Dr. Peter Liu, MD

  • Torrance, CA
  • Endocrinologist
NPI1194143271
Publications
314
Clinical trials
4
Hospital affiliations
1
Industry payments
$781
Medical group
1
Practice address
1000 W Carson St, Torrance, CA 90509
Practice phone
Call (310) 222-2345
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Harbor-UCLA Medical Center

Hospital · Torrance, California

See all 2 affiliations

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Dr. Peter Liu is an endocrinologist in Torrance, California

Dr. Liu practices at Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.

Dr. Liu's NPI, 1194143271, was assigned on April 4, 2014. Dr. Liu graduated from University of Sydney Faculty of Medicine in 1993. Dr. Liu holds California license A134467.

NPI and contact details
NPI enumeration date
April 4, 2014
NPI status
Active
Practice phone
(310) 222-2345
Professional email
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Personal email
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Mobile number
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Sex
Male
Medical school graduation
1993

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

Dr. Peter Liu practices at Harbor-UCLA Medical Center in Torrance, California

Dr. Liu's primary practice is Harbor-UCLA Medical Center, at 1000 W Carson St, Torrance, CA 90509 in Los Angeles County. The practice phone is (310) 222-2345.

Source: Dmand AI Affiliation Data

Dr. Peter Liu is affiliated with 1 site of care and 1 medical group

Dr. Liu's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles. The medical group on file is Harbor-UCLA Medical Center. Dr. Liu's employer is on file too: a hospital.

See all 2 affiliations for Dr. Liu

Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data

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

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

EHR by site
SiteEHR vendor and product
Harbor-UCLA Medical CenterAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every hospital where Dr. Liu practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across County of Los Angeles and 6.2K+ hospitals, with verified contacts in the same login.

Dr. Peter Liu is one of 1,062 endocrinologists in California

Endocrinology, diabetes and metabolism is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207RE0101X. Dr. Liu is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine. Dr. Liu is licensed in California.

Specialties and state licenses

  • Endocrinology, diabetes and metabolism, CaliforniaPrimaryLicense F5751 · 1989 to 2026 · taxonomy 207RE0101X

Clinical focus

Dmand AI lists gastrointestinal bleeding among the conditions Dr. Liu treats.

Endocrinologists near Dr. Liu

Counts of endocrinologists 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. Peter Liu's patients have a median age of 43

Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 43, with 0% women.

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 43

Patient panel by sex, all payers

  • Women0%
  • Men100%

Source: Dmand AI Patient Panel Data

Dr. Peter Liu has 314 publications on record

Dmand AI links 314 papers to Dr. Liu, published from 2004 to 2025. 2019 was the busiest year, with 15. The most frequent topics are Testosterone, Heart Failure and Sleep Apnea, Obstructive. Dr. Liu has published most often in J Clin Endocrinol Metab. Dr. Liu's most frequent co-authors are Ronald S. Swerdloff, MD, John Kenneth Amory and Christina Wang, MD.

Papers314
Years published2004 to 2025

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

Topics Dr. Liu writes about most

  • Testosterone
  • Heart Failure
  • Sleep Apnea, Obstructive
  • Double-Blind Method
  • Luteinizing Hormone
  • Myocardium
  • Androgens
  • Aging

Dr. Liu's most frequent co-authors

Recent publications by Dr. Liu

See all 314 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 endocrinologists.

How network discovery works

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

Dr. Peter Liu has worked on 4 clinical trials

Dmand AI links Dr. Liu to 4 clinical trials, 2 of them early phase 1 studies. 2 are still active or recruiting. Conditions studied include Insulin Resistance, Sleep Apnea, Obstructive and Hyperinsulinism. Lundquist Institute for Biomedical Innovation at Harbor-UCLA Medical Center sponsors the most, 3.

Clinical trials with Dr. Liu by phase

  1. 2Early phase 1: 2 trials
  2. 1Phase 1: 1 trial
  3. NonePhase 2: no trials
  4. NonePhase 3: no trials
  5. NonePhase 4: no trials

Conditions in Dr. Liu's trials

  • Insulin Resistance
  • Sleep Apnea, Obstructive
  • Hyperinsulinism
  • Sleep Apnea Syndromes

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. Peter Liu received $781 in industry payments from 2016 to 2023

CMS Open Payments shows 54 general payments to Dr. Liu from 12 drug and device companies from 2016 to 2023. Food and beverage make up the largest share, 100% of the total. Merck Sharp & Dohme Corporation paid the most, $194.

General payments to Dr. Liu by program year, 2016 to 2023

Companies that paid Dr. Liu the most, 2016 to 2023

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. Peter Liu graduated from University of Sydney Faculty of Medicine

Dr. Liu graduated from University of Sydney Faculty of Medicine in 1993.

  1. Medical schoolUniversity of Sydney Faculty of Medicine
  2. Board certified in endocrinology, diabetes and metabolismAmerican Board of Internal Medicine
  3. Board certified in internal medicineAmerican Board of Internal Medicine

Source: Dmand AI Professional Profile Data

Sources for Dr. Peter 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 phoneDmand AI Affiliation Data
Primary practice, affiliations and health systemDmand AI Affiliation DataDmand AI Org Hierarchy Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel Data
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
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. Peter 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. Peter Liu's NPI number?

Dr. Peter Liu's NPI number is 1194143271. It was assigned on April 4, 2014, and it is active in the NPI Registry.

What kind of doctor is Dr. Peter Liu?

Dr. Peter Liu is an endocrinologist in Torrance, California. The primary specialty in the NPI Registry is Endocrinology, Diabetes & Metabolism Physician (taxonomy code 207RE0101X).

Where does Dr. Peter Liu practice?

Dr. Liu practices at 1000 W Carson St, Torrance, CA 90509. Dr. Liu's primary practice is Harbor-UCLA Medical Center in Torrance, California, part of County of Los Angeles.

What is Dr. Peter Liu's office phone number?

The practice phone on file for Dr. Liu is (310) 222-2345.

What is Dr. Peter Liu's medical license number?

Dr. Liu holds California license A134467.

Which hospitals is Dr. Peter Liu affiliated with?

Dr. Liu practices at Harbor-UCLA Medical Center in Torrance, California.

What medical group is Dr. Peter Liu part of?

Dr. Liu is linked to Harbor-UCLA Medical Center.

Is Dr. Peter Liu board certified?

Yes. Dr. Liu is board certified in endocrinology, diabetes and metabolism by the American Board of Internal Medicine.

Where did Dr. Peter Liu go to medical school?

Dr. Liu graduated from University of Sydney Faculty of Medicine in 1993.

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

CMS Open Payments shows $781 in general payments to Dr. Liu from 12 companies from 2016 to 2023. The largest total came from Merck Sharp & Dohme Corporation.

Show 3 more questionsShow fewer questions

How long has Dr. Peter Liu been practicing?

Dr. Liu graduated from medical school in 1993, 33 years ago.

Does Dr. Peter Liu do research?

Dmand AI links 314 publications to Dr. Liu, published from 2004 to 2025. Dr. Liu has worked on 4 clinical trials.

Who does Dr. Peter Liu publish with?

Dr. Liu's most frequent co-authors are Ronald S. Swerdloff, MD (27 shared papers), John Kenneth Amory (7 shared papers) and Christina Wang, MD (7 shared papers).

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