NPPES file of Aug 9, 2026

Han-Chih Chang, M.D.

Radiation Oncology Physician · Nashville, TN

Han-Chih Chang, M.D. is a radiation oncology physician with a practice address in Nashville, Tennessee, and NPI 1790776755, issued on Oct 31, 2005. Check the license (Tennessee 57231, as entered in NPPES) on the Tennessee Board of Medical Examiners; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1790776755
Name
Han-Chih Chang
Credential
M.D.
Primary taxonomy
Radiation Oncology Physician 2085R0001X
License numbers
57231 TN
036102262 IL
Self-reported in NPPES; status is on the state search
Practice location
3601 The Vanderbilt Clinic, Nashville, TN 37232
Phone
(615) 322-3000
Enumerated
Oct 31, 2005
Record last updated
Jun 26, 2018 (not updated in 8 years: call before relying on the address or phone)
Medicaid ID
036102262 IL
Medicare enrollment
Enrolled (PECOS I20190418001017); accepts Medicare assignment
Medical or professional school
University Of Michigan Medical School, 1995
Telehealth
Offers telehealth (CMS)
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 3601 The Vanderbilt Clinic

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

  1. Kristie AamodtPediatric Endocrinology Physician1780115931
  2. Hibo Abdi, APRNGerontology Nurse Practitioner1336761758
  3. Hodan Abdi, NPFamily Nurse Practitioner1710383922
  4. Cecilia Abello, PA-CPhysician Assistant1760336101
  5. Ahad Abid, MDInternal Medicine Physician1316500176
  6. Yara Aboshady, MDObstetrics & Gynecology Physician1558998971

Verify Han-Chih Chang in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersTennessee Board of Medical Examiners
    Search for license 57231
    Check 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 Tennessee 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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4.1 times the Medicare Part D claims of the average radiation oncology physician in 2024

552 Medicare Part D claims for 194 beneficiaries, against an average of 134 among the 4,851 providers of this specialty who prescribed in Part D. Brand-name drugs were 5% of claims.

  1. Han-Chih Chang552
  2. Specialty average134

Most prescribed

  1. Tamsulosin Hcl262 claims
  2. Tolterodine Tartrate Er48 claims
  3. Gabapentin34 claims
  4. Venlafaxine Hcl Er26 claims
  5. Alfuzosin Hcl Er25 claims
  6. Ciprofloxacin Hcl18 claims

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): 59 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.

  1. Qualityout of 100 · 30% of the final score64.9
  2. Costout of 100 · 30%10.0
  3. Promoting interoperabilitynot scored (reweighted)
  4. Improvement activities40 of 40 points · 15%100.0

Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).

Industry payments in 2024: $15,936.70

31 payments; by number, the most common kind was food and beverage; the largest payer was Teleflex LLC. The 3,275 providers of this specialty with any payment received $1,897.85 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Han-Chih Chang$15,937
  2. Specialty average$1,898

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. Oklahoma Proton Center LLCOklahoma City, OK

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

Han-Chih Chang among 132 radiation oncology physician records in Tennessee

Han-Chih Chang, M.D. is one of 132 radiation oncology physician records with a practice address in Tennessee. 83% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.

  • NPI issued2005 · 0% of these records are older, 90% newer
  • In a Medicare fileYes · 83% of these records are
  • In the CMS Doctors and Clinicians fileYes · 74% of these records are
  • Graduated1995 · median 2005 among the 98 with a school on file
  • Record last updated2018 · 52% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2085R0001X and a Tennessee practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

Radiation Oncology Physician providers in Tennessee

There are 132 radiation oncology physician records in Tennessee.

The 8 radiation oncology physician records with the nearest ZIP codes

  1. Diandra Ayala-Peacock, MDNashville, TN 372321558682336
  2. Anuradha ChakravarthyNashville, TN 372321164506275
  3. Anthony Cmelak, MDNashville, TN 372321912099334
  4. Mersiha Hadziahmetovic, M.D.Nashville, TN 372321932369279
  5. Corbin Johnson, MDNashville, TN 372321154359289
  6. Dong Kim, M.D.Nashville, TN 372321861422420
  7. Austin Kirschner, M.D., PH.D.Nashville, TN 372321891927208
  8. Arnold Malcolm, MDNashville, TN 372321568554996

Common questions

What is Han-Chih Chang, M.D.'s NPI number?

Han-Chih Chang, M.D.'s National Provider Identifier (NPI) is 1790776755, issued on Oct 31, 2005. An NPI identifies a provider in billing; it is not a license.

Where is Han-Chih Chang, M.D. located?

The NPPES record lists a practice address at 3601 The Vanderbilt Clinic, Nashville, TN, 37232. Phone: (615) 322-3000. Providers update this record themselves, so call before visiting.

How can I verify Han-Chih Chang, M.D.'s license?

NPPES lists Tennessee license number 57231, as entered by the provider. Search the Tennessee Board of Medical Examiners at https://www.tn.gov/health/licensure/me.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Han-Chih Chang, M.D. prescribe under Medicare Part D?

In 2024, Han-Chih Chang, M.D. had 552 Medicare Part D claims for 194 beneficiaries; the average among radiation oncology physician prescribers was 134. Part D covers Medicare prescriptions only.

What is Han-Chih Chang, M.D.'s MIPS final score?

The 2023 MIPS final score is 59 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.