Michelle E. Chang

  • Tucson, AZ
  • General surgeon
NPI1184156531PAC ID8921353038
Medicare patients, 2026
35
Part D claims, 2026
206
Publications
6
MIPS score, 2026
93
Hospital affiliations
2
Practice address
6567 E Carondelet Dr, Tucson, AZ 85710
Practice phone
Call (520) 622-5912
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Carondelet Medical Group

Tucson, Arizona

See all 4 affiliations

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Michelle E. Chang is a general surgeon in Tucson, Arizona

Michelle Chang practices at Carondelet Medical Group in Tucson, Arizona.

Michelle Chang's NPI, 1184156531, was assigned on April 3, 2017. Michelle Chang graduated from University of Alabama School of Medicine in 2017. Michelle Chang holds Arizona license 69260.

NPI and contact details
Medicare PAC ID
8921353038
NPI enumeration date
April 3, 2017
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(520) 622-5912
Professional email
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Personal email
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Mobile number
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Sex
Female
Estimated age
35
Medical school graduation
2017

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Michelle E. Chang practices at Carondelet Medical Group in Tucson, Arizona

Michelle Chang's primary practice is Carondelet Medical Group, at 6567 E Carondelet Dr, Tucson, AZ 85710 in Pima County. The practice phone is (520) 622-5912.

  • Carondelet Medical Group
    6567 E Carondelet Dr, Tucson, AZ 85710 · Pima CountyPhone(520) 622-5912

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Michelle E. Chang is affiliated with 3 sites of care and 1 medical group

Michelle Chang's primary practice is Carondelet Medical Group in Tucson, Arizona. Michelle Chang is also affiliated with Tucson Medical Center. The medical group on file is Carondelet Medical Group. Dmand AI also links Michelle Chang to 1 more hospital, named with a free account.

See all 4 affiliations for Michelle Chang

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Michelle E. Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Michelle Chang practices, 2 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Carondelet Medical GroupAvailable with a free account
+2 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Michelle E. Chang is one of 617 general surgeons in Arizona

Surgery is Michelle Chang's primary specialty in the NPI Registry, under taxonomy code 208600000X. Dmand AI has Michelle Chang's licenses on file in 2 states: Arizona and Arkansas.

Specialties and state licenses

  • Surgery, ArizonaPrimaryLicense 69260 · taxonomy 208600000X
  • Specialist, ArkansasLicense 69260 · taxonomy 174400000X

General surgeons near Michelle Chang

Counts of general surgeons with a Dmand AI profile, by place and practice. Each opens the list.

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks

Michelle E. Chang treated 35 Medicare patients in 2026, average age 74

CMS counts 35 Medicare patients who saw Michelle Chang in 2026. The largest group is 75 to 84, with 18 patients. 69% of them have high cholesterol, and 60% have high blood pressure. Their average risk score is 1.04, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Michelle Chang's median patient age at 62, with 58% women.

Medicare patients, 202635
Average age74
Average risk score1.04

Michelle Chang's Medicare patients by age, 2026

CMS leaves out age groups with fewer than 11 patients.

Michelle Chang's Medicare patients by sex, 2026

  • Women2160%
  • Men1440%

Chronic conditions among Michelle Chang's Medicare patients, 2026

  1. High cholesterol69%
  2. High blood pressure60%
  3. Arthritis37%

Share of Medicare patients with each condition. A patient can have several.

Michelle Chang's patients across all payers

Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.

Patient panel by age, all payers

Median age 62

Patient panel by sex, all payers

  • Women58%
  • Men41%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2026 data

Michelle E. Chang wrote 206 Medicare Part D claims in 2026

In 2026, Michelle Chang wrote 206 Medicare Part D claims for 49 patients. 89% of them were for generic drugs. CMS names the drug for 169 of them, across 7 drugs with 11 or more claims each, at $2,079 in total drug cost. In 2023, CMS named 92 claims across 5 drugs.

Part D claims, 2026206
Drugs named by CMS7
Total drug cost$2,079
Part D patients49

Michelle Chang's Part D claims by kind of drug, 2026

  • Generic184 claims89%
  • Brand-name and other22 claims11%

Michelle Chang's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Michelle Chang's Part D claims, 2026

  • Opioids17%36 of 206 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 922024: 16984%

Drugs named by CMS: 7 in 2024, 5 in 2023.

See all prescribing by Michelle Chang

Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2026 data

Michelle E. Chang scored 93 out of 100 in Medicare's MIPS program for 2026

CMS publishes a Merit-based Incentive Payment System (MIPS) score of 93 out of 100 for Michelle Chang for performance year 2026, reported through an alternative payment model (APM). Michelle Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.

Accepts Medicare assignment
Yes

Michelle Chang's MIPS scores, performance year 2026

  • 93of 100Final score
  • 74.6of 100Quality
  • 99of 100Promoting Interoperability
  • 40of 100Improvement Activities

Each score is out of 100. The final score weighs the categories CMS scored for this clinician.

Colonoscopy: 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)

Hernia repair - groin (open): 1 to 10 procedures (CMS shows small counts as a range)

Mastectomy: 1 to 10 procedures (CMS shows small counts as a range)

Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)

Removal of tissue: 1 to 10 procedures (CMS shows small counts as a range)

Upper gastrointestinal (GI) endoscopy for acid reflux: 1 to 10 procedures (CMS shows small counts as a range)

Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2026 data; and Doctors and Clinicians Utilization Data (CMS)

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Michelle E. Chang has 6 publications on record

Dmand AI links 6 papers to Michelle Chang, published from 2017 to 2025. 2025 was the busiest year, with 3. The most frequent topics are Bariatric Surgery, Clinical Competence and Frailty. Michelle Chang has published most often in Surg Endosc. Michelle Chang's most frequent co-authors are Iman Ghaderi, MD, Denzel Cole, MD and Nicholas Jonas, MD.

Papers6
Years published2017 to 2025

Michelle Chang's papers by year, 2017 to 2025

Topics Michelle Chang writes about most

  • Bariatric Surgery
  • Clinical Competence
  • Frailty
  • General Surgery
  • Internship and Residency
  • Laparoscopy
  • Obesity, Morbid
  • Postoperative Complications

Michelle Chang's most frequent co-authors

Recent publications by Michelle Chang

See all 6 publications and co-authors

See who Michelle Chang researches with

Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Michelle Chang works with, so you can find a warm path to the right general surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Michelle E. Chang received $4,786 in industry payments from 2024 to 2025

CMS Open Payments shows 23 general payments to Michelle Chang from 5 drug and device companies from 2024 to 2025. Education make up the largest share, 63% of the total. Intuitive Surgical, Inc. paid the most, $3,901.

General payments to Michelle Chang by program year, 2024 to 2025

General payments to Michelle Chang by kind, 2024 to 2025

$4.8Kin total
  • Education$3,00063%
  • Food and beverage$1,45430%
  • Travel and lodging$3337%

Companies that paid Michelle Chang the most, 2024 to 2025

Share is of all general payments to this clinician.

See all payments to Michelle Chang

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Michelle E. Chang graduated from University of Alabama School of Medicine

Michelle Chang graduated from University of Alabama School of Medicine in 2017.

  1. Medical schoolUniversity of Alabama School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Michelle E. Chang's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Michelle E. Chang

Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.

What is Michelle E. Chang's NPI number?

Michelle E. Chang's NPI number is 1184156531. It was assigned on April 3, 2017, and it is active in the NPI Registry.

What does Michelle E. Chang specialize in?

Michelle E. Chang is a general surgeon in Tucson, Arizona. The primary specialty in the NPI Registry is Surgery Physician (taxonomy code 208600000X).

Where does Michelle E. Chang practice?

Michelle Chang practices at 6567 E Carondelet Dr, Tucson, AZ 85710. Michelle Chang's primary practice is Carondelet Medical Group in Tucson, Arizona. Dmand AI also links Michelle Chang to 1 hospital, and a free account names each one.

What is Michelle E. Chang's office phone number?

The practice phone on file for Michelle Chang is (520) 622-5912. Dmand AI also checks direct phone and mobile numbers, available with a free account.

What is Michelle E. Chang's email address?

Dmand AI checks professional and personal email addresses for Michelle Chang through healthcare-specific waterfall enrichment. They are available with a free Dmand AI account.

What is Michelle E. Chang's medical license number?

Michelle Chang holds Arizona license 69260, one of the licenses on file in 2 states.

Which states has Michelle E. Chang been licensed in?

Dmand AI has state licenses on file for Michelle Chang in Arizona and Arkansas.

Which hospitals is Michelle E. Chang affiliated with?

Michelle Chang is affiliated with Tucson Medical Center. Dmand AI links Michelle Chang to 1 more hospital, named with a free account.

What medical group is Michelle E. Chang part of?

Michelle Chang is linked to Carondelet Medical Group.

Who does Michelle E. Chang practice with?

Dmand AI links 169 HCPs to Michelle Chang's primary medical group, 7 of them general surgeons. A free account lists them, with verified contacts.

Show 10 more questionsShow fewer questions

Does Michelle E. Chang accept Medicare?

Yes. CMS lists Michelle Chang as accepting Medicare assignment.

What is Michelle E. Chang's MIPS score?

Michelle Chang's MIPS final score for performance year 2026 is 93 out of 100, reported through an alternative payment model (APM).

How many Medicare patients does Michelle E. Chang see?

CMS counts 35 Medicare patients who saw Michelle Chang in 2026, with an average age of 74.

Where did Michelle E. Chang go to medical school?

Michelle Chang graduated from University of Alabama School of Medicine in 2017.

What drugs does Michelle E. Chang prescribe most?

In 2024 Medicare Part D data, Michelle Chang's most prescribed drugs by claims were Ondansetron ODT, Oxycodone HCl and Pantoprazole Sodium.

Has Michelle E. Chang received payments from drug or device companies?

CMS Open Payments shows $4,786 in general payments to Michelle Chang from 5 companies from 2024 to 2025. The largest total came from Intuitive Surgical, Inc.

How long has Michelle E. Chang been practicing?

Michelle Chang graduated from medical school in 2017, 9 years ago.

Does Michelle E. Chang do research?

Dmand AI links 6 publications to Michelle Chang, published from 2017 to 2025.

Who does Michelle E. Chang publish with?

Michelle Chang's most frequent co-authors are Iman Ghaderi, MD (4 shared papers), Denzel Cole, MD (1 shared paper) and Nicholas Jonas, MD (1 shared paper).

What EHR does Michelle E. Chang's practice use?

Dmand AI tracks the EHR system at Carondelet Medical Group and at 2 more affiliated sites. The vendor and product are available with a free Dmand AI account.

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