Dr. Wendy W. Chang, MD

  • Vancouver, WA
  • Neurosurgeon
NPI1942430624PAC ID7113119926
Medicare services, 2024
306
Medicare patients, 2024
209
Part D claims, 2024
40
Hospital affiliations
5
Industry payments
$467
Practice address
200 Ne Mother Joseph Place, Suite 1100, Vancouver, WA 98668
Practice phone
Call (360) 260-9977
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Rebound Surgery Center - Vancouver

Surgery Center - Medicare-Certified · Vancouver, Washington

See all 8 affiliations

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Dr. Wendy W. Chang is a neurosurgeon in Vancouver, Washington

Dr. Chang practices at Rebound Surgery Center - Vancouver in Vancouver, Washington.

Dr. Chang's NPI, 1942430624, was assigned on July 16, 2009. Dr. Chang graduated from Duke University School of Medicine in 2009. Dr. Chang holds Washington license MD60387542.

NPI and contact details
Medicare PAC ID
7113119926
NPI enumeration date
July 16, 2009
NPI status
Active
Accepts Medicare assignment
Yes
Practice phone
(360) 260-9977
Professional email
Get email
Personal email
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Mobile number
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Sex
Female
Estimated age
43
Medical school graduation
2009

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

Dr. Wendy W. Chang practices at Rebound Surgery Center - Vancouver in Vancouver, Washington

Dr. Chang's primary practice is Rebound Surgery Center - Vancouver, at 200 Ne Mother Joseph Place, Suite 1100, Vancouver, WA 98668. The practice phone is (360) 260-9977.

  • Rebound Surgery Center - Vancouver
    200 Ne Mother Joseph Place, Suite 1100, Vancouver, WA 98668Phone(360) 260-9977

Source: Dmand AI Affiliation Data

Dr. Wendy W. Chang is affiliated with 7 sites of care and 1 medical group

Dr. Chang's primary practice is Rebound Surgery Center - Vancouver in Vancouver, Washington. Dr. Chang is also affiliated with PeaceHealth Southwest Medical Center. The medical group on file is Rebound Orthopedics & Neurosurgery. Dmand AI also links Dr. Chang to 4 more hospitals and 1 group practice or clinic, each named with a free account.

See all 8 affiliations for Dr. Chang

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

Dmand AI tracks the EHR system at Dr. Wendy W. Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 7 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Rebound Surgery Center - VancouverAvailable with a free account
+6 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Wendy W. Chang is one of 187 neurosurgeons in Washington

Neurological surgery is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Chang is licensed in Washington.

Specialties and state licenses

  • Neurological surgery, WashingtonPrimaryLicense MD60387542 · taxonomy 207T00000X

Neurosurgeons near Dr. Chang

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

187neurosurgeons in Washington
9neurosurgeons in Vancouver

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

Dr. Wendy W. Chang billed Medicare for 306 services in 2024

CMS data shows 306 Medicare services from Dr. Chang across 7 procedure codes in 2024, for 209 Medicare patients. Medicare paid $39,499 for them.

Medicare services, 2024306
Medicare patients209
Paid by Medicare$39,499
Procedure codes7

Dr. Chang's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 2152024: 24413%
Imaging
2023: 722024: 4439%
Surgery
2023: 242024: 1825%

Where Dr. Chang's Medicare services took place, 2024

  • In an office28894%
  • In a facility186%

Dr. Chang compared with the Washington median for neurosurgeons, 2024

  • Dr. Chang
  • Washington median
Medicare services
306vs 15499% above
Medicare patients
209vs 13258% above
Part D claims
12vs 2756% below

Medians across 156 neurosurgeons 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.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Wendy W. Chang treated 209 Medicare patients in 2024, average age 73

CMS counts 209 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 92 patients. 75% of them have arthritis, and 75% have high blood pressure. 11% are also on Medicaid. Their average risk score is 1.02, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 68, with 53% women.

Medicare patients, 2024209
Average age73
Average risk score1.02
Also on Medicaid11%

Dr. Chang's Medicare patients by age, 2024

Dr. Chang's Medicare patients by sex, 2024

  • Women13364%
  • Men7636%

Chronic conditions among Dr. Chang's Medicare patients, 2024

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol68%
  4. Mood disorders29%
  5. Depression26%
  6. Diabetes26%
  7. Chronic kidney disease25%
  8. Anxiety24%

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 68

Patient panel by sex, all payers

  • Women53%
  • Men46%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Wendy W. Chang wrote 40 Medicare Part D claims in 2024

In 2024, Dr. Chang wrote 40 Medicare Part D claims for 25 patients. 100% of them were for generic drugs. CMS names the drug for 12 of them, across 1 drug with 11 or more claims each, at $372 in total drug cost. In 2023, CMS named 37 claims across 2 drugs.

Part D claims, 202440
Drugs named by CMS1
Total drug cost$372
Part D patients25

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.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 372024: 1268%

Drugs named by CMS: 1 in 2024, 2 in 2023.

See all prescribing by Dr. 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), 2024 data

Dr. Wendy W. Chang ranks in the 70th percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare

Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 40 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Chang, more than 70% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes

Where Dr. Chang ranks in Medicare procedure volume

Laminectomy or laminotomy (partial removal of spine bones)
70th percentile40 procedures
Spinal fusion
50th percentile40 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)

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Dr. Wendy W. Chang received $467 in industry payments from 2017 to 2025

CMS Open Payments shows 8 general payments to Dr. Chang from 5 drug and device companies from 2017 to 2025. Food and beverage make up the largest share, 91% of the total. EMD Serono, Inc. paid the most, $162.

General payments to Dr. Chang by program year, 2017 to 2025

General payments to Dr. Chang by kind, 2017 to 2025

$467in total
  • Food and beverage$42791%
  • Travel and lodging$409%

Companies that paid Dr. Chang the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Chang

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

Dr. Wendy W. Chang graduated from Duke University School of Medicine

Dr. Chang graduated from Duke University School of Medicine in 2009.

  1. Medical schoolDuke University School of Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Wendy W. 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
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)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
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 Dr. Wendy W. 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. Wendy W. Chang's NPI number?

Dr. Wendy W. Chang's NPI number is 1942430624. It was assigned on July 16, 2009, and it is active in the NPI Registry.

What kind of doctor is Dr. Wendy W. Chang?

Dr. Wendy W. Chang is a neurosurgeon in Vancouver, Washington. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Wendy W. Chang practice?

Dr. Chang practices at 200 Ne Mother Joseph Place, Suite 1100, Vancouver, WA 98668. Dr. Chang's primary practice is Rebound Surgery Center - Vancouver in Vancouver, Washington. Dmand AI also links Dr. Chang to 4 hospitals and 1 group practice or clinic.

What is Dr. Wendy W. Chang's office phone number?

The practice phone on file for Dr. Chang is (360) 260-9977.

What is Dr. Wendy W. Chang's medical license number?

Dr. Chang holds Washington license MD60387542.

Which hospitals is Dr. Wendy W. Chang affiliated with?

Dr. Chang is affiliated with PeaceHealth Southwest Medical Center. Dmand AI links Dr. Chang to 4 more hospitals.

What medical group is Dr. Wendy W. Chang part of?

Dr. Chang is linked to Rebound Orthopedics & Neurosurgery.

Does Dr. Wendy W. Chang accept Medicare?

Yes. CMS data shows Dr. Chang billed Medicare for 306 services in 2024, and Dr. Chang accepts Medicare assignment.

How many Medicare patients does Dr. Wendy W. Chang see?

CMS counts 209 Medicare patients who saw Dr. Chang in 2024, with an average age of 73.

What services does Dr. Wendy W. Chang bill to Medicare?

In 2024, Dr. Chang's most billed Medicare services were office visit, new patient (99204), office visit, established patient (99214) and office visit, new patient (99203).

Show 4 more questionsShow fewer questions

Where did Dr. Wendy W. Chang go to medical school?

Dr. Chang graduated from Duke University School of Medicine in 2009.

What drugs does Dr. Wendy W. Chang prescribe most?

In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Gabapentin.

Has Dr. Wendy W. Chang received payments from drug or device companies?

CMS Open Payments shows $467 in general payments to Dr. Chang from 5 companies from 2017 to 2025. The largest total came from EMD Serono, Inc.

How long has Dr. Wendy W. Chang been practicing?

Dr. Chang graduated from medical school in 2009, 17 years ago.

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