VIVIAN K CHANG MD
NPI 1871527309
Orthopaedic Surgery in Tuba City, AZ
About Vivian K Chang Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
VIVIAN K CHANG MD (NPI 1871527309) is an individual orthopaedic surgery provider in Tuba City, Arizona, licensed in New York (183196) and active in the NPI registry since July 2006. She is enrolled in Medicare PECOS, is affiliated with Kona Community Hospital, and is a graduate of State University Of New York Downstate Medical Center (1986).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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
Vivian K 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 Vivian Chang reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Bennington, VT 05201
- Reassigned Medicare billing, Vermont enrollment
- 14 clinicians in this Medicare group
Kailua Kona, HI 96740
- Reassigned Medicare billing, Hawaii enrollment
- 60 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Kona Community Hospital
Acute Care Hospitals · Kealakekua, HIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 86045 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
TUBA CITY, AZ 86045
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 Vivian Chang's NPI number?
The NPI number for Vivian Chang is 1871527309. It was assigned to this individual provider in the NPPES registry on July 10, 2006.
Where is Vivian Chang located?
Vivian Chang practices at 167 North Main Street, Tuba City, AZ 86045. The listed phone number is (928) 283-2501.
What is Vivian Chang's specialty?
The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.
Is Vivian Chang enrolled in Medicare?
Yes. Vivian 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 Vivian Chang's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Vivian Chang reassigns Medicare benefits to 2 organizations: Southwestern Vermont Medical Center, Inc (Bennington, VT) and Alii Health Center (Kailua Kona, HI). 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 Vivian Chang's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Vivian Chang affiliated with any hospitals?
According to CMS data, Vivian Chang is affiliated with Kona Community Hospital.
When was this NPI record last updated?
The NPPES record for Vivian Chang was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Vivian K Chang, MD · NPI 1871527309
Orthopaedic Surgery physician in Tuba City, Arizona. Individual provider, active in the CMS NPPES registry since July 10, 2006.
## Identity
- **NPI:** 1871527309 (Entity type: Individual)
- **Enumerated:** July 10, 2006
- **Primary specialty:** Orthopaedic Surgery · taxonomy 207X00000X
- **State license:** 183196 (New York)
- **Sole proprietor:** No
## Practice location
- **Address:** 167 NORTH MAIN STREET, Tuba City, AZ 86045-0600
- **Phone:** (928) 283-2501 · **Fax:** (928) 283-2677
## 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): Southwestern Vermont Medical Center, Inc (NPI 1487930632, Bennington, VT); Alii Health Center (NPI 1285107698, Kailua Kona, HI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York Downstate Medical Center, class of 1986
## Record status
- **NPPES last updated:** July 8, 2007
- **Other identifiers:** Medicaid 529505 (AZ); Medicare UPIN F87067; Medicare ID-Type Unspecified 8EZ35M
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Source: [NPI Profile](https://npiprofile.com/npi/1871527309) · Data from the CMS NPPES public registry.