Dr. Joseph Nairne Liu, MD

  • Pomona, CA
  • Orthopedic surgeon
NPI1154689248PAC ID0749589398
Medicare services, 2024
148
Medicare patients, 2024
93
Part D claims, 2024
21
Publications
125
Clinical trials
1
Practice address
160 E Artesia St, Pomona, CA 91767
Practice phone
Call (909) 596-4346
Professional email
Get professional email
Personal email
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Mobile number
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Social profiles

Primary practice

Premier Orthopaedic Trauma Specialists, PMC

Pomona, California

See all 15 affiliations

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Dr. Joseph Nairne Liu is an orthopedic surgeon in Pomona, California

Dr. Liu practices at Premier Orthopaedic Trauma Specialists, PMC in Pomona, California.

Dr. Liu's NPI, 1154689248, was assigned on April 26, 2012. Dr. Liu graduated from UCSF School of Medicine in 2012. Dr. Liu holds California license A157220.

NPI and contact details
Medicare PAC ID
0749589398
NPI enumeration date
April 26, 2012
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 596-4346
Professional email
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Personal email
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Mobile number
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Sex
Male
Estimated age
40
Medical school graduation
2012

Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)

Dr. Joseph Nairne Liu practices at Premier Orthopaedic Trauma Specialists, PMC in Pomona, California

Dr. Liu's primary practice is Premier Orthopaedic Trauma Specialists, PMC, at 160 E Artesia St, Pomona, CA 91767 in Los Angeles County. The practice phone is (909) 596-4346.

  • Premier Orthopaedic Trauma Specialists, PMC
    160 E Artesia St, Pomona, CA 91767 · Los Angeles CountyPhone(909) 596-4346

Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data

Dr. Joseph Nairne Liu is affiliated with 10 sites of care and 5 medical groups

Dr. Liu's primary practice is Premier Orthopaedic Trauma Specialists, PMC in Pomona, California. Dr. Liu is also affiliated with Pomona Valley Hospital Medical Center. The medical group on file is USC Care Medical Group. Dmand AI also links Dr. Liu to 5 more hospitals, 4 medical groups and 3 group practices and clinics, each named with a free account.

See all 15 affiliations for Dr. Liu

Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data

Dmand AI tracks the EHR system at Dr. Joseph Nairne Liu's practice

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 9 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Premier Orthopaedic Trauma Specialists, PMCAvailable with a free account
+9 more sites and 4 medical groupsAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Joseph Nairne Liu is one of 2,056 orthopedic surgeons in California

Orthopaedic surgery is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Liu is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery. Dmand AI has Dr. Liu's licenses on file in 4 states: California, Illinois, Indiana and New York.

Specialties and state licenses

  • Orthopaedic surgery, CaliforniaPrimaryLicense A157220 · 2018 to 2026 · taxonomy 207X00000X
  • Illinois license2017 to 2020
  • Indiana license2017 to 2019
  • New York license2013 to 2018

Clinical focus

Dmand AI lists arm, wrist, hand fracture and dislocation, arthritis and joint pain among the conditions Dr. Liu treats.

Orthopedic surgeons near Dr. Liu

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. Joseph Nairne Liu billed Medicare for 148 services in 2024

CMS data shows 148 Medicare services from Dr. Liu across 4 procedure codes in 2024, for 93 Medicare patients. Medicare paid $14,301 for them. Every service was in an office.

Medicare services, 2024148
Medicare patients93
Paid by Medicare$14,301
Procedure codes4

Dr. Liu's Medicare services by type, 2023 to 2024

  • 2023
  • 2024
Office and hospital visits
2023: 892024: 11934%
Surgery
2023: 02024: 29

Dr. Liu compared with the California median for orthopedic surgeons, 2024

  • Dr. Liu
  • California median
Medicare services
148vs 68378% below
Medicare patients
93vs 21557% below

Medians across 1,844 orthopedic surgeons 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.

See all procedures by Dr. Liu

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Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Liu and other orthopedic surgeons in California.

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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks

Dr. Joseph Nairne Liu treated 93 Medicare patients in 2024, average age 72

CMS counts 93 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 54 patients. 75% of them have arthritis, and 75% have high cholesterol. 27% are also on Medicaid. Their average risk score is 1.14, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 63, with 57% women.

Medicare patients, 202493
Average age72
Average risk score1.14
Also on Medicaid27%

Dr. Liu's Medicare patients by age, 2024

CMS leaves out age groups with fewer than 11 patients.

Dr. Liu's Medicare patients by sex, 2024

  • Women5559%
  • Men3841%

Chronic conditions among Dr. Liu's Medicare patients, 2024

  1. Arthritis75%
  2. High cholesterol75%
  3. High blood pressure71%
  4. Diabetes33%
  5. Anxiety32%
  6. Ischemic heart disease31%
  7. Mood disorders29%
  8. Depression27%

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 63

Patient panel by sex, all payers

  • Women57%
  • Men42%

Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data

Dr. Joseph Nairne Liu wrote 21 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 21 Medicare Part D claims for 19 patients. 100% of them were for generic drugs.

Part D claims, 202421
Part D patients19

Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data

Dr. Joseph Nairne Liu ranks in the 90th percentile for lower limb (leg) arthroscopy (minimally invasive joint repair) 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 17 procedures of lower limb (leg) arthroscopy (minimally invasive joint repair) 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

Lower limb (leg) arthroscopy (minimally invasive joint repair)
90th percentile17 procedures
Upper limb (arm) arthroscopy (minimally invasive joint repair)
46th percentile11 procedures

CMS ranks each clinician against every clinician it reports for the same procedure category.

Knee replacement: 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. Joseph Nairne Liu has 125 publications on record

Dmand AI links 125 papers to Dr. Liu, published from 2013 to 2025. 2019 was the busiest year, with 16. The most frequent topics are Return to Sport, Arthroplasty, Replacement, Shoulder and Arthroscopy. Dr. Liu has published most often in J Shoulder Elbow Surg. Dr. Liu's most frequent co-authors are Anirudh Krishna Gowd, MD, Avinesh Agarwalla, MD and Frank Anthony Petrigliano, MD.

Papers125
Years published2013 to 2025

Dr. Liu's papers by year, 2016 to 2025

Topics Dr. Liu writes about most

  • Return to Sport
  • Arthroplasty, Replacement, Shoulder
  • Arthroscopy
  • Rotator Cuff Injuries
  • Shoulder Joint
  • Knee Joint
  • Postoperative Period
  • Cell Line, Tumor

Dr. Liu's most frequent co-authors

Recent publications by Dr. Liu

See all 125 publications and co-authors

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 orthopedic surgeons.

How network discovery works

Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage

Dr. Joseph Nairne Liu has worked on 1 clinical trial

Dmand AI links Dr. Liu to 1 clinical trial. Conditions studied include Osteoarthritis, Knee and Osteoarthritis.

Conditions in Dr. Liu's trials

  • Osteoarthritis, Knee
  • Osteoarthritis

Investigators on the most trials with Dr. Liu

Recent clinical trials with Dr. Liu

Sources: Dmand AI Research Linkage; and ClinicalTrials.gov (National Library of Medicine)

Dr. Joseph Nairne Liu received $53,961 in industry payments from 2017 to 2025

CMS Open Payments shows 227 general payments to Dr. Liu from 26 drug and device companies from 2017 to 2025. Education make up the largest share, 51% of the total. Smith & Nephew, Inc. paid the most, $29,318. It also lists 2 research payments totaling $1,250 from 2019 to 2020.

General payments to Dr. Liu by program year, 2017 to 2025

General payments to Dr. Liu by kind, 2017 to 2025

$54Kin total
  • Education$27,49651%
  • Travel and lodging$11,50321%
  • Food and beverage$10,43719%
  • Consulting fees$2,6005%
  • Speaker and faculty fees$1,9254%

Companies that paid Dr. Liu the most, 2017 to 2025

Share is of all general payments to this clinician.

See all payments to Dr. Liu

Source: Open Payments (CMS), 2025 data, released July 7, 2026

Dr. Joseph Nairne Liu graduated from UCSF School of Medicine

Dr. Liu graduated from UCSF School of Medicine in 2012. Dr. Liu is a member of AOA, AAOS and AOSSM.

  1. Medical schoolUCSF School of Medicine
  2. Board certified in orthopaedic sports medicineAmerican Board of Orthopaedic Surgery
  3. Board certified in orthopaedic surgeryAmerican Board of Orthopaedic Surgery

Source: Dmand AI Professional Profile Data

Dr. Joseph Nairne Liu accepts plans from 14 insurance carriers

Dr. Liu is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

Plan types Dr. Liu accepts, by number of carriers

  1. Medicare10
  2. HMO8
  3. PPO8
  4. EPO4
  5. POS4
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Joseph Nairne Liu's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare services and procedure codesMedicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab)
State medians for the same specialtyDmand AI Peer Benchmarks
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors 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-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Clinical trials and co-investigatorsDmand AI Research LinkageClinicalTrials.gov (National Library of Medicine) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
Insurance carriers and plan typesDmand AI Insurance Network Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand AI Affiliation Data

Data last refreshed October 2026Report an inaccuracyRemove my information

FAQ

Frequently asked questions about Dr. Joseph Nairne 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. Joseph Nairne Liu's NPI number?

Dr. Joseph Nairne Liu's NPI number is 1154689248. It was assigned on April 26, 2012, and it is active in the NPI Registry.

What kind of doctor is Dr. Joseph Nairne Liu?

Dr. Joseph Nairne Liu is an orthopedic surgeon in Pomona, California. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).

Where does Dr. Joseph Nairne Liu practice?

Dr. Liu practices at 160 E Artesia St, Pomona, CA 91767. Dr. Liu's primary practice is Premier Orthopaedic Trauma Specialists, PMC in Pomona, California. Dmand AI also links Dr. Liu to 5 hospitals, 4 medical groups and 3 group practices and clinics.

What is Dr. Joseph Nairne Liu's office phone number?

The practice phone on file for Dr. Liu is (909) 596-4346.

What is Dr. Joseph Nairne Liu's medical license number?

Dr. Liu holds California license A157220, one of the licenses on file in 4 states.

Which states has Dr. Joseph Nairne Liu been licensed in?

Dmand AI has state licenses on file for Dr. Liu in California (2018 to 2026), Illinois (2017 to 2020), Indiana (2017 to 2019) and New York (2013 to 2018).

Which hospitals is Dr. Joseph Nairne Liu affiliated with?

Dr. Liu is affiliated with Pomona Valley Hospital Medical Center. Dmand AI links Dr. Liu to 5 more hospitals.

What medical group is Dr. Joseph Nairne Liu part of?

Dr. Liu is linked to USC Care Medical Group. Dmand AI links Dr. Liu to 4 more medical groups.

Does Dr. Joseph Nairne Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 148 services in 2024, and Dr. Liu accepts Medicare assignment.

Does Dr. Joseph Nairne Liu offer telehealth?

Yes. The CMS Doctors and Clinicians file lists Dr. Liu as offering telehealth services.

Show 9 more questionsShow fewer questions

How many Medicare patients does Dr. Joseph Nairne Liu see?

CMS counts 93 Medicare patients who saw Dr. Liu in 2024, with an average age of 72.

Is Dr. Joseph Nairne Liu board certified?

Yes. Dr. Liu is board certified in orthopaedic sports medicine by the American Board of Orthopaedic Surgery.

What services does Dr. Joseph Nairne 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 office visit, established patient (99213).

Where did Dr. Joseph Nairne Liu go to medical school?

Dr. Liu graduated from UCSF School of Medicine in 2012.

Has Dr. Joseph Nairne Liu received payments from drug or device companies?

CMS Open Payments shows $53,961 in general payments to Dr. Liu from 26 companies from 2017 to 2025. The largest total came from Smith & Nephew, Inc.

How long has Dr. Joseph Nairne Liu been practicing?

Dr. Liu graduated from medical school in 2012, 14 years ago.

Does Dr. Joseph Nairne Liu do research?

Dmand AI links 125 publications to Dr. Liu, published from 2013 to 2025. Dr. Liu has worked on 1 clinical trial.

Who does Dr. Joseph Nairne Liu publish with?

Dr. Liu's most frequent co-authors are Anirudh Krishna Gowd, MD (21 shared papers), Avinesh Agarwalla, MD (16 shared papers) and Frank Anthony Petrigliano, MD (16 shared papers).

What insurance does Dr. Joseph Nairne Liu accept?

Dr. Liu is in network with 14 carriers, including Aetna, Elevance and Blue Cross Blue Shield of Michigan. Medicare plans come from the most carriers, 10. Check the plan with the practice before a visit.

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