Otolaryngol Head Neck Surg
Dr. Chia-Wai David Chang, MD
- Medicare services, 2024
- 1,935
- Medicare patients, 2024
- 320
- Part D claims, 2024
- 285
- Publications
- 34
- MIPS score, 2024
- 80
- Practice address
- 300 Portland St, Columbia, MO 65201
- Practice phone
- Call (573) 882-4141
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Missouri Orthopaedic Institute
Columbia, Missouri
Find Dr. Chang's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Chia-Wai David Chang is an otolaryngologist in Columbia, Missouri
Dr. Chang practices at Missouri Orthopaedic Institute in Columbia, Missouri.
Dr. Chang's NPI, 1013975986, was assigned on May 2, 2006. Dr. Chang graduated from University of Kansas School of Medicine - Kansas City in 1999. Dr. Chang holds Missouri license 2005023723.
- NPI
- 1013975986NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0143297580
- NPI enumeration date
- May 2, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (573) 882-4141
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 53
- Medical school graduation
- 1999
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Chia-Wai David Chang practices at Missouri Orthopaedic Institute in Columbia, Missouri
Dr. Chang's primary practice is Missouri Orthopaedic Institute, at 300 Portland St, Columbia, MO 65201 in Boone County. The practice phone is (573) 882-4141.
- Missouri Orthopaedic Institute300 Portland St, Columbia, MO 65201 · Boone CountyPhone(573) 882-4141
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Chia-Wai David Chang is affiliated with 3 sites of care and 1 medical group
Dr. Chang's primary practice is Missouri Orthopaedic Institute in Columbia, Missouri. Dr. Chang is also affiliated with University Hospital. The medical group on file is University of Missouri Health Care. Dmand AI also links Dr. Chang to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Chia-Wai David Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Missouri Orthopaedic Institute | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Chia-Wai David Chang is one of 195 otolaryngologists in Missouri
Otolaryngology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207Y00000X. Dr. Chang is board certified in facial plastic surgery by the American Board of Facial Plastic and Reconstructive Surgery. Dmand AI has Dr. Chang's licenses on file in 2 states: Missouri and Florida.
Specialties and state licenses
- Otolaryngology, MissouriPrimary
- Florida license
Clinical focus
Dmand AI lists acute sinusitis, chronic nasal allergies, chronic sinusitis, endoscopic sinus surgery and tinnitus among the conditions Dr. Chang treats.
Otolaryngologists near Dr. Chang
Counts of otolaryngologists 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
Dr. Chia-Wai David Chang billed Medicare for 1,935 services in 2024
CMS data shows 1,935 Medicare services from Dr. Chang across 12 procedure codes in 2024, for 320 Medicare patients. Medicare paid $41,918 for them.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 6752024: 1,576133%
- Office and hospital visits
- 2023: 1822024: 24233%
- Surgery
- 2023: 782024: 11750%
Where Dr. Chang's Medicare services took place, 2024
- In an office1,90298%
- In a facility332%
Dr. Chang compared with the Missouri median for otolaryngologists, 2024
- Dr. Chang
- Missouri median
- Medicare services
- 1,935vs 5743.4 times
- Medicare patients
- 320vs 26322% above
- Part D claims
- 211vs 14348% above
Medians across 192 otolaryngologists in Missouri with Dmand AI profiles that report each measure.
Dr. Chang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
Need commercial claims for Dr. Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other otolaryngologists in Missouri.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Chia-Wai David Chang treated 320 Medicare patients in 2024, average age 70
CMS counts 320 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 167 patients. 70% of them have high blood pressure, and 65% have high cholesterol. 11% are also on Medicaid. Their average risk score is 1.06, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 61, with 55% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women17254%
- Men14846%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High blood pressure70%
- High cholesterol65%
- Arthritis47%
- Anxiety30%
- Mood disorders27%
- Depression24%
- Diabetes23%
- Asthma22%
Share of Medicare patients with each condition. A patient can have several.
Dr. 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 61
Patient panel by sex, all payers
- Women55%
- Men44%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Chia-Wai David Chang wrote 285 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 285 Medicare Part D claims for 80 patients. 80% of them were for generic drugs. CMS names the drug for 211 of them, across 5 drugs with 11 or more claims each, at $143,225 in total drug cost. In 2023, CMS named 160 claims across 4 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic229 claims80%
- Brand-name56 claims20%
Dr. 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 Dr. Chang's Part D claims, 2024
- Antibiotics22%64 of 285 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: 1602024: 21132%
Drugs named by CMS: 5 in 2024, 4 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Chia-Wai David Chang scored 80 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 80 out of 100 for Dr. Chang for performance year 2024, reported as part of a group. Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Dr. Chang's MIPS scores, performance year 2024
- 80of 100Final score
- 58.2of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
- 76of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Melanoma (skin cancer) excision: 1 to 10 procedures (CMS shows small counts as a range)
Removal or shaving of skin growth: 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), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Chia-Wai David Chang has 34 publications on record
Dmand AI links 34 papers to Dr. Chang, published from 2015 to 2023. 2017 was the busiest year, with 3. The most frequent topics are Otolaryngology, Internship and Residency and Education, Medical, Graduate. Dr. Chang has published most often in Otolaryngol Head Neck Surg. Dr. Chang's most frequent co-authors are Marc Christian Thorne, MD, Sarah Nightingale Bowe, MD and Steven Daniel Pletcher, MD.
Dr. Chang's papers by year, 2015 to 2023
Topics Dr. Chang writes about most
- Otolaryngology
- Internship and Residency
- Education, Medical, Graduate
- Personnel Selection
- COVID-19
- Forehead
- Pandemics
- Quality Improvement
Dr. Chang's most frequent co-authors
- Marc Christian Thorne, MD4 shared papers
- Sarah Nightingale Bowe, MD3 shared papers
- Steven Daniel Pletcher, MD3 shared papers
Recent publications by Dr. Chang
Am J Otolaryngol
Facial Plast Surg
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right otolaryngologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Chia-Wai David Chang received $1,667 in industry payments from 2017 to 2025
CMS Open Payments shows 29 general payments to Dr. Chang from 15 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 69% of the total. Inspire Medical Systems, Inc. paid the most, $1,077.
General payments to Dr. Chang by program year, 2017 to 2025
General payments to Dr. Chang by kind, 2017 to 2025
- Food and beverage$1,15969%
- Travel and lodging$50931%
Companies that paid Dr. Chang the most, 2017 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Chia-Wai David Chang has 12 awards and honors on record
Dmand AI lists 12 awards for Dr. Chang, most recently Honor Award in 2014.
Awards and honors for Dr. Chang
- 2014
- Honor Award
- Second place clinical poster
- 2013
- Jerry W. Templer MD Endowed Faculty Scholar
- Jerry W. Templer, MD, Faculty Scholar
- Vice Chancellor Award for Research
- Winner of Vice Chancellor Award for Research
Source: Dmand AI Professional Profile Data
Dr. Chia-Wai David Chang graduated from University of Kansas School of Medicine - Kansas City
Dr. Chang graduated from University of Kansas School of Medicine - Kansas City in 1999. Dr. Chang is a member of NHS.
- Medical school
- Board certified in facial plastic surgery
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Dr. Chia-Wai David Chang accepts plans from 15 insurance carriers
Dr. Chang is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- Aspirus Health Plan
- Blue Cross Blue Shield of Massachusetts
- Regence Health Plans
- +7 more carriersWith a free account
Plan types Dr. Chang accepts, by number of carriers
- PPO10
- HMO7
- Medicare7
- EPO4
- POS4
Source: Dmand AI Insurance Network Data
Sources for Dr. Chia-Wai David Chang's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare 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 percentiles | Doctors 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-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| Insurance carriers and plan types | Dmand AI Insurance Network Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Chia-Wai David 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 Dr. Chia-Wai David Chang's NPI number?
Dr. Chia-Wai David Chang's NPI number is 1013975986. It was assigned on May 2, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Chia-Wai David Chang?
Dr. Chia-Wai David Chang is an otolaryngologist in Columbia, Missouri. The primary specialty in the NPI Registry is Otolaryngology Physician (taxonomy code 207Y00000X).
Where does Dr. Chia-Wai David Chang practice?
Dr. Chang practices at 300 Portland St, Columbia, MO 65201. Dr. Chang's primary practice is Missouri Orthopaedic Institute in Columbia, Missouri. Dmand AI also links Dr. Chang to 1 group practice or clinic.
What is Dr. Chia-Wai David Chang's office phone number?
The practice phone on file for Dr. Chang is (573) 882-4141.
What is Dr. Chia-Wai David Chang's medical license number?
Dr. Chang holds Missouri license 2005023723, one of the licenses on file in 2 states.
Which states has Dr. Chia-Wai David Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Missouri (2005 to 2026) and Florida (2004 to 2006).
Which hospitals is Dr. Chia-Wai David Chang affiliated with?
Dr. Chang is affiliated with University Hospital.
What medical group is Dr. Chia-Wai David Chang part of?
Dr. Chang is linked to University of Missouri Health Care.
Does Dr. Chia-Wai David Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 1,935 services in 2024, and Dr. Chang accepts Medicare assignment.
What is Dr. Chia-Wai David Chang's MIPS score?
Dr. Chang's MIPS final score for performance year 2024 is 80 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Chia-Wai David Chang see?
CMS counts 320 Medicare patients who saw Dr. Chang in 2024, with an average age of 70.
Is Dr. Chia-Wai David Chang board certified?
Yes. Dr. Chang is board certified in facial plastic surgery by the American Board of Facial Plastic and Reconstructive Surgery.
What services does Dr. Chia-Wai David Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were allergy test or treatment (95004), allergy test or treatment (95165) and allergy test or treatment (95117).
Where did Dr. Chia-Wai David Chang go to medical school?
Dr. Chang graduated from University of Kansas School of Medicine - Kansas City in 1999.
What drugs does Dr. Chia-Wai David Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Fluticasone Propionate, Ipratropium Bromide and Hizentra.
Has Dr. Chia-Wai David Chang received payments from drug or device companies?
CMS Open Payments shows $1,667 in general payments to Dr. Chang from 15 companies from 2017 to 2025. The largest total came from Inspire Medical Systems, Inc.
How long has Dr. Chia-Wai David Chang been practicing?
Dr. Chang graduated from medical school in 1999, 27 years ago.
Does Dr. Chia-Wai David Chang do research?
Dmand AI links 34 publications to Dr. Chang, published from 2015 to 2023.
Who does Dr. Chia-Wai David Chang publish with?
Dr. Chang's most frequent co-authors are Marc Christian Thorne, MD (4 shared papers), Sarah Nightingale Bowe, MD (3 shared papers) and Steven Daniel Pletcher, MD (3 shared papers).
What insurance does Dr. Chia-Wai David Chang accept?
Dr. Chang is in network with 15 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
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