Clin Spine Surg
Dr. John Chung-Liang Liu, MD
- Medicare services, 2024
- 636
- Medicare patients, 2024
- 389
- Part D claims, 2024
- 17
- Publications
- 9
- Hospital affiliations
- 4
- Practice address
- 1500 San Pablo Street, Los Angeles, CA 90033
- Practice phone
- Call (323) 442-8656
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Find Dr. Liu'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. John Chung-Liang Liu is a neurosurgeon in Los Angeles, California
Dr. Liu practices at Keck Hospital of USC in Los Angeles, California, part of University of Southern California.
Dr. Liu's NPI, 1235161449, was assigned on July 7, 2006. Dr. Liu graduated from David Geffen School of Medicine at UCLA in 1992. Dr. Liu holds California license G88822.
- NPI
- 1235161449NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5294869004
- NPI enumeration date
- July 7, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (323) 442-8656
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 60
- Medical school graduation
- 1992
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Chung-Liang Liu practices at Keck Hospital of USC in Los Angeles, California
Dr. Liu's primary practice is Keck Hospital of USC, at 1500 San Pablo Street, Los Angeles, CA 90033 in Los Angeles County. The practice phone is (323) 442-8656.
- Keck Hospital of USC1500 San Pablo Street, Los Angeles, CA 90033 · Los Angeles CountyPhone(323) 442-8656
Source: Dmand AI Affiliation Data
Dr. John Chung-Liang Liu is affiliated with 8 sites of care and 1 medical group
Dr. Liu's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dr. Liu is also affiliated with Eisenhower Health. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Liu to 2 more hospitals, 1 group practice or clinic, 1 home health agency, 1 other site and 1 urgent care center, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. John Chung-Liang Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 8 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Keck Hospital of USC | Available with a free account |
| +7 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across University of Southern California and 6.2K+ hospitals, with verified contacts in the same login.
Dr. John Chung-Liang Liu is one of 846 neurosurgeons in California
Neurological surgery is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207T00000X. Dr. Liu is board certified in neurological surgery by the American Board of Neurological Surgery. Dmand AI has Dr. Liu's licenses on file in 2 states: California and Illinois.
Specialties and state licenses
- Neurological surgery, CaliforniaPrimary
- Illinois license
Clinical focus
Dmand AI lists back and neck pain treatment without fusion, lower back pain, muscle pain, fibromyalgia, and limb pain, neck pain and spine problems, spinal fusion and thoracic spine disorders among the conditions Dr. Liu treats.
Neurosurgeons near Dr. Liu
Counts of neurosurgeons 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. John Chung-Liang Liu billed Medicare for 636 services in 2024
CMS data shows 636 Medicare services from Dr. Liu across 7 procedure codes in 2024, for 389 Medicare patients. Medicare paid $98,000 for them.
Dr. Liu's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 5802024: 5387%
- Surgery
- 2023: 1132024: 9813%
Where Dr. Liu's Medicare services took place, 2024
- In an office27643%
- In a facility36057%
Dr. Liu compared with the California median for neurosurgeons, 2024
- Dr. Liu
- California median
- Medicare services
- 636vs 2162.9 times
- Medicare patients
- 389vs 1542.5 times
- Part D claims
- 20vs 2623% below
Medians across 679 neurosurgeons in California with Dmand AI profiles that report each measure.
Dr. Liu'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.
Need commercial claims for Dr. Liu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other neurosurgeons in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Chung-Liang Liu treated 389 Medicare patients in 2024, average age 74
CMS counts 389 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 193 patients. 75% of them have arthritis, and 75% have high blood pressure. 21% are also on Medicaid. Their average risk score is 1.24, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 69, with 52% women.
Dr. Liu's Medicare patients by age, 2024
Dr. Liu's Medicare patients by sex, 2024
- Women21555%
- Men17445%
Chronic conditions among Dr. Liu's Medicare patients, 2024
- Arthritis75%
- High blood pressure75%
- High cholesterol75%
- Ischemic heart disease36%
- Diabetes35%
- Osteoporosis30%
- Mood disorders29%
- Anxiety27%
Share of Medicare patients with each condition. A patient can have several.
Dr. Liu'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
- Women52%
- Men47%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Chung-Liang Liu wrote 17 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 17 Medicare Part D claims. 94% of them were for generic drugs. They cover 1 drug, with $175 in total drug cost. In 2021, CMS named 50 claims across 2 drugs.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic16 claims94%
- Brand-name and other1 claims6%
Dr. Liu's most prescribed drugs by claims, 2022
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, 2021 to 2022
- 2021
- 2022
- Claims for drugs CMS names
- 2021: 502022: 2060%
Drugs named by CMS: 1 in 2022, 2 in 2021.
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. John Chung-Liang Liu ranks in the 90th percentile for laminectomy or laminotomy (partial removal of spine bones) in Medicare
Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liu as offering telehealth. CMS counts 81 procedures of laminectomy or laminotomy (partial removal of spine bones) by Dr. Liu, more than 90% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Where Dr. Liu ranks in Medicare procedure volume
- Spinal fusion
- 86th percentile167 procedures
- Laminectomy or laminotomy (partial removal of spine bones)
- 90th percentile81 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Chung-Liang Liu has 9 publications on record
Dmand AI links 9 papers to Dr. Liu, published from 2011 to 2023. 2021 was the busiest year, with 3. Dr. Liu's most frequent co-authors are Joshua Bakhsheshian, MD, MHA, Doniel G. Drazin and Richard Glenn Fessler, MD.
Dr. Liu's papers by year, 2011 to 2023
Dr. Liu's most frequent co-authors
- Joshua Bakhsheshian, MD, MHA1 shared paper
- Doniel G. Drazin1 shared paper
- Richard Glenn Fessler, MD1 shared paper
Recent publications by Dr. Liu
See who Dr. Liu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Liu works with, so you can find a warm path to the right neurosurgeons.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. John Chung-Liang Liu received $14,744 in industry payments from 2016 to 2025
CMS Open Payments shows 43 general payments to Dr. Liu from 17 drug and device companies from 2016 to 2025. Consulting fees make up the largest share, 81% of the total. NovApproach Spine, LLC paid the most, $11,875.
General payments to Dr. Liu by program year, 2016 to 2025
General payments to Dr. Liu by kind, 2016 to 2025
- Consulting fees$11,87581%
- Food and beverage$1,86913%
- Honoraria$1,0007%
Companies that paid Dr. Liu 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. John Chung-Liang Liu graduated from David Geffen School of Medicine at UCLA
Dr. Liu graduated from David Geffen School of Medicine at UCLA in 1992. Dr. Liu is a member of CNS.
- Medical school
- Board certified in neurological surgery
Source: Dmand AI Professional Profile Data
Dr. John Chung-Liang Liu accepts plans from 10 insurance carriers
Dr. Liu is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Blue Cross Blue Shield of Massachusetts
- HCSC
- Regence Health Plans
- Aspirus Health Plan
- Blue Cross and Blue Shield of Kansas City
- +2 more carriersWith a free account
Plan types Dr. Liu accepts, by number of carriers
- Medicare7
- PPO7
- POS4
- HMO3
- EPO2
Source: Dmand AI Insurance Network Data
Sources for Dr. John Chung-Liang Liu'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 | 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. John Chung-Liang Liu
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. John Chung-Liang Liu's NPI number?
Dr. John Chung-Liang Liu's NPI number is 1235161449. It was assigned on July 7, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. John Chung-Liang Liu?
Dr. John Chung-Liang Liu is a neurosurgeon in Los Angeles, California. The primary specialty in the NPI Registry is Neurological Surgery Physician (taxonomy code 207T00000X).
Where does Dr. John Chung-Liang Liu practice?
Dr. Liu practices at 1500 San Pablo Street, Los Angeles, CA 90033. Dr. Liu's primary practice is Keck Hospital of USC in Los Angeles, California, part of University of Southern California. Dmand AI also links Dr. Liu to 2 hospitals, 1 group practice or clinic, 1 home health agency, 1 other site and 1 urgent care center.
What is Dr. John Chung-Liang Liu's office phone number?
The practice phone on file for Dr. Liu is (323) 442-8656.
What is Dr. John Chung-Liang Liu's medical license number?
Dr. Liu holds California license G88822, one of the licenses on file in 2 states.
Which states has Dr. John Chung-Liang Liu been licensed in?
Dmand AI has state licenses on file for Dr. Liu in California (2010 to 2026) and Illinois (1992 to 2011).
Which hospitals is Dr. John Chung-Liang Liu affiliated with?
Dr. Liu practices at Keck Hospital of USC in Los Angeles, California. Dr. Liu is also affiliated with Eisenhower Health. Dmand AI links Dr. Liu to 2 more hospitals.
What medical group is Dr. John Chung-Liang Liu part of?
Dr. Liu is linked to USC Care Medical Group.
Does Dr. John Chung-Liang Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 636 services in 2024, and Dr. Liu accepts Medicare assignment.
Does Dr. John Chung-Liang Liu offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Liu as offering telehealth services.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. John Chung-Liang Liu see?
CMS counts 389 Medicare patients who saw Dr. Liu in 2024, with an average age of 74.
Is Dr. John Chung-Liang Liu board certified?
Yes. Dr. Liu is board certified in neurological surgery by the American Board of Neurological Surgery.
What services does Dr. John Chung-Liang Liu bill to Medicare?
In 2024, Dr. Liu's most billed Medicare services were office visit, established patient (99214), office visit, new patient (99204) and surgery: bones and joints (22614).
Where did Dr. John Chung-Liang Liu go to medical school?
Dr. Liu graduated from David Geffen School of Medicine at UCLA in 1992.
What drugs does Dr. John Chung-Liang Liu prescribe most?
In 2022 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Gabapentin.
Has Dr. John Chung-Liang Liu received payments from drug or device companies?
CMS Open Payments shows $14,744 in general payments to Dr. Liu from 17 companies from 2016 to 2025. The largest total came from NovApproach Spine, LLC.
How long has Dr. John Chung-Liang Liu been practicing?
Dr. Liu graduated from medical school in 1992, 34 years ago.
Does Dr. John Chung-Liang Liu do research?
Dmand AI links 9 publications to Dr. Liu, published from 2011 to 2023.
Who does Dr. John Chung-Liang Liu publish with?
Dr. Liu's most frequent co-authors are Joshua Bakhsheshian, MD, MHA (1 shared paper), Doniel G. Drazin (1 shared paper) and Richard Glenn Fessler, MD (1 shared paper).
What insurance does Dr. John Chung-Liang Liu accept?
Dr. Liu is in network with 10 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. Medicare plans come from the most carriers, 7. Check the plan with the practice before a visit.
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