Keon Chang, M.D.
Psychiatry Physician · Westland, MI
Keon Chang, M.D. is a psychiatry physician with a practice address in Westland, Michigan, and NPI 1669451738, issued on Jan 17, 2006. Check the license (Michigan 037628, as entered in NPPES) on the Michigan Board of Medicine (LARA); the Medicare figures below come from public CMS files.
- Name
- Keon Chang
- Credential
- M.D.
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License numbers
- 037628 MI
4301037628 MI
Self-reported in NPPES; status is on the state search - Practice location
- 2001 S Merriman RD, Westland, MI 48186
- Phone
- (734) 729-3133
- Enumerated
- Jan 17, 2006
- Record last updated
- Oct 21, 2009 (not updated in 17 years: call before relying on the address or phone)
- Medicaid ID
- 2884620 10 MI
- Medicare enrollment
- Enrolled (PECOS I20080822000587); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 1,729 in Michigan → Look up another NPI →
Also registered at 2001 S Merriman RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Rachal Chehouri, DOFamily Medicine Physician1407603186
Verify Keon Chang in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMichigan Board of Medicine (LARA)
Search for license 037628Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.5 times the Medicare Part D claims of the average psychiatry physician in 2024
2,459 Medicare Part D claims for 132 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D. Brand-name drugs were 4% of claims.
Most prescribed
- Sertraline Hcl215 claims
- Trazodone Hcl201 claims
- Quetiapine Fumarate191 claims
- Lorazepam161 claims
- Alprazolam149 claims
- Zolpidem Tartrate136 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Apex Behavioral Health Western WayneWestland, MI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Keon Chang among 1,729 psychiatry physician records in Michigan
Keon Chang, M.D. is one of 1,729 psychiatry physician records with a practice address in Michigan. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 4% of them.
- NPI issued2006 · 4% of these records are older, 63% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileYes · 48% of these records are
- Graduated1970 · median 2005 among the 828 with a school on file
- Record last updated2009 · 50% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Michigan practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
23 psychiatry physician records list a practice address in Westland
They are 23 of the 1,154 NPPES records with a practice address in Westland, and 1,729 psychiatry physician records in Michigan.
All 1,729 in Michigan → Every provider in Westland → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Syed Ahmad, MDWestland, MI 481861689694945
- Aruna Bavineni, MDWestland, MI 481861194891663
- Himaja Gummadi, MDWestland, MI 481861265458624
- Ahmadul Hasan, MDWestland, MI 481861861412132
- Rownak Hasan, MDWestland, MI 481861497761019
- Mohammad Irfan, MDWestland, MI 481861568482503
- Farida Khan, MDWestland, MI 481861588684526
- Venkata Lingam, MDWestland, MI 481861518985266
Common questions
What is Keon Chang, M.D.'s NPI number?
Keon Chang, M.D.'s National Provider Identifier (NPI) is 1669451738, issued on Jan 17, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Keon Chang, M.D. located?
The NPPES record lists a practice address at 2001 S Merriman RD, Westland, MI, 48186. Phone: (734) 729-3133. Providers update this record themselves, so call before visiting.
How can I verify Keon Chang, M.D.'s license?
NPPES lists Michigan license number 037628, as entered by the provider. Search the Michigan Board of Medicine (LARA) at https://aca-prod.accela.com/MILARA/GeneralProperty/PropertyLookUp.aspx?isLicensee=Y&TabName=APO. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Keon Chang, M.D. prescribe under Medicare Part D?
In 2024, Keon Chang, M.D. had 2,459 Medicare Part D claims for 132 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.