Dr. Victor Weichi Chang, MD

  • West Bloomfield, MI
  • Neurosurgeon
NPI1487855185PAC ID8123268752
Medicare services, 2024
235
Medicare patients, 2024
168
Part D claims, 2024
64
Publications
82
Hospital affiliations
5
Practice address
6777 West Maple Road, West Bloomfield, MI 48322
Practice phone
Call (248) 325-1000
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Henry Ford West Bloomfield Hospital

Hospital · West Bloomfield, Michigan

See all 7 affiliations

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Dr. Victor Weichi Chang is a neurosurgeon in West Bloomfield, Michigan

Dr. Chang practices at Henry Ford West Bloomfield Hospital in West Bloomfield, Michigan, part of Henry Ford Health.

Dr. Chang's NPI, 1487855185, was assigned on May 30, 2007. Dr. Chang graduated from University Of Michigan Medical School in 2006. Dr. Chang holds California license A123664.

NPI and contact details
Medicare PAC ID
8123268752
NPI enumeration date
May 30, 2007
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(248) 325-1000
Professional email
Get email
Personal email
Get email
Mobile number
Get number
Sex
Male
Estimated age
46
Medical school graduation
2006

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

Dr. Victor Weichi Chang practices at Henry Ford West Bloomfield Hospital in West Bloomfield, Michigan

Dr. Chang's primary practice is Henry Ford West Bloomfield Hospital, at 6777 West Maple Road, West Bloomfield, MI 48322 in Oakland County. The practice phone is (248) 325-1000.

Source: Dmand AI Affiliation Data

Dr. Victor Weichi Chang is affiliated with 6 sites of care and 1 medical group

Dr. Chang's primary practice is Henry Ford West Bloomfield Hospital in West Bloomfield, Michigan, part of Henry Ford Health. Dr. Chang is also affiliated with Henry Ford Hospital. The medical group on file is Henry Ford Health. Dmand AI also links Dr. Chang to 3 more hospitals and 1 hospital outpatient department, each named with a free account.

See all 7 affiliations for Dr. Chang

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

Dmand AI tracks the EHR system at Dr. Victor Weichi Chang's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 6 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Henry Ford West Bloomfield HospitalAvailable with a free account
+5 more affiliated sitesAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Victor Weichi Chang is one of 256 neurosurgeons in Michigan

Neurological surgery is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Chang is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Chang's licenses on file in 4 states: California, Michigan, Virginia and Ohio.

Specialties and state licenses

  • Neurological surgery, CaliforniaPrimaryLicense A123664 · Since 2012 · taxonomy 207T00000X
  • Michigan licenseLicense 4301088700 · 2014 to 2028
  • Virginia license2012 to 2013
  • Ohio license2011 to 2012

Clinical focus

Dmand AI lists back and neck pain treatment without fusion, craniotomy, lower back pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Chang treats.

Neurosurgeons near Dr. Chang

Counts of neurosurgeons 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. Victor Weichi Chang billed Medicare for 235 services in 2024

CMS data shows 235 Medicare services from Dr. Chang across 8 procedure codes in 2024, for 168 Medicare patients. Medicare paid $52,403 for them. Every service was in a facility, such as a hospital, rather than an office.

Medicare services, 2024235
Medicare patients168
Paid by Medicare$52,403
Procedure codes8

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

  • 2023
  • 2024
Office and hospital visits
2023: 1762024: 176No change
Surgery
2023: 1352024: 5956%

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

  • Dr. Chang
  • Michigan median
Medicare services
235vs 16245% above
Medicare patients
168vs 12238% above
Part D claims
25vs 3324% below

Medians across 219 neurosurgeons in Michigan 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.

See all procedures by Dr. Chang

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other neurosurgeons in Michigan.

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

Dr. Victor Weichi Chang treated 168 Medicare patients in 2024, average age 73

CMS counts 168 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 74 patients. 75% of them have arthritis, and 75% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.43, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 71, with 52% women.

Medicare patients, 2024168
Average age73
Average risk score1.43
Also on Medicaid14%

Dr. Chang's Medicare patients by age, 2024

Dr. Chang's Medicare patients by sex, 2024

  • Women10361%
  • Men6539%

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

  1. Arthritis75%
  2. High blood pressure75%
  3. High cholesterol75%
  4. Mood disorders38%
  5. Anxiety35%
  6. Depression35%
  7. Diabetes34%
  8. Chronic kidney disease32%

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 71

Patient panel by sex, all payers

  • Women52%
  • Men48%

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

Dr. Victor Weichi Chang wrote 64 Medicare Part D claims in 2024

In 2024, Dr. Chang wrote 64 Medicare Part D claims for 43 patients. 100% of them were for generic drugs. CMS names the drug for 25 of them, across 2 drugs with 11 or more claims each, at $143 in total drug cost. In 2023, CMS named 91 claims across 4 drugs.

Part D claims, 202464
Drugs named by CMS2
Total drug cost$143
Part D patients43

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

  • Opioids39%25 of 64 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: 912024: 2573%

Drugs named by CMS: 2 in 2024, 4 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. Victor Weichi Chang ranks in the 91st percentile for spinal fusion in Medicare

Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chang as offering telehealth. CMS counts 213 procedures of spinal fusion by Dr. Chang, more than 91% of the clinicians it reports for that procedure.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Where Dr. Chang ranks in Medicare procedure volume

Spinal fusion
91st percentile213 procedures
Laminectomy or laminotomy (partial removal of spine bones)
83rd percentile61 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. Victor Weichi Chang has 82 publications on record

Dmand AI links 82 papers to Dr. Chang, published from 2013 to 2025. 2019 was the busiest year, with 10. The most frequent topics are Spinal Fusion, Lumbar Vertebrae and Michigan. Dr. Chang has published most often in Neurosurgery. Dr. Chang's most frequent co-authors are Victor Chang, MD, Mohamed Macki, MD and Hesham Mostafa Zakaria, MD.

Papers82
Years published2013 to 2025

Dr. Chang's papers by year, 2016 to 2025

Topics Dr. Chang writes about most

  • Spinal Fusion
  • Lumbar Vertebrae
  • Michigan
  • Postoperative Complications
  • Cervical Vertebrae
  • Diskectomy
  • Neurosurgical Procedures
  • Patient Reported Outcome Measures

Dr. Chang's most frequent co-authors

Recent publications by Dr. Chang

See all 82 publications and co-authors

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 neurosurgeons.

How network discovery works

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

Dr. Victor Weichi Chang received $309,111 in industry payments from 2016 to 2025

CMS Open Payments shows 500 general payments to Dr. Chang from 24 drug and device companies from 2016 to 2025. Speaker and faculty fees make up the largest share, 44% of the total. Globus Medical, Inc. paid the most, $259,605.

General payments to Dr. Chang by program year, 2016 to 2025

General payments to Dr. Chang by kind, 2016 to 2025

$309.1Kin total
  • Speaker and faculty fees$137,00044%
  • Consulting fees$106,46534%
  • Travel and lodging$43,98314%
  • Food and beverage$21,6437%
  • Education$200%

Companies that paid Dr. Chang the most, 2016 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. Victor Weichi Chang has 10 awards and honors on record

Dmand AI lists 10 awards for Dr. Chang, most recently Outstanding Abstract 2nd Place in 2013.

Awards and honors for Dr. Chang

  1. 2013
    • Outstanding Abstract 2nd Place
    • Outstanding Resident Nominee
  2. 2011
    • CNS Spine Fellowship Award
  3. Undated
    • Graduate Scholarship
    • Honors College in Humanities
    • Honors in Biology
See all 10 awards

Source: Dmand AI Professional Profile Data

Dr. Victor Weichi Chang graduated from University Of Michigan Medical School

Dr. Chang graduated from University Of Michigan Medical School in 2006. Dr. Chang is a member of AANS, CNS and NASS.

  1. Medical schoolUniversity Of Michigan Medical School
  2. Board certified in neurological surgeryAmerican Board of Neurological Surgery

Source: Dmand AI Professional Profile Data

Dr. Victor Weichi Chang accepts plans from 10 insurance carriers

Dr. Chang is in network with 10 carriers, including Health Alliance Plan, Priority Health and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

  • Health Alliance Plan
  • Priority Health
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • Molina
  • United Healthcare
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +2 more carriersWith a free account

Plan types Dr. Chang accepts, by number of carriers

  1. Medicare8
  2. HMO6
  3. PPO6
  4. POS5
  5. EPO2
  6. Medicaid2

Source: Dmand AI Insurance Network Data

Sources for Dr. Victor Weichi 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)
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)
Awards and committee rolesDmand AI Professional Profile Data
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network 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. Victor Weichi 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. Victor Weichi Chang's NPI number?

Dr. Victor Weichi Chang's NPI number is 1487855185. It was assigned on May 30, 2007, and it is active in the NPI Registry.

What kind of doctor is Dr. Victor Weichi Chang?

Dr. Victor Weichi Chang is a neurosurgeon in West Bloomfield, Michigan. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).

Where does Dr. Victor Weichi Chang practice?

Dr. Chang practices at 6777 West Maple Road, West Bloomfield, MI 48322. Dr. Chang's primary practice is Henry Ford West Bloomfield Hospital in West Bloomfield, Michigan, part of Henry Ford Health. Dmand AI also links Dr. Chang to 3 hospitals and 1 hospital outpatient department.

What is Dr. Victor Weichi Chang's office phone number?

The practice phone on file for Dr. Chang is (248) 325-1000.

What is Dr. Victor Weichi Chang's medical license number?

Dr. Chang holds California license A123664, one of the licenses on file in 4 states.

Which states has Dr. Victor Weichi Chang been licensed in?

Dmand AI has state licenses on file for Dr. Chang in California (since 2012), Michigan (2014 to 2028), Virginia (2012 to 2013) and Ohio (2011 to 2012).

Which hospitals is Dr. Victor Weichi Chang affiliated with?

Dr. Chang practices at Henry Ford West Bloomfield Hospital in West Bloomfield, Michigan. Dr. Chang is also affiliated with Henry Ford Hospital. Dmand AI links Dr. Chang to 3 more hospitals.

What medical group is Dr. Victor Weichi Chang part of?

Dr. Chang is linked to Henry Ford Health.

Does Dr. Victor Weichi Chang accept Medicare?

Yes. CMS data shows Dr. Chang billed Medicare for 235 services in 2024, and Dr. Chang accepts Medicare assignment.

Does Dr. Victor Weichi Chang offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.

Show 10 more questionsShow fewer questions

How many Medicare patients does Dr. Victor Weichi Chang see?

CMS counts 168 Medicare patients who saw Dr. Chang in 2024, with an average age of 73.

Is Dr. Victor Weichi Chang board certified?

Yes. Dr. Chang is board certified in neurological surgery by the American Board of Neurological Surgery.

What services does Dr. Victor Weichi Chang bill to Medicare?

In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: bones and joints (22853).

Where did Dr. Victor Weichi Chang go to medical school?

Dr. Chang graduated from University Of Michigan Medical School in 2006.

What drugs does Dr. Victor Weichi Chang prescribe most?

In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Hydrocodone-Acetaminophen and Methocarbamol.

Has Dr. Victor Weichi Chang received payments from drug or device companies?

CMS Open Payments shows $309,111 in general payments to Dr. Chang from 24 companies from 2016 to 2025. The largest total came from Globus Medical, Inc.

How long has Dr. Victor Weichi Chang been practicing?

Dr. Chang graduated from medical school in 2006, 20 years ago.

Does Dr. Victor Weichi Chang do research?

Dmand AI links 82 publications to Dr. Chang, published from 2013 to 2025.

Who does Dr. Victor Weichi Chang publish with?

Dr. Chang's most frequent co-authors are Victor Chang, MD (52 shared papers), Mohamed Macki, MD (26 shared papers) and Hesham Mostafa Zakaria, MD (20 shared papers).

What insurance does Dr. Victor Weichi Chang accept?

Dr. Chang is in network with 10 carriers, including Health Alliance Plan, Priority Health and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 8. Check the plan with the practice before a visit.

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