NPPES file of Aug 9, 2026

Vivian K. Chang, MD

Orthopaedic Surgery Physician · Tuba City, AZ

Vivian K. Chang, MD is an orthopaedic surgery physician with a practice address in Tuba City, Arizona, and NPI 1871527309, issued on Jul 10, 2006. Check the license on the Arizona Medical Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1871527309
Name
Vivian K. Chang
Credential
MD
Primary taxonomy
Orthopaedic Surgery Physician 207X00000X
License number
183196 NY
Self-reported in NPPES; status is on the state search
Practice location
167 North Main Street, Tuba City, AZ 86045
Phone
(928) 283-2501
Enumerated
Jul 10, 2006
Record last updated
Jul 8, 2007 (not updated in 19 years: call before relying on the address or phone)
Fax
(928) 283-2677
Medicaid ID
529505 AZ
Medicare enrollment
Enrolled (PECOS I20080201000472); accepts Medicare assignment
Medical or professional school
State University Of New York Downstate Medical Center, 1986
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Also registered at 167 North Main Street

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Monique Gia Abad, RNRegistered Nurse1114330883
  2. Dustin Abaonza, PHARM DPharmacist1063774057
  3. Kristin AbaonzaPharmacist1255643458
  4. Linda Abernathy, MDEmergency Medicine Physician1386687093
  5. Charles Adams, RNRegistered Nurse1821423021
  6. Abebe AdunaRegistered Nurse1417312794

Verify Vivian K. Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersArizona Medical BoardCheck the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Arizona license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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96% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024

15 Medicare Part D claims, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Vivian Chang15
  2. Specialty average346

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: $500.92

8 payments; by number, the most common kind was food and beverage; the largest payer was Elevate Surgical CO. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Vivian Chang$501
  2. Specialty average$23,023

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

  1. Alii Health CenterKailua Kona, HI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Vivian K. Chang among 462 orthopaedic surgery physician records in Arizona

Vivian K. Chang, MD is one of 462 orthopaedic surgery physician records with a practice address in Arizona. 76% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 18% of them.

  • NPI issued2006 · 18% of these records are older, 51% newer
  • In a Medicare fileYes · 76% of these records are
  • In the CMS Doctors and Clinicians fileYes · 61% of these records are
  • Graduated1986 · median 2003 among the 281 with a school on file
  • Record last updated2007 · 51% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Arizona practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Orthopaedic Surgery Physician providers in Arizona

There are 462 orthopaedic surgery physician records in Arizona.

The 8 orthopaedic surgery physician records with the nearest ZIP codes

  1. James Beck, MDTuba City, AZ 860451427067123
  2. Thomas Peters, M.D.Tuba City, AZ 860451912906645
  3. Shannah Redmon, MDTuba City, AZ 860451548309545
  4. Kosta Zinis, DOTuba City, AZ 860451801974886
  5. Timothy Bonatus, MDFlagstaff, AZ 860011023089646
  6. Torey Botti, M.D.Flagstaff, AZ 860011952348237
  7. Bourck Cashmore, MDFlagstaff, AZ 860011225009707
  8. Brandon Clark, DOFlagstaff, AZ 860011174844138

Common questions

What is Vivian K. Chang, MD's NPI number?

Vivian K. Chang, MD's National Provider Identifier (NPI) is 1871527309, issued on Jul 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Vivian K. Chang, MD located?

The NPPES record lists a practice address at 167 North Main Street, Tuba City, AZ, 86045. Phone: (928) 283-2501. Providers update this record themselves, so call before visiting.

How can I verify Vivian K. Chang, MD's license?

Search the Arizona Medical Board at https://www.azmd.gov/. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Vivian K. Chang, MD prescribe under Medicare Part D?

In 2024, Vivian K. Chang, MD had 15 Medicare Part D claims; the average among orthopaedic surgery physician prescribers was 346. 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.