Dr. Michael M. Chang, MD
- Part D claims, 2022
- 58
- Industry payments
- $652
- Affiliated sites
- 1
- Medical group
- 1
- State licenses
- 3
- Practice address
- 26520 Cactus Ave, Moreno Valley, CA 92555
- Practice phone
- Call (951) 486-4458
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Riverside University Medical Center
Moreno Valley, California
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. Michael M. Chang is a psychiatrist in Moreno Valley, California
Dr. Chang practices at Riverside University Medical Center in Moreno Valley, California.
Dr. Chang's NPI, 1467553073, was assigned on September 26, 2006. Dr. Chang graduated from Yale School of Medicine in 1979. Dr. Chang's California license number on file is G43166.
- NPI
- 1467553073NPI Registry (opens in a new tab)
- NPI enumeration date
- September 26, 2006
- NPI status
- Active
- Practice phone
- (951) 486-4458
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 1979
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael M. Chang practices at Riverside University Medical Center in Moreno Valley, California
Dr. Chang's primary practice is Riverside University Medical Center, at 26520 Cactus Ave, Moreno Valley, CA 92555 in Riverside County. The practice phone is (951) 486-4458.
- Riverside University Medical Center26520 Cactus Ave, Moreno Valley, CA 92555 · Riverside CountyPhone(951) 486-4458
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael M. Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Riverside University Medical Center in Moreno Valley, California. The medical group on file is Indio Community Health Center. Dmand AI also links Dr. Chang to 1 more community health center, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Michael M. 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 |
|---|---|
| Riverside University Medical Center | 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. Michael M. Chang is one of 6,803 psychiatrists in California
Psychiatry is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Dr. Chang is board certified in psychiatry by the American Board of Psychiatry and Neurology. Dmand AI has Dr. Chang's licenses on file in 3 states: California, Hawaii and Georgia.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
- Hawaii license
- Georgia license
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. Michael M. Chang's patients have a median age of 49
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 49, with 100% women.
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 49
Patient panel by sex, all payers
- Women100%
- Men0%
Source: Dmand AI Patient Panel Data
Dr. Michael M. Chang wrote 58 Medicare Part D claims in 2022
In 2022, Dr. Chang wrote 58 Medicare Part D claims. They cover 3 drugs, with $146,733 in total drug cost. In 2021, CMS named 684 claims across 23 drugs.
Dr. Chang's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 6842022: 5892%
Drugs named by CMS: 3 in 2022, 23 in 2021.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
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Dr. Michael M. Chang received $652 in industry payments from 2017 to 2021
CMS Open Payments shows 33 general payments to Dr. Chang from 6 drug and device companies from 2017 to 2021. Food and beverage make up the largest share, 100% of the total. Otsuka America Pharmaceutical, Inc. paid the most, $260.
General payments to Dr. Chang by program year, 2017 to 2021
Companies that paid Dr. Chang the most, 2017 to 2021
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Michael M. Chang graduated from Yale School of Medicine
Dr. Chang graduated from Yale School of Medicine in 1979.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael M. 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (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. Michael M. 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. Michael M. Chang's NPI number?
Dr. Michael M. Chang's NPI number is 1467553073. It was assigned on September 26, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael M. Chang?
Dr. Michael M. Chang is a psychiatrist in Moreno Valley, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Dr. Michael M. Chang practice?
Dr. Chang practices at 26520 Cactus Ave, Moreno Valley, CA 92555. Dr. Chang's primary practice is Riverside University Medical Center in Moreno Valley, California. Dmand AI also links Dr. Chang to 1 community health center.
What is Dr. Michael M. Chang's office phone number?
The practice phone on file for Dr. Chang is (951) 486-4458.
What is Dr. Michael M. Chang's medical license number?
Dr. Chang's California license number on file is G43166, one of the licenses on file in 3 states.
Which states has Dr. Michael M. Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (1980 to 2024), Hawaii (1989 to 2020) and Georgia (2005 to 2009).
What medical group is Dr. Michael M. Chang part of?
Dr. Chang is linked to Indio Community Health Center.
Is Dr. Michael M. Chang board certified?
Yes. Dr. Chang is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Dr. Michael M. Chang go to medical school?
Dr. Chang graduated from Yale School of Medicine in 1979.
What drugs does Dr. Michael M. Chang prescribe most?
In 2022 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Invega Sustenna, Rexulti and Abilify Maintena.
Has Dr. Michael M. Chang received payments from drug or device companies?
CMS Open Payments shows $652 in general payments to Dr. Chang from 6 companies from 2017 to 2021. The largest total came from Otsuka America Pharmaceutical, Inc.
How long has Dr. Michael M. Chang been practicing?
Dr. Chang graduated from medical school in 1979, 47 years ago.
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