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Dr. Charles Chang, MD
NPI1285943589PAC ID7517254253
- Part D claims, 2024
- 31
- Publications
- 2
- Hospital affiliations
- 2
- Industry payments
- $19,659
- Medical group
- 1
- Practice address
- 4867 Sunset Blvd, Los Angeles, CA 90027
- Practice phone
- Call (323) 783-4011
- 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
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Dr. Charles Chang is an orthopedic surgeon in Los Angeles, California
Dr. Chang practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
Dr. Chang's NPI, 1285943589, was assigned on October 4, 2010. Dr. Chang graduated from Weill Cornell Medicine in 2009. Dr. Chang holds California license A113431.
NPI and contact details
- NPI
- 1285943589NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7517254253
- NPI enumeration date
- October 4, 2010
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (323) 783-4011
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 43
- Medical school graduation
- 2009
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Charles Chang practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California
Dr. Chang's primary practice is Kaiser Permanente Los Angeles Medical Center, at 4867 Sunset Blvd, Los Angeles, CA 90027 in Los Angeles County. The practice phone is (323) 783-4011.
- Kaiser Permanente Los Angeles Medical Center4867 Sunset Blvd, Los Angeles, CA 90027 · Los Angeles CountyPhone(323) 783-4011
Source: Dmand AI Affiliation Data
Dr. Charles Chang is affiliated with 2 sites of care and 1 medical group
Dr. Chang's primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente. Dr. Chang is also affiliated with Hillcrest 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. Charles 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 |
|---|---|
| Kaiser Permanente Los Angeles 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. Charles Chang is one of 2,056 orthopedic surgeons in California
Orthopaedic surgery is Dr. Chang's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Chang is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Chang's licenses on file in 3 states: California, Connecticut and Nevada.
Specialties and state licenses
- Orthopaedic surgery, CaliforniaPrimary
- Connecticut license
- Nevada license
Orthopedic surgeons near Dr. Chang
Counts of orthopedic surgeons 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. Charles Chang's patients have a median age of 69
Across all payers, Dmand AI patient panel data puts Dr. Chang's median patient age at 69, with 61% women.
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 69
Patient panel by sex, all payers
- Women61%
- Men39%
Source: Dmand AI Patient Panel Data
Dr. Charles Chang wrote 31 Medicare Part D claims in 2024
In 2024, Dr. Chang wrote 31 Medicare Part D claims for 21 patients. 94% of them were for generic drugs. CMS names the drug for 11 of them, across 1 drug with 11 or more claims each, at $120 in total drug cost. In 2019, CMS named 35 claims across 2 drugs.
Part D claims, 202431
Drugs named by CMS1
Total drug cost$120
Part D patients21
Dr. Chang's Part D claims by kind of drug, 2024
- Generic29 claims94%
- Brand-name and other2 claims6%
Dr. Chang's most prescribed drugs by claims, 2021
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, 2019 to 2021
- 2019
- 2021
- Claims for drugs CMS names
- 2019: 352021: 1169%
Drugs named by CMS: 1 in 2021, 2 in 2019.
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. Charles 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
Spinal fusion: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. Charles Chang has 2 publications on record
Dmand AI links 2 papers to Dr. Chang, published from 2016 to 2019. Dr. Chang's most frequent co-authors are Scott Taber Ball, MD, Geraldine Chang, MD and Kevin Cyrus Parvaresh, MD.
Papers2
Years published2016 to 2019
Dr. Chang's most frequent co-authors
- Scott Taber Ball, MD1 shared paper
- Geraldine Chang, MD1 shared paper
- Kevin Cyrus Parvaresh, MD1 shared paper
Recent publications by Dr. Chang
See who Dr. Chang researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chang works with, so you can find a warm path to the right orthopedic surgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Charles Chang received $19,659 in industry payments from 2016 to 2023
CMS Open Payments shows 121 general payments to Dr. Chang from 8 drug and device companies from 2016 to 2023. Travel and lodging make up the largest share, 76% of the total. Globus Medical, Inc. paid the most, $7,010.
General payments to Dr. Chang by program year, 2016 to 2023
General payments to Dr. Chang by kind, 2016 to 2023
$19.7Kin total
- Travel and lodging$14,90676%
- Food and beverage$4,75324%
Companies that paid Dr. Chang the most, 2016 to 2023
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Charles Chang graduated from Weill Cornell Medicine
Dr. Chang graduated from Weill Cornell Medicine in 2009.
- Medical school
- Board certified in orthopaedic surgery
Source: Dmand AI Professional Profile Data
Dr. Charles 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. Charles 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 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) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Publications, topics and co-authors | PubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage |
| 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. Charles 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. Charles Chang's NPI number?
Dr. Charles Chang's NPI number is 1285943589. It was assigned on October 4, 2010, and it is active in the NPI Registry.
What kind of doctor is Dr. Charles Chang?
Dr. Charles Chang is an orthopedic surgeon in Los Angeles, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. Charles Chang practice?
Dr. Chang practices at 4867 Sunset Blvd, Los Angeles, CA 90027. Dr. Chang's primary practice is Kaiser Permanente Los Angeles Medical Center in Los Angeles, California, part of Kaiser Permanente.
What is Dr. Charles Chang's office phone number?
The practice phone on file for Dr. Chang is (323) 783-4011.
What is Dr. Charles Chang's medical license number?
Dr. Chang holds California license A113431, one of the licenses on file in 3 states.
Which states has Dr. Charles Chang been licensed in?
Dmand AI has state licenses on file for Dr. Chang in California (2010 to 2026), Connecticut (2015 to 2020) and Nevada (2006 to 2011).
Which hospitals is Dr. Charles Chang affiliated with?
Dr. Chang practices at Kaiser Permanente Los Angeles Medical Center in Los Angeles, California. Dr. Chang is also affiliated with Hillcrest Medical Center.
What medical group is Dr. Charles Chang part of?
Dr. Chang is linked to Southern California Permanente Medical Group.
Does Dr. Charles Chang accept Medicare?
Yes. CMS lists Dr. Chang as accepting Medicare assignment.
Does Dr. Charles Chang offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Chang as offering telehealth services.
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Is Dr. Charles Chang board certified?
Yes. Dr. Chang is board certified in orthopaedic surgery by the American Board of Orthopaedic Surgery.
Where did Dr. Charles Chang go to medical school?
Dr. Chang graduated from Weill Cornell Medicine in 2009.
What drugs does Dr. Charles Chang prescribe most?
In 2021 Medicare Part D data, Dr. Chang's most prescribed drugs by claims were Hydrocodone-Acetaminophen.
Has Dr. Charles Chang received payments from drug or device companies?
CMS Open Payments shows $19,659 in general payments to Dr. Chang from 8 companies from 2016 to 2023. The largest total came from Globus Medical, Inc.
How long has Dr. Charles Chang been practicing?
Dr. Chang graduated from medical school in 2009, 17 years ago.
Does Dr. Charles Chang do research?
Dmand AI links 2 publications to Dr. Chang, published from 2016 to 2019.
Who does Dr. Charles Chang publish with?
Dr. Chang's most frequent co-authors are Scott Taber Ball, MD (1 shared paper), Geraldine Chang, MD (1 shared paper) and Kevin Cyrus Parvaresh, MD (1 shared paper).
What insurance does Dr. Charles 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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