Dr. Yi Liu, MD

  • Highland, CA
  • Family medicine physician
NPI1659306710PAC ID6608811013
Medicare services, 2024
138
Medicare patients, 2024
118
Part D claims, 2024
246
Publications
16
Hospital affiliations
1
Practice address
7000 Boulder Avenue, Highland, CA 92346
Practice phone
Call (909) 425-3133
Professional email
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Personal email
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Mobile number
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Social profiles

Primary practice

Optum - Highland Boulder

Mammography / Breast Imaging Center · Highland, California

See all 7 affiliations

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Dr. Yi Liu is a family medicine physician in Highland, California

Dr. Liu practices at Optum - Highland Boulder in Highland, California.

Dr. Liu's NPI, 1659306710, was assigned on July 11, 2006. Dr. Liu graduated from Shanghai Medical University in 1985. Dr. Liu holds California license A84623.

NPI and contact details
Medicare PAC ID
6608811013
NPI enumeration date
July 11, 2006
NPI status
Active
Accepts Medicare assignment
Yes
Offers telehealth
Yes
Practice phone
(909) 425-3133
Professional email
Get email
Personal email
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Mobile number
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Sex
Male
Estimated age
67
Medical school graduation
1985

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

Dr. Yi Liu practices at Optum - Highland Boulder in Highland, California

Dr. Liu's primary practice is Optum - Highland Boulder, at 7000 Boulder Avenue, Highland, CA 92346. The practice phone is (909) 425-3133.

  • Optum - Highland Boulder
    7000 Boulder Avenue, Highland, CA 92346Phone(909) 425-3133

Source: Dmand AI Affiliation Data

Dr. Yi Liu is affiliated with 5 sites of care and 2 medical groups

Dr. Liu's primary practice is Optum - Highland Boulder in Highland, California. Dr. Liu is also affiliated with Redlands Community Hospital. The medical group on file is Optum - Downtown Los Angeles. Dmand AI also links Dr. Liu to 2 more group practices and clinics, 1 home health agency and 1 medical group, each named with a free account. Dr. Liu's employer is on file too: a breast imaging center.

See all 7 affiliations for Dr. Liu

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

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

Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Liu practices, 5 sites in all. Vendor and product names are available with a free account.

EHR by site
SiteEHR vendor and product
Optum - Highland BoulderAvailable with a free account
+4 more sites and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

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Dr. Yi Liu is one of 15,680 family medicine physicians in California

Family medicine is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207Q00000X. Dr. Liu is board certified in family medicine by the American Board of Family Medicine. Dr. Liu is licensed in California.

Specialties and state licenses

  • Family medicine, CaliforniaPrimaryLicense A84623 · 2003 to 2027 · taxonomy 207Q00000X

Clinical focus

Dmand AI lists acute sinusitis, acute skin infection, atrial fibrillation and flutter, bursitis, chronic diabetes, ear infection, eyelid inflammation and head wound among the conditions Dr. Liu treats.

Family medicine physicians near Dr. Liu

Counts of family medicine physicians with a Dmand AI profile, by place and practice. Each opens the list.

15,680family medicine physicians in California
5family medicine physicians in Highland

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

Dr. Yi Liu billed Medicare for 138 services in 2024

CMS data shows 138 Medicare services from Dr. Liu across 4 procedure codes in 2024, for 118 Medicare patients. Medicare paid $6,322 for them. Every service was in an office.

Medicare services, 2024138
Medicare patients118
Paid by Medicare$6,322
Procedure codes4

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

  • 2023
  • 2024
Office and hospital visits
2023: 1802024: 10741%
Lab and pathology
2023: 232024: 3135%

Dr. Liu compared with the California median for family medicine physicians, 2024

  • Dr. Liu
  • California median
Medicare services
138vs 24644% below
Medicare patients
118vs 118Close to median
Part D claims
139vs 83383% below

Medians across 15,349 family medicine physicians 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 family medicine physicians in California.

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

Dr. Yi Liu treated 118 Medicare patients in 2024, average age 75

CMS counts 118 Medicare patients who saw Dr. Liu in 2024. The largest group is 65 to 74, with 52 patients. 75% of them have high cholesterol, and 69% have high blood pressure. 14% are also on Medicaid. Their average risk score is 1.08, where 1.00 is the Medicare average.

Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 58, with 62% women.

Medicare patients, 2024118
Average age75
Average risk score1.08
Also on Medicaid14%

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

  • Women7160%
  • Men4740%

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

  1. High cholesterol75%
  2. High blood pressure69%
  3. Arthritis44%
  4. Chronic kidney disease30%
  5. Diabetes28%
  6. Mood disorders23%
  7. Depression20%
  8. Ischemic heart disease19%

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 58

Patient panel by sex, all payers

  • Women62%
  • Men37%

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

Dr. Yi Liu wrote 246 Medicare Part D claims in 2024

In 2024, Dr. Liu wrote 246 Medicare Part D claims for 200 patients. 91% of them were for generic drugs. CMS names the drug for 139 of them, across 8 drugs with 11 or more claims each, at $537 in total drug cost. In 2023, CMS named 202 claims across 9 drugs.

Part D claims, 2024246
Drugs named by CMS8
Total drug cost$537
Part D patients200

Dr. Liu's Part D claims by kind of drug, 2024

  • Generic224 claims91%
  • Brand-name22 claims9%

Dr. Liu's most prescribed drugs by claims, 2024

CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.

Drug classes CMS tracks in Dr. Liu's Part D claims, 2024

  • Antibiotics48%119 of 246 claims

Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.

Part D claims for drugs CMS names, 2023 to 2024

  • 2023
  • 2024
Claims for drugs CMS names
2023: 2022024: 13931%

Drugs named by CMS: 8 in 2024, 9 in 2023.

See all prescribing by Dr. Liu

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. Yi Liu offers telehealth to Medicare patients

Dr. Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Liu as offering telehealth.

Accepts Medicare assignment
Yes
Offers telehealth
Yes

Source: Doctors and Clinicians National Downloadable File (CMS)

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Dr. Yi Liu has 16 publications on record

Dmand AI links 16 papers to Dr. Liu, published from 2010 to 2022. 2012 was the busiest year, with 2. The most frequent topics are Circadian Clocks, Neurospora crassa and Circadian Rhythm. Dr. Liu has published most often in Nat Commun.

Papers16
Years published2010 to 2022

Dr. Liu's papers by year, 2010 to 2022

Topics Dr. Liu writes about most

  • Circadian Clocks
  • Neurospora crassa
  • Circadian Rhythm
  • Fungal Proteins
  • RNA, Messenger
  • Neurospora
  • Phosphorylation
  • Protein Binding

Recent publications by Dr. Liu

See all 16 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 family medicine physicians.

How network discovery works

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

Dr. Yi Liu received $347 in industry payments from 2016 to 2022

CMS Open Payments shows 7 general payments to Dr. Liu from 4 drug and device companies from 2016 to 2022. Food and beverage make up the largest share, 100% of the total. ViiV Healthcare Company paid the most, $213.

General payments to Dr. Liu by program year, 2016 to 2022

Companies that paid Dr. Liu the most, 2016 to 2022

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. Yi Liu has 3 awards and honors on record

Dmand AI lists 3 awards for Dr. Liu, most recently NCQA PCMH in 2012.

Awards and honors for Dr. Liu

  1. 2012
    • NCQA PCMH
    • NCQA PPC
  2. 2009
    • Bridges to Excellence

Source: Dmand AI Professional Profile Data

Dr. Yi Liu graduated from Shanghai Medical University

Dr. Liu graduated from Shanghai Medical University in 1985.

  1. Medical schoolShanghai Medical University
  2. Board certified in family medicineAmerican Board of Family Medicine

Source: Dmand AI Professional Profile Data

Dr. Yi Liu accepts plans from 18 insurance carriers

Dr. Liu is in network with 18 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

  • Aetna
  • Excellus BlueCross BlueShield
  • Blue Cross Blue Shield of Michigan
  • Elevance
  • United Healthcare
  • HCSC
  • Blue Cross Blue Shield of Massachusetts
  • Regence Health Plans
  • +10 more carriersWith a free account

Plan types Dr. Liu accepts, by number of carriers

  1. PPO11
  2. Medicare9
  3. HMO7
  4. POS6
  5. EPO5
  6. Medicaid1

Source: Dmand AI Insurance Network Data

Sources for Dr. Yi 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 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 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 percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)
Publications, topics and co-authorsPubMed (National Library of Medicine) (opens in a new tab)Dmand AI Research Linkage
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Awards and committee rolesDmand AI Professional Profile Data
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. Yi 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. Yi Liu's NPI number?

Dr. Yi Liu's NPI number is 1659306710. It was assigned on July 11, 2006, and it is active in the NPI Registry.

What kind of doctor is Dr. Yi Liu?

Dr. Yi Liu is a family medicine physician in Highland, California. The primary specialty in the NPI Registry is Family Medicine Physician (taxonomy code 207Q00000X).

Where does Dr. Yi Liu practice?

Dr. Liu practices at 7000 Boulder Avenue, Highland, CA 92346. Dr. Liu's primary practice is Optum - Highland Boulder in Highland, California. Dmand AI also links Dr. Liu to 2 group practices and clinics, 1 home health agency and 1 medical group.

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

The practice phone on file for Dr. Liu is (909) 425-3133.

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

Dr. Liu holds California license A84623.

Which hospitals is Dr. Yi Liu affiliated with?

Dr. Liu is affiliated with Redlands Community Hospital.

What medical group is Dr. Yi Liu part of?

Dr. Liu is linked to Optum - Downtown Los Angeles. Dmand AI links Dr. Liu to 1 more medical group.

Does Dr. Yi Liu accept Medicare?

Yes. CMS data shows Dr. Liu billed Medicare for 138 services in 2024, and Dr. Liu accepts Medicare assignment.

Does Dr. Yi Liu offer telehealth?

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

How many Medicare patients does Dr. Yi Liu see?

CMS counts 118 Medicare patients who saw Dr. Liu in 2024, with an average age of 75.

Show 8 more questionsShow fewer questions

Is Dr. Yi Liu board certified?

Yes. Dr. Liu is board certified in family medicine by the American Board of Family Medicine.

What services does Dr. Yi Liu bill to Medicare?

In 2024, Dr. Liu's most billed Medicare services were office visit, established patient (99213), office visit, new patient (99203) and lab and pathology test (81003).

Where did Dr. Yi Liu go to medical school?

Dr. Liu graduated from Shanghai Medical University in 1985.

What drugs does Dr. Yi Liu prescribe most?

In 2024 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Azithromycin, Ciprofloxacin HCl and Amoxicillin-Clavulanate Potass.

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

CMS Open Payments shows $347 in general payments to Dr. Liu from 4 companies from 2016 to 2022. The largest total came from ViiV Healthcare Company.

How long has Dr. Yi Liu been practicing?

Dr. Liu graduated from medical school in 1985, 41 years ago.

Does Dr. Yi Liu do research?

Dmand AI links 16 publications to Dr. Liu, published from 2010 to 2022.

What insurance does Dr. Yi Liu accept?

Dr. Liu is in network with 18 carriers, including Aetna, Excellus BlueCross BlueShield and Blue Cross Blue Shield of Michigan. PPO plans come from the most carriers, 11. Check the plan with the practice before a visit.

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