Robert Liu
- Part D claims, 2024
- 263
- Hospital affiliations
- 1
- Industry payments
- $288
- Medical group
- 1
- Insurance carriers
- 1
- Practice address
- 9965 Sierra Ave, Fontana, CA 92335
- Practice phone
- Call (909) 427-5000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Kaiser Permanente - Fontana Medical Center
Fontana, California
Find Robert 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.
Robert Liu is an internist in Fontana, California
Robert Liu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Robert Liu's NPI, 1386178002, was assigned on April 19, 2017. Robert Liu graduated from Wayne State University School Of Medicine in 2017. Robert Liu holds California license A162213.
- NPI
- 1386178002NPI Registry (opens in a new tab)
- Medicare PAC ID
- 5395078489
- NPI enumeration date
- April 19, 2017
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (909) 427-5000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 35
- Medical school graduation
- 2017
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Robert Liu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Robert Liu's primary practice is Kaiser Permanente - Fontana Medical Center, at 9965 Sierra Ave, Fontana, CA 92335 in San Bernardino County. The practice phone is (909) 427-5000.
- Kaiser Permanente - Fontana Medical Center9965 Sierra Ave, Fontana, CA 92335 · San Bernardino CountyPhone(909) 427-5000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Robert Liu is affiliated with 3 sites of care and 1 medical group
Robert Liu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Robert Liu is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Robert Liu to 1 more group practice or clinic, named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Robert Liu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Robert Liu practices, 2 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +2 more affiliated sites | Available with a free account |
Source: Dmand AI Technology Install Data
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Robert Liu is one of 16,751 internists in California
Internal medicine is Robert Liu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Robert Liu is board certified in internal medicine by the American Board of Internal Medicine. Robert Liu is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Internists near Robert Liu
Counts of internists 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
Robert Liu's patients have a median age of 70
Across all payers, Dmand AI patient panel data puts Robert Liu's median patient age at 70, with 50% women.
Robert 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 70
Patient panel by sex, all payers
- Women50%
- Men50%
Source: Dmand AI Patient Panel Data
Robert Liu wrote 263 Medicare Part D claims in 2024
In 2024, Robert Liu wrote 263 Medicare Part D claims for 110 patients. 95% of them were for generic drugs. CMS names the drug for 164 of them, across 7 drugs with 11 or more claims each, at $2,435 in total drug cost. In 2023, CMS named 201 claims across 8 drugs.
Robert Liu's Part D claims by kind of drug, 2024
- Generic249 claims95%
- Brand-name and other14 claims5%
Robert 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 Robert Liu's Part D claims, 2024
- Opioids24%64 of 263 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: 2012024: 16418%
Drugs named by CMS: 7 in 2024, 8 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
How Robert Liu takes part in Medicare
Robert Liu accepts Medicare assignment, so Medicare's approved amount is taken as full payment.
- Accepts Medicare assignment
- Yes
Source: Doctors and Clinicians National Downloadable File (CMS)
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Robert Liu received $288 in industry payments from 2022 to 2024
CMS Open Payments shows 4 general payments to Robert Liu from 2 drug and device companies from 2022 to 2024. Food and beverage make up the largest share, 100% of the total. DePuy Synthes Sales Inc. paid the most, $155.
General payments to Robert Liu by program year, 2022 to 2024
Companies that paid Robert Liu the most, 2022 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Robert Liu graduated from Wayne State University School Of Medicine
Robert Liu graduated from Wayne State University School Of Medicine in 2017.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Robert Liu accepts plans from 1 insurance carrier
Robert Liu is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
- CMS Medicare
Source: Dmand AI Insurance Network Data
Sources for Robert 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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel Data |
| 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) |
| 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 Robert 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 Robert Liu's NPI number?
Robert Liu's NPI number is 1386178002. It was assigned on April 19, 2017, and it is active in the NPI Registry.
What does Robert Liu specialize in?
Robert Liu is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Robert Liu practice?
Robert Liu practices at 9965 Sierra Ave, Fontana, CA 92335. Robert Liu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Robert Liu to 1 group practice or clinic.
What is Robert Liu's office phone number?
The practice phone on file for Robert Liu is (909) 427-5000.
What is Robert Liu's medical license number?
Robert Liu holds California license A162213.
Which hospitals is Robert Liu affiliated with?
Robert Liu is affiliated with Fontana Medical Center.
What medical group is Robert Liu part of?
Robert Liu is linked to Southern California Permanente Medical Group.
Does Robert Liu accept Medicare?
Yes. CMS lists Robert Liu as accepting Medicare assignment.
Is Robert Liu board certified?
Yes. Robert Liu is board certified in internal medicine by the American Board of Internal Medicine.
Where did Robert Liu go to medical school?
Robert Liu graduated from Wayne State University School Of Medicine in 2017.
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What drugs does Robert Liu prescribe most?
In 2024 Medicare Part D data, Robert Liu's most prescribed drugs by claims were Oxycodone-Acetaminophen, Levetiracetam and Hydrocodone-Acetaminophen.
Has Robert Liu received payments from drug or device companies?
CMS Open Payments shows $288 in general payments to Robert Liu from 2 companies from 2022 to 2024. The largest total came from DePuy Synthes Sales Inc.
How long has Robert Liu been practicing?
Robert Liu graduated from medical school in 2017, 9 years ago.
What insurance does Robert Liu accept?
Robert Liu is in network with 1 carrier, including CMS Medicare. Medicare plans come from the most carriers, 1. Check the plan with the practice before a visit.
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