William Chang
- Medicare services, 2024
- 90
- Medicare patients, 2024
- 216
- Hospital affiliations
- 1
- Industry payments
- $2,715
- Medical group
- 1
- Practice address
- 1211 Medical Center Drive, Nashville, TN 37232
- Practice phone
- Call (615) 322-3454
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find William 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.
William Chang is an anesthesiologist in Nashville, Tennessee
William Chang practices at Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center.
William Chang's NPI, 1508258351, was assigned on March 2, 2015. William Chang graduated from Northwestern University Feinberg Medical School in 2017. William Chang holds Tennessee license 65674.
- NPI
- 1508258351NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4284905035
- NPI enumeration date
- March 2, 2015
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (615) 322-3454
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
William Chang practices at Vanderbilt University Medical Center in Nashville, Tennessee
William Chang's primary practice is Vanderbilt University Medical Center, at 1211 Medical Center Drive, Nashville, TN 37232 in Davidson County. The practice phone is (615) 322-3454.
- Vanderbilt University Medical Center1211 Medical Center Drive, Nashville, TN 37232 · Davidson CountyPhone(615) 322-3454
Source: Dmand AI Affiliation Data
William Chang is affiliated with 2 sites of care and 1 medical group
William Chang's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. The medical group on file is Vanderbilt University Medical Center. Dmand AI also links William Chang to 1 more group practice or clinic, named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at William Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where William Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Vanderbilt University Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across Vanderbilt University Medical Center and 6.2K+ hospitals, with verified contacts in the same login.
William Chang is one of 734 anesthesiologists in Tennessee
Anesthesiology is William Chang's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dmand AI has William Chang's licenses on file in 2 states: Tennessee and Michigan.
Specialties and state licenses
- Anesthesiology, TennesseePrimary
- Michigan license
Anesthesiologists near William Chang
Counts of anesthesiologists 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
William Chang billed Medicare for 90 services in 2024
CMS data shows 90 Medicare services from William Chang across 3 procedure codes in 2024, for 216 Medicare patients. Medicare paid $9,501 for them. Every service was in a facility, such as a hospital, rather than an office.
William Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Surgery
- 2023: 262024: 4885%
- Anesthesia
- 2023: 972024: 4257%
William Chang compared with the Tennessee median for anesthesiologists, 2024
- William Chang
- Tennessee median
- Medicare services
- 90vs 838% above
- Medicare patients
- 216vs 14747% above
Medians across 729 anesthesiologists in Tennessee with Dmand AI profiles that report each measure.
William 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 William Chang?
Medicare shows one payer. Book a meeting to get commercial claims data for William Chang and other anesthesiologists in Tennessee.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
William Chang treated 216 Medicare patients in 2024, average age 70
CMS counts 216 Medicare patients who saw William Chang in 2024. The largest group is 65 to 74, with 106 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 13% are also on Medicaid. Their average risk score is 2.65, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts William Chang's median patient age at 60, with 40% women.
William Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
William Chang's Medicare patients by sex, 2024
- Women10147%
- Men11553%
Chronic conditions among William Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis49%
- Chronic kidney disease45%
- Mood disorders40%
- Diabetes39%
- Anxiety38%
- Depression38%
Share of Medicare patients with each condition. A patient can have several.
William 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 60
Patient panel by sex, all payers
- Women40%
- Men60%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How William Chang takes part in Medicare
William Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
For MedTech and pharma teams
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William Chang received $2,715 in industry payments in 2022
CMS Open Payments shows 11 general payments to William Chang from 1 drug or device company in 2022. Travel and lodging make up the largest share, 100% of the total. Intuitive Surgical, Inc. paid the most, $2,715.
Companies that paid William Chang the most, 2022 to 2022
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
William Chang graduated from Northwestern University Feinberg Medical School
William Chang graduated from Northwestern University Feinberg Medical School in 2017.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for William 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile 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 William 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 William Chang's NPI number?
William Chang's NPI number is 1508258351. It was assigned on March 2, 2015, and it is active in the NPI Registry.
What does William Chang specialize in?
William Chang is an anesthesiologist in Nashville, Tennessee. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does William Chang practice?
William Chang practices at 1211 Medical Center Drive, Nashville, TN 37232. William Chang's primary practice is Vanderbilt University Medical Center in Nashville, Tennessee, part of Vanderbilt University Medical Center. Dmand AI also links William Chang to 1 group practice or clinic.
What is William Chang's office phone number?
The practice phone on file for William Chang is (615) 322-3454.
What is William Chang's medical license number?
William Chang holds Tennessee license 65674, one of the licenses on file in 2 states.
Which states has William Chang been licensed in?
Dmand AI has state licenses on file for William Chang in Tennessee and Michigan.
Which hospitals is William Chang affiliated with?
William Chang practices at Vanderbilt University Medical Center in Nashville, Tennessee.
What medical group is William Chang part of?
William Chang is linked to Vanderbilt University Medical Center.
Does William Chang accept Medicare?
Yes. CMS data shows William Chang billed Medicare for 90 services in 2024, and William Chang accepts Medicare assignment.
How many Medicare patients does William Chang see?
CMS counts 216 Medicare patients who saw William Chang in 2024, with an average age of 70.
Show 4 more questionsShow fewer questions
What services does William Chang bill to Medicare?
In 2024, William Chang's most billed Medicare services were surgery: heart and blood vessels (36620), anesthesia (00790) and anesthesia (00520).
Where did William Chang go to medical school?
William Chang graduated from Northwestern University Feinberg Medical School in 2017.
Has William Chang received payments from drug or device companies?
CMS Open Payments shows $2,715 in general payments to William Chang from 1 company from 2022 to 2022. The largest total came from Intuitive Surgical, Inc.
How long has William Chang been practicing?
William Chang graduated from medical school in 2017, 9 years ago.
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