Benjamin Chang
- Part D claims, 2024
- 110
- Industry payments
- $110
- Affiliated sites
- 1
- Medical group
- 1
- Insurance carriers
- 4
- Practice address
- 9961 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-3910
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Fontana Medical Center
Fontana, California
Find Benjamin 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.
Benjamin Chang is a psychiatrist in Fontana, California
Benjamin Chang practices at Fontana Medical Center in Fontana, California.
Benjamin Chang's NPI, 1184251365, was assigned on March 26, 2020. Benjamin Chang graduated from Paul L. Foster School of Medicine in 2020. Benjamin Chang holds California license A177776.
- NPI
- 1184251365NPI Registry (opens in a new tab)
- NPI enumeration date
- March 26, 2020
- NPI status
- Active
- Practice phone
- (909) 427-3910
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Practice Data
Benjamin Chang practices at Fontana Medical Center in Fontana, California
Benjamin Chang's primary practice is Fontana Medical Center, at 9961 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-3910.
- Fontana Medical Center9961 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-3910
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Benjamin Chang is affiliated with 2 sites of care and 1 medical group
Benjamin Chang's primary practice is Fontana Medical Center in Fontana, California. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Benjamin Chang to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Benjamin Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Benjamin Chang practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Fontana 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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Benjamin Chang is one of 6,803 psychiatrists in California
Psychiatry is Benjamin Chang's primary specialty in the NPI Registry, under taxonomy code 2084P0800X. Benjamin Chang is board certified in psychiatry by the American Board of Psychiatry and Neurology. Benjamin Chang is licensed in California.
Specialties and state licenses
- Psychiatry, CaliforniaPrimary
Psychiatrists near Benjamin 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
Benjamin Chang's patients have a median age of 35
Across all payers, Dmand AI patient panel data puts Benjamin Chang's median patient age at 35, with 63% women.
Benjamin 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 35
Patient panel by sex, all payers
- Women63%
- Men36%
Source: Dmand AI Patient Panel Data
Benjamin Chang wrote 110 Medicare Part D claims in 2024
In 2024, Benjamin Chang wrote 110 Medicare Part D claims for 19 patients. 98% of them were for generic drugs. CMS names the drug for 70 of them, across 4 drugs with 11 or more claims each, at $808 in total drug cost. In 2023, CMS named 31 claims across 2 drugs.
Benjamin Chang's Part D claims by kind of drug, 2024
- Generic108 claims98%
- Brand-name and other2 claims2%
Benjamin 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 312024: 70126%
Drugs named by CMS: 4 in 2024, 2 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
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Benjamin Chang received $110 in industry payments in 2024
CMS Open Payments shows 1 general payment to Benjamin Chang from 1 drug or device company in 2024. Food and beverage make up the largest share, 100% of the total. Alkermes, Inc. paid the most, $110.
Companies that paid Benjamin Chang the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Benjamin Chang graduated from Paul L. Foster School of Medicine
Benjamin Chang graduated from Paul L. Foster School of Medicine in 2020.
- Medical school
- Board certified in psychiatry
Source: Dmand AI Professional Profile Data
Benjamin Chang accepts plans from 4 insurance carriers
Benjamin Chang is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- Kaiser Permanente
- Regence Health Plans
Plan types Benjamin Chang accepts, by number of carriers
- HMO3
- Medicare3
- POS3
- PPO3
- EPO1
Source: Dmand AI Insurance Network Data
Sources for Benjamin 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 and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (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 Benjamin 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 Benjamin Chang's NPI number?
Benjamin Chang's NPI number is 1184251365. It was assigned on March 26, 2020, and it is active in the NPI Registry.
What does Benjamin Chang specialize in?
Benjamin Chang is a psychiatrist in Fontana, California. The primary specialty in the NPI Registry is Psychiatry Physician (taxonomy code 2084P0800X).
Where does Benjamin Chang practice?
Benjamin Chang practices at 9961 Sierra Ave, Fontana, CA 92335. Benjamin Chang's primary practice is Fontana Medical Center in Fontana, California. Dmand AI also links Benjamin Chang to 1 group practice or clinic.
What is Benjamin Chang's office phone number?
The practice phone on file for Benjamin Chang is (909) 427-3910.
What is Benjamin Chang's medical license number?
Benjamin Chang holds California license A177776.
What medical group is Benjamin Chang part of?
Benjamin Chang is linked to Southern California Permanente Medical Group.
Is Benjamin Chang board certified?
Yes. Benjamin Chang is board certified in psychiatry by the American Board of Psychiatry and Neurology.
Where did Benjamin Chang go to medical school?
Benjamin Chang graduated from Paul L. Foster School of Medicine in 2020.
What drugs does Benjamin Chang prescribe most?
In 2024 Medicare Part D data, Benjamin Chang's most prescribed drugs by claims were Trazodone HCl, Hydroxyzine HCl and Mirtazapine.
Has Benjamin Chang received payments from drug or device companies?
CMS Open Payments shows $110 in general payments to Benjamin Chang from 1 company from 2024 to 2024. The largest total came from Alkermes, Inc.
How long has Benjamin Chang been practicing?
Benjamin Chang graduated from medical school in 2020, 6 years ago.
What insurance does Benjamin Chang accept?
Benjamin Chang is in network with 4 carriers, including Aetna, Blue Cross Blue Shield of Michigan and Kaiser Permanente. HMO plans come from the most carriers, 3. Check the plan with the practice before a visit.
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