Dr. Keon Chang, MD
- Medicare services, 2024
- 303
- Medicare patients, 2024
- 67
- Part D claims, 2024
- 2,459
- Industry payments
- $4,780
- Affiliated sites
- 1
- Practice address
- 1547 S Wayne Rd, Westland, MI 48186
- Practice phone
- Call (734) 729-3133
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Apex Behavioral Health Western Wayne
Behavioral health practice · Westland, Michigan
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. Keon Chang is a psychiatrist in Dearborn, Michigan
Dr. Chang practices at Apex Behavioral Health Western Wayne in Westland, Michigan.
Dr. Chang's NPI, 1669451738, was assigned on January 17, 2006. Dr. Chang holds Michigan license 037628.
- NPI
- 1669451738NPI Registry (opens in a new tab)
- NPI enumeration date
- January 17, 2006
- NPI status
- Active
- Practice phone
- (734) 729-3133
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 82
- Medical school graduation
- 1970
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Keon Chang practices in Westland and Dearborn
Dr. Chang's primary practice is Apex Behavioral Health Western Wayne, at 1547 S Wayne Rd, Westland, MI 48186. The practice phone is (734) 729-3133. The NPI Registry lists Dr. Chang's practice address as 18101 Oakwood Blvd, Dearborn, MI 48124.
- Apex Behavioral Health Western WaynePrimary1547 S Wayne Rd, Westland, MI 48186Phone(734) 729-3133
- NPI Registry address18101 Oakwood Blvd, Dearborn, MI 48124 · Wayne CountyPhone(734) 729-3133
Sources: NPPES NPI Registry (CMS); Dmand AI Affiliation Data; Doctors and Clinicians National Downloadable File (CMS); and Dmand AI Practice Data
Dr. Keon Chang is affiliated with 1 site of care and 1 medical group
Dr. Chang's primary practice is Apex Behavioral Health Western Wayne in Westland, Michigan. The medical group on file is Apex Behavioral Health Western Wayne.
Sources: Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dmand AI tracks the EHR system at Dr. Keon Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Apex Behavioral Health Western Wayne | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Keon Chang is one of 1,337 psychiatrists in Michigan
Psychiatry is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chang is licensed in Michigan.
Specialties and state licenses
- Psychiatry, MichiganPrimary
Psychiatrists near Dr. Chang
Counts of psychiatrists 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. Keon Chang billed Medicare for 303 services in 2024
CMS data shows 303 Medicare services from Dr. Chang across 1 procedure code in 2024, all of them office visits, for 67 Medicare patients. Medicare paid $17,627 for them. Every service was in an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 3372024: 30310%
Dr. Chang compared with the Michigan median for psychiatrists, 2024
- Dr. Chang
- Michigan median
- Medicare services
- 303vs 1472.1 times
- Medicare patients
- 67vs 4840% above
- Part D claims
- 2,402vs 21511.2 times
Medians across 1,367 psychiatrists 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.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Keon Chang treated 67 Medicare patients in 2024, average age 61
CMS counts 67 Medicare patients who saw Dr. Chang in 2024. The largest group is under 65, with 32 patients. 75% of them have mood disorders, and 60% have high blood pressure. 39% are also on Medicaid. Their average risk score is 1.19, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 57, with 67% women.
Dr. Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chang's Medicare patients by sex, 2024
- Women3958%
- Men2842%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- Mood disorders75%
- High blood pressure60%
- Depression58%
- High cholesterol58%
- Arthritis46%
- Anxiety42%
- Bipolar disorder25%
- Diabetes25%
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 57
Patient panel by sex, all payers
- Women67%
- Men33%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Keon Chang wrote 2,459 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 2,459 Medicare Part D claims for 132 patients. 96% of them were for generic drugs. CMS names the drug for 2,402 of them, across 41 drugs with 11 or more claims each, at $145,513 in total drug cost. In 2023, CMS named 2,542 claims across 39 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic2,371 claims96%
- Brand-name88 claims4%
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
- Antipsychotics, patients 65 and over8%202 of 2,459 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: 2,5422024: 2,4026%
Drugs named by CMS: 41 in 2024, 39 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
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Dr. Keon Chang received $4,780 in industry payments from 2016 to 2019
CMS Open Payments shows 338 general payments to Dr. Chang from 17 drug and device companies from 2016 to 2019. Food and beverage make up the largest share, 99% of the total. Sunovion Pharmaceuticals Inc. paid the most, $864.
General payments to Dr. Chang by program year, 2016 to 2019
General payments to Dr. Chang by kind, 2016 to 2019
- Food and beverage$4,73799%
- Education$431%
Companies that paid Dr. Chang the most, 2016 to 2019
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Dr. Keon Chang's profile data
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. Keon 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. Keon Chang's NPI number?
Dr. Keon Chang's NPI number is 1669451738. It was assigned on January 17, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Keon Chang?
Dr. Keon Chang is a psychiatrist in Dearborn, Michigan. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Keon Chang practice?
Dr. Chang practices at 1547 S Wayne Rd, Westland, MI 48186. Dr. Chang also practices at 18101 Oakwood Blvd, Dearborn, MI 48124. Dr. Chang's primary practice is Apex Behavioral Health Western Wayne in Westland, Michigan.
What is Dr. Keon Chang's office phone number?
The practice phone on file for Dr. Chang is (734) 729-3133.
What is Dr. Keon Chang's medical license number?
Dr. Chang holds Michigan license 037628.
What medical group is Dr. Keon Chang part of?
Dr. Chang is linked to Apex Behavioral Health Western Wayne.
Does Dr. Keon Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 303 services in 2024.
How many Medicare patients does Dr. Keon Chang see?
CMS counts 67 Medicare patients who saw Dr. Chang in 2024, with an average age of 61.
What services does Dr. Keon Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were office visit, established patient (99213).
What drugs does Dr. Keon Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Sertraline HCl, Trazodone HCl and Quetiapine Fumarate.
Has Dr. Keon Chang received payments from drug or device companies?
CMS Open Payments shows $4,780 in general payments to Dr. Chang from 17 companies from 2016 to 2019. The largest total came from Sunovion Pharmaceuticals Inc.
How long has Dr. Keon Chang been practicing?
Dr. Chang graduated from medical school in 1970, 56 years ago.
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