
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Norman Regional
Acute Care Hospitals · Norman, OKIntegris Bass Baptist Health Center
Acute Care Hospitals · Enid, OKIntegris Baptist Medical Center, Inc
Acute Care Hospitals · Oklahoma City, OKGrady Memorial Hospital
Acute Care Hospitals · Chickasha, OKOklahoma Heart Hospital, LLC
Acute Care Hospitals · Oklahoma City, OKPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37232 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
NASHVILLE, TN 37232
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 Han-chih Chang's NPI number?
The NPI number for Han-chih Chang is 1790776755. It was assigned to this individual provider in the NPPES registry on October 31, 2005.
Where is Han-chih Chang located?
Han-chih Chang practices at 3601 The Vanderbilt Clinic, Nashville, TN 37232. The listed phone number is (615) 322-3000.
What is Han-chih Chang's specialty?
The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.
Is Han-chih Chang enrolled in Medicare?
Yes. Han-chih 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 Han-chih Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Han-chih Chang reassigns Medicare benefits to 3 organizations: Saint Francis Hospital Muskogee Inc (Muskogee, OK), Warren Clinic Inc (Tulsa, OK) and Oklahoma Proton Center LLC (Oklahoma City, OK). 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 Han-chih Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Han-chih Chang accept?
Health plans from Blue Cross and Blue Shield of Oklahoma list Han-chih 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.
Is Han-chih Chang affiliated with any hospitals?
According to CMS data, Han-chih Chang is affiliated with Norman Regional, Integris Bass Baptist Health Center, Integris Baptist Medical Center, Inc, Grady Memorial Hospital and Oklahoma Heart Hospital, LLC.
When was this NPI record last updated?
The NPPES record for Han-chih Chang was last updated on June 26, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.