Juliana Chang
- Medicare services, 2023
- 27
- Medicare patients, 2024
- 12
- Part D claims, 2024
- 1,796
- Hospital affiliations
- 1
- Industry payments
- $5,844
- Practice address
- 9400 Rosecrans Avenue, Bellflower, CA 90706
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD
Acute Care Hospital outpatient department · Bellflower, California
Find Juliana 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.
Juliana Chang is a rheumatologist in Bellflower, California
Juliana Chang practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California.
Juliana Chang's NPI, 1801239009, was assigned on April 8, 2013. Juliana Chang graduated from University of California, Davis, School of Medicine in 2015. Juliana Chang holds California license A146090.
- NPI
- 1801239009NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8820360951
- NPI enumeration date
- April 8, 2013
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Juliana Chang practices at Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California
Juliana Chang's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD, at 9400 Rosecrans Avenue, Bellflower, CA 90706.
- Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD9400 Rosecrans Avenue, Bellflower, CA 90706
Source: Dmand AI Affiliation Data
Juliana Chang is affiliated with 3 sites of care and 1 medical group
Juliana Chang's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Juliana Chang is also affiliated with Downey Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Juliana Chang to 1 more breast imaging center, named with a free account. Juliana Chang's employer is on file too: a hospital.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Juliana Chang's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Juliana Chang practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Juliana Chang is one of 821 rheumatologists in California
Rheumatology is Juliana Chang's primary specialty in the NPI Registry, under taxonomy code 207RR0500X. Juliana Chang is board certified in internal medicine by the American Board of Internal Medicine. Juliana Chang is licensed in California.
Specialties and state licenses
- Rheumatology, CaliforniaPrimary
Clinical focus
Dmand AI lists rheumatoid arthritis among the conditions Juliana Chang treats.
Rheumatologists near Juliana Chang
Counts of rheumatologists 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
Juliana Chang billed Medicare for 27 services in 2023
CMS data shows 27 Medicare services from Juliana Chang across 1 procedure code in 2023, all of them office visits, for 12 Medicare patients. Medicare paid $2,346 for them. Every service was in an office.
Juliana Chang compared with the California median for rheumatologists, 2023
- Juliana Chang
- California median
- Medicare services
- 27vs 90097% below
- Medicare patients
- 12vs 21694% below
- Part D claims
- 1,607vs 96267% above
Medians across 773 rheumatologists in California with Dmand AI profiles that report each measure.
Juliana Chang's most billed Medicare procedure codes, 2023
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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Medicare shows one payer. Book a meeting to get commercial claims data for Juliana Chang and other rheumatologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Juliana Chang treated 12 Medicare patients in 2024, average age 64
CMS counts 12 Medicare patients who saw Juliana Chang in 2024. The largest group is 85 and over, with 0 patients. Their average risk score is 2.21, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Juliana Chang's median patient age at 56, with 77% women.
Juliana Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Juliana 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 56
Patient panel by sex, all payers
- Women77%
- Men22%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Juliana Chang wrote 1,796 Medicare Part D claims in 2024
In 2024, Juliana Chang wrote 1,796 Medicare Part D claims for 410 patients. 75% of them were for generic drugs. CMS names the drug for 1,607 of them, across 24 drugs with 11 or more claims each, at $838,537 in total drug cost. In 2023, CMS named 1,757 claims across 30 drugs.
Juliana Chang's Part D claims by kind of drug, 2024
- Generic1,342 claims75%
- Brand-name and other454 claims25%
Juliana 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 Juliana Chang's Part D claims, 2024
- Opioids1%15 of 1,796 claims
- Antibiotics1%20 of 1,796 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: 1,7572024: 1,6079%
Drugs named by CMS: 24 in 2024, 30 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
Juliana Chang offers telehealth to Medicare patients
Juliana Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Juliana Chang as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Juliana Chang received $5,844 in industry payments from 2019 to 2024
CMS Open Payments shows 12 general payments to Juliana Chang from 4 drug and device companies from 2019 to 2024. Consulting fees make up the largest share, 74% of the total. Amgen Inc. paid the most, $5,525.
General payments to Juliana Chang by program year, 2019 to 2024
General payments to Juliana Chang by kind, 2019 to 2024
- Consulting fees$4,30074%
- Travel and lodging$1,05018%
- Food and beverage$4948%
Companies that paid Juliana Chang the most, 2019 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Juliana Chang graduated from University of California, Davis, School of Medicine
Juliana Chang graduated from University of California, Davis, School of Medicine in 2015.
- Medical school
- Board certified in internal medicine
- Board certified in rheumatology
Source: Dmand AI Professional Profile Data
Juliana Chang accepts plans from 2 insurance carriers
Juliana 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 Juliana Chang accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Juliana 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 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 | 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 Juliana 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 Juliana Chang's NPI number?
Juliana Chang's NPI number is 1801239009. It was assigned on April 8, 2013, and it is active in the NPI Registry.
What does Juliana Chang specialize in?
Juliana Chang is a rheumatologist in Bellflower, California. The primary specialty in the NPI Registry is Rheumatology Physician (taxonomy code 207RR0500X).
Where does Juliana Chang practice?
Juliana Chang practices at 9400 Rosecrans Avenue, Bellflower, CA 90706. Juliana Chang's primary practice is Kaiser Permanente Medical Group Bellflower Medical Offices - HOPD in Bellflower, California. Dmand AI also links Juliana Chang to 1 breast imaging center.
What is Juliana Chang's medical license number?
Juliana Chang holds California license A146090.
Which hospitals is Juliana Chang affiliated with?
Juliana Chang is affiliated with Downey Medical Center.
What medical group is Juliana Chang part of?
Juliana Chang is linked to Southern California Permanente Medical Group.
Does Juliana Chang accept Medicare?
Yes. CMS data shows Juliana Chang billed Medicare for 27 services in 2023, and Juliana Chang accepts Medicare assignment.
Does Juliana Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Juliana Chang as offering telehealth services.
How many Medicare patients does Juliana Chang see?
CMS counts 12 Medicare patients who saw Juliana Chang in 2024, with an average age of 64.
Is Juliana Chang board certified?
Yes. Juliana Chang is board certified in internal medicine by the American Board of Internal Medicine.
Show 6 more questionsShow fewer questions
What services does Juliana Chang bill to Medicare?
In 2023, Juliana Chang's most billed Medicare services were office visit, established patient (99214).
Where did Juliana Chang go to medical school?
Juliana Chang graduated from University of California, Davis, School of Medicine in 2015.
What drugs does Juliana Chang prescribe most?
In 2024 Medicare Part D data, Juliana Chang's most prescribed drugs by claims were Methotrexate, Hydroxychloroquine Sulfate and Leflunomide.
Has Juliana Chang received payments from drug or device companies?
CMS Open Payments shows $5,844 in general payments to Juliana Chang from 4 companies from 2019 to 2024. The largest total came from Amgen Inc.
How long has Juliana Chang been practicing?
Juliana Chang graduated from medical school in 2015, 11 years ago.
What insurance does Juliana Chang accept?
Juliana 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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