Dr. Luke Hyaryul Chang, MD
- Medicare services, 2024
- 317
- Medicare patients, 2024
- 208
- Part D claims, 2020
- 11
- Hospital affiliations
- 2
- Industry payments
- $1,831
- Practice address
- 100 W. California Blvd, Pasadena, CA 91105
- Practice phone
- Call (626) 397-2618
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Huntington Hospital - Unit
Acute Care Hospital-Unit · Pasadena, California
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. Luke Hyaryul Chang is an anesthesiologist in Pasadena, California
Dr. Chang practices at Huntington Hospital - Unit in Pasadena, California.
Dr. Chang's NPI, 1073537387, was assigned on July 27, 2006. Dr. Chang graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1994. Dr. Chang holds California license A61749.
- NPI
- 1073537387NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6901708700
- NPI enumeration date
- July 27, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (626) 397-2618
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Luke Hyaryul Chang practices at Huntington Hospital - Unit in Pasadena, California
Dr. Chang's primary practice is Huntington Hospital - Unit, at 100 W. California Blvd, Pasadena, CA 91105 in Los Angeles County. The practice phone is (626) 397-2618.
- Huntington Hospital - Unit100 W. California Blvd, Pasadena, CA 91105 · Los Angeles CountyPhone(626) 397-2618
Source: Dmand AI Affiliation Data
Dr. Luke Hyaryul Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Huntington Hospital - Unit in Pasadena, California. Dr. Chang is also affiliated with Huntington Hospital. The medical group on file is Pacific Valley Medical Group.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Luke Hyaryul 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 |
|---|---|
| Huntington Hospital - Unit | 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. Luke Hyaryul Chang is one of 6,593 anesthesiologists in California
Anesthesiology is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207L00000X. Dr. Chang is board certified in anesthesiology by the American Board of Anesthesiology. Dr. Chang is licensed in California.
Specialties and state licenses
- Anesthesiology, CaliforniaPrimary
Anesthesiologists near Dr. Chang
Counts of anesthesiologists 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. Luke Hyaryul Chang billed Medicare for 317 services in 2024
CMS data shows 317 Medicare services from Dr. Chang across 11 procedure codes in 2024, for 208 Medicare patients. Medicare paid $44,675 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Chang's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Anesthesia
- 2023: 872024: 14567%
- Surgery
- 2023: 922024: 998%
- Imaging
- 2023: 542024: 7335%
Dr. Chang compared with the California median for anesthesiologists, 2024
- Dr. Chang
- California median
- Medicare services
- 317vs 724.4 times
- Medicare patients
- 208vs 14345% above
- Part D claims
- 11vs 2352% below
Medians across 5,562 anesthesiologists in California with Dmand AI profiles that report each measure.
Dr. 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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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chang and other anesthesiologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Luke Hyaryul Chang treated 208 Medicare patients in 2024, average age 75
CMS counts 208 Medicare patients who saw Dr. Chang in 2024. The largest group is 65 to 74, with 91 patients. 75% of them have arthritis, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.45, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 71, with 60% women.
Dr. Chang's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Chang's Medicare patients by sex, 2024
- Women12460%
- Men8440%
Chronic conditions among Dr. Chang's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Diabetes37%
- Ischemic heart disease37%
- Mood disorders31%
- Anxiety26%
- Depression26%
Share of Medicare patients with each condition. A patient can have several.
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 71
Patient panel by sex, all payers
- Women60%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Luke Hyaryul Chang wrote 11 Medicare Part D claims in 2020
In 2020, Dr. Chang wrote 11 Medicare Part D claims. Every claim was for a generic drug. They cover 1 drug, with $37 in total drug cost.
Dr. Chang's most prescribed drugs by claims, 2020
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Source: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026
How Dr. Luke Hyaryul Chang takes part in Medicare
Dr. Chang accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Dr. Luke Hyaryul Chang received $1,831 in industry payments from 2016 to 2025
CMS Open Payments shows 30 general payments to Dr. Chang from 16 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 100% of the total. Pacira Pharmaceuticals Incorporated paid the most, $428.
General payments to Dr. Chang by program year, 2016 to 2025
Companies that paid Dr. Chang the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Luke Hyaryul Chang graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science
Dr. Chang graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1994.
- Medical school
- Board certified in anesthesiology
Source: Dmand AI Professional Profile Data
Dr. Luke Hyaryul Chang accepts plans from 2 insurance carriers
Dr. Chang is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
- CMS Medicare
- Molina
Source: Dmand AI Insurance Network Data
Sources for Dr. Luke Hyaryul 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) |
| 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. Luke Hyaryul 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. Luke Hyaryul Chang's NPI number?
Dr. Luke Hyaryul Chang's NPI number is 1073537387. It was assigned on July 27, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Luke Hyaryul Chang?
Dr. Luke Hyaryul Chang is an anesthesiologist in Pasadena, California. The primary specialty in the NPI Registry is Anesthesiology Physician (taxonomy code 207L00000X).
Where does Dr. Luke Hyaryul Chang practice?
Dr. Chang practices at 100 W. California Blvd, Pasadena, CA 91105. Dr. Chang's primary practice is Huntington Hospital - Unit in Pasadena, California.
What is Dr. Luke Hyaryul Chang's office phone number?
The practice phone on file for Dr. Chang is (626) 397-2618.
What is Dr. Luke Hyaryul Chang's medical license number?
Dr. Chang holds California license A61749.
Which hospitals is Dr. Luke Hyaryul Chang affiliated with?
Dr. Chang is affiliated with Huntington Hospital. Dmand AI links Dr. Chang to 1 more hospital.
What medical group is Dr. Luke Hyaryul Chang part of?
Dr. Chang is linked to Pacific Valley Medical Group.
Does Dr. Luke Hyaryul Chang accept Medicare?
Yes. CMS data shows Dr. Chang billed Medicare for 317 services in 2024, and Dr. Chang accepts Medicare assignment.
How many Medicare patients does Dr. Luke Hyaryul Chang see?
CMS counts 208 Medicare patients who saw Dr. Chang in 2024, with an average age of 75.
Is Dr. Luke Hyaryul Chang board certified?
Yes. Dr. Chang is board certified in anesthesiology by the American Board of Anesthesiology.
Show 6 more questionsShow fewer questions
What services does Dr. Luke Hyaryul Chang bill to Medicare?
In 2024, Dr. Chang's most billed Medicare services were surgery: heart and blood vessels (36620), ultrasound (76937) and anesthesia (00670).
Where did Dr. Luke Hyaryul Chang go to medical school?
Dr. Chang graduated from Chicago Medical School at Rosalind Franklin University of Medicine and Science in 1994.
What drugs does Dr. Luke Hyaryul Chang prescribe most?
In 2020 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Metformin HCl.
Has Dr. Luke Hyaryul Chang received payments from drug or device companies?
CMS Open Payments shows $1,831 in general payments to Dr. Chang from 16 companies from 2016 to 2025. The largest total came from Pacira Pharmaceuticals Incorporated.
How long has Dr. Luke Hyaryul Chang been practicing?
Dr. Chang graduated from medical school in 1994, 32 years ago.
What insurance does Dr. Luke Hyaryul Chang accept?
Dr. Chang is in network with 2 carriers, including CMS Medicare and Molina. Medicare plans come from the most carriers, 2. Check the plan with the practice before a visit.
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