Dr. Michael Chang, DO
- Part D claims, 2024
- 46
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2021
- Practice address
- 4760 W Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Southern California Permanente Medical Group
Los Angeles, 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 Chang is an internist in Los Angeles, California
Dr. Chang practices at Southern California Permanente Medical Group in Los Angeles, California.
Dr. Chang's NPI, 1639751381, was assigned on April 22, 2021. Dr. Chang graduated from Rocky Vista University - Parker in 2021. Dr. Chang's California license number on file is 20A21346.
- NPI
- 1639751381NPI Registry (opens in a new tab)
- NPI enumeration date
- April 22, 2021
- NPI status
- Active
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Medical school graduation
- 2021
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Dr. Michael Chang practices at Southern California Permanente Medical Group in Los Angeles, California
Dr. Chang's primary practice is Southern California Permanente Medical Group, at 4760 W Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Southern California Permanente Medical Group4760 W Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Michael Chang is affiliated with 1 site of care and 1 medical group
Dr. Chang's primary practice is Southern California Permanente Medical Group in Los Angeles, California. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Michael 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 |
|---|---|
| Southern California Permanente Medical Group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Michael Chang is one of 16,751 internists in California
Internal medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Chang is board certified in internal medicine by the American Board of Internal Medicine. Dr. Chang has a license on file in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Dr. Chang
Counts of internists 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 Chang's patients have a median age of 67
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 67, with 31% 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 67
Patient panel by sex, all payers
- Women31%
- Men69%
Source: Dmand AI Patient Panel Data
Dr. Michael Chang wrote 46 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 46 Medicare Part D claims for 25 patients. 85% of them were for generic drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic39 claims85%
- Brand-name and other7 claims15%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
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Dr. Michael Chang graduated from Rocky Vista University - Parker
Dr. Chang graduated from Rocky Vista University - Parker in 2021.
- Medical school
- Board certified in internal medicine
- Board certified in otolaryngology
Source: Dmand AI Professional Profile Data
Sources for Dr. Michael 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 Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| Part D prescribing | Medicare Part D Prescribers - by Provider (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 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 Chang's NPI number?
Dr. Michael Chang's NPI number is 1639751381. It was assigned on April 22, 2021, and it is active in the NPI Registry.
What kind of doctor is Dr. Michael Chang?
Dr. Michael Chang is an internist in Los Angeles, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. Michael Chang practice?
Dr. Chang practices at 4760 W Sunset Blvd, Los Angeles, CA 90027. Dr. Chang's primary practice is Southern California Permanente Medical Group in Los Angeles, California.
What is Dr. Michael Chang's office phone number?
The practice phone on file for Dr. Chang is (323) 783-4011.
What is Dr. Michael Chang's medical license number?
Dr. Chang's California license number on file is 20A21346.
What medical group is Dr. Michael Chang part of?
Dr. Chang is linked to Southern California Permanente Medical Group.
Is Dr. Michael Chang board certified?
Yes. Dr. Chang is board certified in internal medicine by the American Board of Internal Medicine.
Where did Dr. Michael Chang go to medical school?
Dr. Chang graduated from Rocky Vista University - Parker in 2021.
How long has Dr. Michael Chang been practicing?
Dr. Chang graduated from medical school in 2021, 5 years ago.
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