Dr. Yi Liu, MD
- 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
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Optum - Highland Boulder
Mammography / Breast Imaging Center · Highland, California
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. 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
- 1659306710NPI Registry (opens in a new tab)
- 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
- Get email
- Mobile number
- Get number
- 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 Boulder7000 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.
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.
| Site | EHR vendor and product |
|---|---|
| Optum - Highland Boulder | Available with a free account |
| +4 more sites and 1 medical group | Available 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, CaliforniaPrimary
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.
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.
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.
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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.
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.
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
- High cholesterol75%
- High blood pressure69%
- Arthritis44%
- Chronic kidney disease30%
- Diabetes28%
- Mood disorders23%
- Depression20%
- 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.
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.
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.
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
Annu Rev Biochem
Nat Commun
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.
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.
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
- 2012
- NCQA PCMH
- NCQA PPC
- 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.
- Medical school
- Board certified in 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
- PPO11
- Medicare9
- HMO7
- POS6
- EPO5
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Yi 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) |
| 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) |
| Awards and committee roles | Dmand AI Professional Profile Data |
| 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. 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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