Dr. David Jin-Woo Chang, MD
- Medicare services, 2024
- 13,428
- Medicare patients, 2024
- 1,218
- Industry payments
- $883
- Affiliated sites
- 2
- Medical group
- 1
- Practice address
- 2525 Ne 139th Street, Vancouver, WA 98686
- Practice phone
- Call (360) 882-2778
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Salmon Creek 1 Clinic
Mammography / Breast Imaging Center · Vancouver, Washington
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. David Jin-Woo Chang is a neuroradiologist in Vancouver, Washington
Dr. Chang practices at Salmon Creek 1 Clinic in Vancouver, Washington.
Dr. Chang's NPI, 1861601791, was assigned on May 21, 2007. Dr. Chang graduated from Yale University School of Medicine in 1998. Dr. Chang holds Washington license MD00048065.
- NPI
- 1861601791NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4880782028
- NPI enumeration date
- May 21, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (360) 882-2778
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 54
- Medical school graduation
- 1998
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David Jin-Woo Chang practices at Salmon Creek 1 Clinic in Vancouver, Washington
Dr. Chang's primary practice is Salmon Creek 1 Clinic, at 2525 Ne 139th Street, Vancouver, WA 98686. The practice phone is (360) 882-2778.
- Salmon Creek 1 Clinic2525 Ne 139th Street, Vancouver, WA 98686Phone(360) 882-2778
Source: Dmand AI Affiliation Data
Dr. David Jin-Woo Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Salmon Creek 1 Clinic in Vancouver, Washington. The medical group on file is Vancouver Clinic. Dmand AI also links Dr. Chang to 1 more ambulatory surgery center, named with a free account. Dr. Chang's employer is on file too: a breast imaging center.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David Jin-Woo 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 |
|---|---|
| Salmon Creek 1 Clinic | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David Jin-Woo Chang is one of 34 neuroradiologists in Washington
Neuroradiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2085N0700X. Dmand AI has Dr. Chang's licenses on file in 3 states: Washington, Missouri and Oregon.
Specialties and state licenses
- Neuroradiology, WashingtonPrimary
- Missouri license
- Oregon license
Neuroradiologists near Dr. Chang
Counts of neuroradiologists 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. David Jin-Woo Chang billed Medicare for 13,428 services in 2024
CMS data shows 13,428 Medicare services from Dr. Chang across 41 procedure codes in 2024, for 1,218 Medicare patients. Medicare paid $91,909 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Other services
- 2023: 15,1502024: 12,04021%
- Imaging
- 2023: 1,5972024: 1,33816%
- Tests and treatments
- 2023: 582024: 5014%
Dr. Chang compared with the Washington median for neuroradiologists, 2024
- Dr. Chang
- Washington median
- Medicare services
- 13,428vs 3,2014.2 times
- Medicare patients
- 1,218vs 1,35710% below
Medians across 29 neuroradiologists in Washington 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 neuroradiologists in Washington.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David Jin-Woo Chang treated 1,218 Medicare patients in 2024, average age 73
CMS counts 1,218 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 598 patients. 70% of them have high cholesterol, and 65% have high blood pressure. 8% are also on Medicaid. Their average risk score is 1.21, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 72, with 58% women.
Dr. Chang's Medicare patients by age, 2024
Dr. Chang's Medicare patients by sex, 2024
- Women73560%
- Men48340%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- High cholesterol70%
- High blood pressure65%
- Arthritis49%
- Diabetes26%
- Anxiety23%
- Ischemic heart disease22%
- Mood disorders22%
- Depression21%
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 72
Patient panel by sex, all payers
- Women58%
- Men41%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
How Dr. David Jin-Woo Chang takes part in Medicare
Dr. 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)
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Dr. David Jin-Woo Chang received $883 in industry payments from 2017 to 2019
CMS Open Payments shows 7 general payments to Dr. Chang from 2 drug and device companies from 2017 to 2019. Travel and lodging make up the largest share, 87% of the total. Stryker Corporation paid the most, $855.
General payments to Dr. Chang by program year, 2017 to 2019
General payments to Dr. Chang by kind, 2017 to 2019
- Travel and lodging$77187%
- Food and beverage$11213%
Companies that paid Dr. Chang the most, 2017 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David Jin-Woo Chang graduated from Yale University School of Medicine
Dr. Chang graduated from Yale University School of Medicine in 1998.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. David Jin-Woo 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 Dr. David Jin-Woo 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. David Jin-Woo Chang's NPI number?
Dr. David Jin-Woo Chang's NPI number is 1861601791. It was assigned on May 21, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David Jin-Woo Chang?
Dr. David Jin-Woo Chang is a neuroradiologist in Vancouver, Washington. The primary specialty in the NPI Registry is Neuroradiology Physician (taxonomy code 2085N0700X).
Where does Dr. David Jin-Woo Chang practice?
Dr. Chang practices at 2525 Ne 139th Street, Vancouver, WA 98686. Dr. Chang's primary practice is Salmon Creek 1 Clinic in Vancouver, Washington. Dmand AI also links Dr. Chang to 1 ambulatory surgery center.
What is Dr. David Jin-Woo Chang's office phone number?
The practice phone on file for Dr. Chang is (360) 882-2778.
What is Dr. David Jin-Woo Chang's medical license number?
Dr. Chang holds Washington license MD00048065, one of the licenses on file in 3 states.
Which states has Dr. David Jin-Woo Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in Washington, Missouri and Oregon.
What medical group is Dr. David Jin-Woo Chang part of?
Dr. Chang is linked to Vancouver Clinic.
Does Dr. David Jin-Woo Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 13,428 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. David Jin-Woo Chang see?
CMS counts 1,218 Medicare patients who saw Dr. Chang in 2024, with an average age of 73.
What services does Dr. David Jin-Woo Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were medicare temporary code (Q9967), medical supplies or transport (A9585) and medical supplies or transport (A9573).
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Where did Dr. David Jin-Woo Chang go to medical school?
Dr. Chang graduated from Yale University School of Medicine in 1998.
Has Dr. David Jin-Woo Chang received payments from drug or device companies?
CMS Open Payments shows $883 in general payments to Dr. Chang from 2 companies from 2017 to 2019. The largest total came from Stryker Corporation.
How long has Dr. David Jin-Woo Chang been practicing?
Dr. Chang graduated from medical school in 1998, 28 years ago.
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