Dr. Hui B. Chang, MD
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 7,824
- Hospital affiliations
- 2
- Industry payments
- $125
- Medical group
- 1
- Practice address
- 10800 Magnolia Avenue, Riverside, CA 92505
- Practice phone
- Call (951) 353-2000
- 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. Hui B. Chang is a family medicine physician in Riverside, California
Dr. Chang practices at Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
Dr. Chang's NPI, 1508914516, was assigned on January 8, 2007. Dr. Chang graduated from Loma Linda University School Of Medicine in 2004. Dr. Chang holds California license A96008.
- NPI
- 1508914516NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608962824
- NPI enumeration date
- January 8, 2007
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (951) 353-2000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 48
- Medical school graduation
- 2004
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Hui B. Chang practices at Riverside Medical Center in Riverside, California
Dr. Chang's primary practice is Riverside Medical Center, at 10800 Magnolia Avenue, Riverside, CA 92505 in Riverside County. The practice phone is (951) 353-2000.
- Riverside Medical Center10800 Magnolia Avenue, Riverside, CA 92505 · Riverside CountyPhone(951) 353-2000
Source: Dmand AI Affiliation Data
Dr. Hui B. Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente. Dr. Chang is also affiliated with Moreno Valley Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Hui B. Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Riverside 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. Hui B. Chang is one of 15,680 family medicine physicians in California
Family medicine is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Chang is board certified in family medicine by the American Board of Family Medicine. Dr. Chang is licensed in California.
Specialties and state licenses
- Family medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists atrial fibrillation and flutter and itchy rashes among the conditions Dr. Chang treats.
Family medicine physicians near Dr. Chang
Counts of family medicine physicians 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. Hui B. Chang treated 12 Medicare patients in 2024, average age 63
CMS counts 12 Medicare patients who saw Dr. Chang in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 0.79, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 51, with 62% women.
Dr. Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
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 51
Patient panel by sex, all payers
- Women62%
- Men38%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Hui B. Chang wrote 7,824 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 7,824 Medicare Part D claims for 989 patients. 88% of them were for generic drugs. CMS names the drug for 7,328 of them, across 101 drugs with 11 or more claims each, at $308,027 in total drug cost. In 2023, CMS named 6,900 claims across 107 drugs.
Dr. Chang's Part D claims by kind of drug, 2024
- Generic6,900 claims88%
- Brand-name772 claims10%
- Other152 claims2%
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
- Opioids3%273 of 7,824 claims
- Antibiotics3%208 of 7,824 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: 6,9002024: 7,3286%
Drugs named by CMS: 101 in 2024, 107 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
Dr. Hui B. 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)
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Dr. Hui B. Chang received $125 in industry payments in 2016
CMS Open Payments shows 1 general payment to Dr. Chang from 1 drug or device company in 2016. Food and beverage make up the largest share, 100% of the total. Grifols Shared Services North America, Inc. paid the most, $125.
Companies that paid Dr. Chang the most, 2016 to 2016
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Hui B. Chang graduated from Loma Linda University School Of Medicine
Dr. Chang graduated from Loma Linda University School Of Medicine in 2004.
- Medical school
- Board certified in family medicine
Source: Dmand AI Professional Profile Data
Dr. Hui B. Chang accepts plans from 2 insurance carriers
Dr. Chang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chang accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. Hui B. 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 DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Hui B. 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. Hui B. Chang's NPI number?
Dr. Hui B. Chang's NPI number is 1508914516. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. Hui B. Chang?
Dr. Hui B. Chang is a family medicine physician in Riverside, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).
Where does Dr. Hui B. Chang practice?
Dr. Chang practices at 10800 Magnolia Avenue, Riverside, CA 92505. Dr. Chang's primary practice is Riverside Medical Center in Riverside, California, part of Kaiser Permanente.
What is Dr. Hui B. Chang's office phone number?
The practice phone on file for Dr. Chang is (951) 353-2000.
What is Dr. Hui B. Chang's medical license number?
Dr. Chang holds California license A96008.
Which hospitals is Dr. Hui B. Chang affiliated with?
Dr. Chang practices at Riverside Medical Center in Riverside, California. Dr. Chang is also affiliated with Moreno Valley Medical Center.
What medical group is Dr. Hui B. Chang part of?
Dr. Chang is linked to Southern California Permanente Medical Group.
Does Dr. Hui B. Chang accept Medicare?
Yes. CMS lists Dr. Chang as accepting Medicare assignment.
Does Dr. Hui B. Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
How many Medicare patients does Dr. Hui B. Chang see?
CMS counts 12 Medicare patients who saw Dr. Chang in 2024, with an average age of 63.
Show 6 more questionsShow fewer questions
Is Dr. Hui B. Chang board certified?
Yes. Dr. Chang is board certified in family medicine by the American Board of Family Medicine.
Where did Dr. Hui B. Chang go to medical school?
Dr. Chang graduated from Loma Linda University School Of Medicine in 2004.
What drugs does Dr. Hui B. Chang prescribe most?
In 2024 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Atorvastatin Calcium, Amlodipine Besylate and Lisinopril.
Has Dr. Hui B. Chang received payments from drug or device companies?
CMS Open Payments shows $125 in general payments to Dr. Chang from 1 company from 2016 to 2016. The largest total came from Grifols Shared Services North America, Inc.
How long has Dr. Hui B. Chang been practicing?
Dr. Chang graduated from medical school in 2004, 22 years ago.
What insurance does Dr. Hui B. Chang accept?
Dr. Chang is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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