Gabriel Chang
- Medicare services, 2024
- 238
- Medicare patients, 2024
- 180
- Part D claims, 2024
- 431
- MIPS score, 2024
- 97
- Hospital affiliations
- 1
- Practice address
- 2101 N Waterman Ave, San Bernardino, CA 92404
- Practice phone
- Call (909) 883-8711
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Find Gabriel 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.
Gabriel Chang is a physician assistant in San Bernardino, California
Gabriel Chang practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health.
Gabriel Chang's NPI, 1346859535, was assigned on July 23, 2020. Gabriel Chang holds California license 58575.
- NPI
- 1346859535NPI Registry (opens in a new tab)
- NPI enumeration date
- July 23, 2020
- NPI status
- Active
- Practice phone
- (909) 883-8711
- 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 Affiliation Data
Gabriel Chang practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California
Gabriel Chang's primary practice is Dignity Health - St. Bernardine Medical Center, at 2101 N Waterman Ave, San Bernardino, CA 92404 in San Bernardino County. The practice phone is (909) 883-8711.
- Dignity Health - St. Bernardine Medical Center2101 N Waterman Ave, San Bernardino, CA 92404 · San Bernardino CountyPhone(909) 883-8711
Source: Dmand AI Affiliation Data
Gabriel Chang is affiliated with 2 sites of care and 2 medical groups
Gabriel Chang's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. The medical group on file is Vituity. Dmand AI also links Gabriel Chang to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Gabriel Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Gabriel Chang practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Dignity Health - St. Bernardine Medical Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Gabriel Chang is one of 11,482 physician assistants in California
Physician assistant is Gabriel Chang's primary specialty in the NPI Registry, under taxonomy code 363A00000X. Gabriel Chang is licensed in California.
Specialties and state licenses
- Physician assistant, CaliforniaPrimary
Physician assistants near Gabriel Chang
Counts of physician assistants 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
Gabriel Chang billed Medicare for 238 services in 2024
CMS data shows 238 Medicare services from Gabriel Chang across 4 procedure codes in 2024, for 180 Medicare patients. Medicare paid $19,198 for them. Every service was in a facility, such as a hospital, rather than an office.
Gabriel Chang's Medicare services by type, 2024
- Office and hospital visits181
- Imaging39
- Tests and treatments18
Gabriel Chang compared with the California median for physician assistants, 2024
- Gabriel Chang
- California median
- Medicare services
- 238vs 20417% above
- Medicare patients
- 180vs 10571% above
- Part D claims
- 290vs 24319% above
Medians across 7,065 physician assistants in California with Dmand AI profiles that report each measure.
Gabriel Chang's most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Gabriel Chang treated 180 Medicare patients in 2024, average age 67
CMS counts 180 Medicare patients who saw Gabriel Chang in 2024. The largest group is 65 to 74, with 89 patients. 75% of them have high blood pressure, and 65% have high cholesterol. 77% are also on Medicaid. Their average risk score is 2.23, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Gabriel Chang's median patient age at 42, with 55% women.
Gabriel Chang's Medicare patients by age, 2024
Gabriel Chang's Medicare patients by sex, 2024
- Women8044%
- Men10056%
Chronic conditions among Gabriel Chang's Medicare patients, 2024
- High blood pressure75%
- High cholesterol65%
- Arthritis42%
- Diabetes41%
- Tobacco use37%
- Chronic kidney disease36%
- Heart failure34%
- Alcohol and drug use disorders31%
Share of Medicare patients with each condition. A patient can have several.
Gabriel 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 42
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Gabriel Chang wrote 431 Medicare Part D claims in 2024
In 2024, Gabriel Chang wrote 431 Medicare Part D claims for 253 patients. 93% of them were for generic drugs. CMS names the drug for 290 of them, across 11 drugs with 11 or more claims each, at $2,289 in total drug cost.
Gabriel Chang's Part D claims by kind of drug, 2024
- Generic402 claims93%
- Brand-name29 claims7%
Gabriel 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 Gabriel Chang's Part D claims, 2024
- Antibiotics26%114 of 431 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
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
Gabriel Chang scored 97 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 97 out of 100 for Gabriel Chang for performance year 2024, reported as part of a group.
Gabriel Chang's MIPS scores, performance year 2024
- 97of 100Final score
- 90of 100Quality
- 40of 100Improvement Activities
- 78of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Source: Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Gabriel Chang received $22 in industry payments in 2025
CMS Open Payments shows 1 general payment to Gabriel Chang from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. Fisher & Paykel Healthcare Inc paid the most, $22.
Companies that paid Gabriel Chang the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sources for Gabriel 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 services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| 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 | Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| 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 Gabriel 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 Gabriel Chang's NPI number?
Gabriel Chang's NPI number is 1346859535. It was assigned on July 23, 2020, and it is active in the NPI Registry.
What does Gabriel Chang specialize in?
Gabriel Chang is a physician assistant in San Bernardino, California. The primary specialty in the NPI Registry is Physician Assistant (taxonomy code 363A00000X).
Where does Gabriel Chang practice?
Gabriel Chang practices at 2101 N Waterman Ave, San Bernardino, CA 92404. Gabriel Chang's primary practice is Dignity Health - St. Bernardine Medical Center in San Bernardino, California, part of CommonSpirit Health. Dmand AI also links Gabriel Chang to 1 group practice or clinic and 1 medical group.
What is Gabriel Chang's office phone number?
The practice phone on file for Gabriel Chang is (909) 883-8711.
What is Gabriel Chang's medical license number?
Gabriel Chang holds California license 58575.
Which hospitals is Gabriel Chang affiliated with?
Gabriel Chang practices at Dignity Health - St. Bernardine Medical Center in San Bernardino, California.
What medical group is Gabriel Chang part of?
Gabriel Chang is linked to Vituity. Dmand AI links Gabriel Chang to 1 more medical group.
Does Gabriel Chang accept Medicare?
Yes. CMS data shows Gabriel Chang billed Medicare for 238 services in 2024.
What is Gabriel Chang's MIPS score?
Gabriel Chang's MIPS final score for performance year 2024 is 97 out of 100, reported as part of a group.
How many Medicare patients does Gabriel Chang see?
CMS counts 180 Medicare patients who saw Gabriel Chang in 2024, with an average age of 67.
Show 4 more questionsShow fewer questions
What services does Gabriel Chang bill to Medicare?
In 2024, Gabriel Chang's most billed Medicare services were emergency department visit (99285), emergency department visit (99284) and diagnostic imaging (71045).
What drugs does Gabriel Chang prescribe most?
In 2024 Medicare Part D data, Gabriel Chang's most prescribed drugs by claims were Ibuprofen, Cephalexin and Cefdinir.
Has Gabriel Chang received payments from drug or device companies?
CMS Open Payments shows $22 in general payments to Gabriel Chang from 1 company from 2025 to 2025. The largest total came from Fisher & Paykel Healthcare Inc.
How long has Gabriel Chang been practicing?
Gabriel Chang graduated from medical school in 2020, 6 years ago.
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