Dr. Rachel Si-Wen Chang, MD
- Hospital affiliations
- 3
- Medical group
- 1
- State license
- 1
- Year NPI issued
- 2022
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
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. Rachel Si-Wen Chang is an internist in Los Angeles, California
Dr. Chang practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Dr. Chang's NPI, 1891435939, was assigned on March 29, 2022. Dr. Chang graduated from Vanderbilt University School of Medicine in 2022. Dr. Chang holds California license A187604.
- NPI
- 1891435939NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0446621650
- NPI enumeration date
- March 29, 2022
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 30
- Medical school graduation
- 2022
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel Si-Wen Chang practices at Keck Hospital of USC in Los Angeles, California
Dr. Chang's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Dr. Rachel Si-Wen Chang is affiliated with 8 sites of care and 1 medical group
Dr. Chang's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. Chang is also affiliated with Los Angeles General Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Chang to 1 more hospital, 2 home health agencies, 1 group practice or clinic, 1 other site and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Rachel Si-Wen Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Southern California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Rachel Si-Wen 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 licensed 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. Rachel Si-Wen Chang's patients have a median age of 52
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 52, with 66% 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 52
Patient panel by sex, all payers
- Women66%
- Men33%
Source: Dmand AI Patient Panel Data
Dr. Rachel Si-Wen Chang offers telehealth to Medicare patients
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
Dr. Rachel Si-Wen Chang graduated from Vanderbilt University School of Medicine
Dr. Chang graduated from Vanderbilt University School of Medicine in 2022.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Rachel Si-Wen 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 | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation DataDmand AI Org Hierarchy Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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. Rachel Si-Wen 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. Rachel Si-Wen Chang's NPI number?
Dr. Rachel Si-Wen Chang's NPI number is 1891435939. It was assigned on March 29, 2022, and it is active in the NPI Registry.
What kind of doctor is Dr. Rachel Si-Wen Chang?
Dr. Rachel Si-Wen 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. Rachel Si-Wen Chang practice?
Dr. Chang practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Chang's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Chang to 1 hospital, 2 home health agencies, 1 group practice or clinic, 1 other site and 1 urgent care center.
What is Dr. Rachel Si-Wen Chang's office phone number?
The practice phone on file for Dr. Chang is (323) 442-8656.
What is Dr. Rachel Si-Wen Chang's medical license number?
Dr. Chang holds California license A187604.
Which hospitals is Dr. Rachel Si-Wen Chang affiliated with?
Dr. Chang practices at Keck Hospital of USC in Los Angeles, California. Dr. Chang is also affiliated with Los Angeles General Medical Center. Dmand AI links Dr. Chang to 1 more hospital.
What medical group is Dr. Rachel Si-Wen Chang part of?
Dr. Chang is linked to USC Care Medical Group.
Does Dr. Rachel Si-Wen Chang accept Medicare?
Yes. CMS lists Dr. Chang as accepting Medicare assignment.
Does Dr. Rachel Si-Wen Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
Where did Dr. Rachel Si-Wen Chang go to medical school?
Dr. Chang graduated from Vanderbilt University School of Medicine in 2022.
How long has Dr. Rachel Si-Wen Chang been practicing?
Dr. Chang graduated from medical school in 2022, 4 years ago.
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