Dr. David C. Liu, MD
- Medicare services, 2022
- 43
- Part D claims, 2024
- 129
- Hospital affiliations
- 1
- Industry payments
- $780
- Medical group
- 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 Dr. Liu's professional email, personal email and mobile number
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Dr. David C. Liu is an internist in Fontana, California
Dr. Liu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Liu's NPI, 1073661856, was assigned on January 8, 2007. Dr. Liu graduated from Saint Louis University School Of Medicine in 1996. Dr. Liu holds California license A63050.
- NPI
- 1073661856NPI Registry (opens in a new tab)
- Medicare PAC ID
- 0547320905
- NPI enumeration date
- January 8, 2007
- 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
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. David C. Liu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. 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
Dr. David C. Liu is affiliated with 2 sites of care and 1 medical group
Dr. Liu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Liu is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. David C. 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.
| Site | EHR vendor and product |
|---|---|
| Kaiser Permanente - Fontana Medical Center | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. David C. Liu is one of 16,751 internists in California
Internal medicine is Dr. Liu's primary specialty in the NPI Registry, under taxonomy code 207R00000X. Dr. Liu is board certified in internal medicine by the American Board of Internal Medicine. Dr. Liu is licensed in California.
Specialties and state licenses
- Internal medicine, CaliforniaPrimary
Clinical focus
Dmand AI lists sepsis among the conditions Dr. Liu treats.
Internists near Dr. 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
Dr. David C. Liu billed Medicare for 43 services in 2022
CMS data shows 43 Medicare services from Dr. Liu across 1 procedure code in 2022. Medicare paid $2,516 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Liu compared with the California median for internists, 2022
- Dr. Liu
- California median
- Medicare services
- 43vs 36188% below
- Part D claims
- 145vs 42166% below
Medians across 15,815 internists in California with Dmand AI profiles that report each measure.
Dr. Liu's most billed Medicare procedure codes, 2022
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 internists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. David C. Liu's patients have a median age of 72
Across all payers, Dmand AI patient panel data puts Dr. Liu's median patient age at 72, with 51% 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 72
Patient panel by sex, all payers
- Women51%
- Men49%
Source: Dmand AI Patient Panel Data
Dr. David C. Liu wrote 129 Medicare Part D claims in 2024
In 2024, Dr. Liu wrote 129 Medicare Part D claims for 61 patients. 71% of them were for generic drugs. They cover 9 drugs, with $5,491 in total drug cost. In 2022, CMS named 104 claims across 7 drugs.
Dr. Liu's Part D claims by kind of drug, 2024
- Generic92 claims71%
- Brand-name37 claims29%
Dr. Liu's most prescribed drugs by claims, 2023
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
- Antibiotics13%17 of 129 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, 2022 to 2023
- 2022
- 2023
- Claims for drugs CMS names
- 2022: 1042023: 14539%
Drugs named by CMS: 9 in 2023, 7 in 2022.
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 Dr. David C. Liu takes part in Medicare
Dr. 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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Dr. David C. Liu received $780 in industry payments from 2016 to 2017
CMS Open Payments shows 8 general payments to Dr. Liu from 4 drug and device companies from 2016 to 2017. Food and beverage make up the largest share, 100% of the total. Relypsa, Inc. paid the most, $336.
General payments to Dr. Liu by program year, 2016 to 2017
Companies that paid Dr. Liu the most, 2016 to 2017
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. David C. Liu graduated from Saint Louis University School Of Medicine
Dr. Liu graduated from Saint Louis University School Of Medicine in 1996.
- Medical school
- Board certified in internal medicine
Source: Dmand AI Professional Profile Data
Dr. David C. Liu accepts plans from 2 insurance carriers
Dr. Liu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Liu accepts, by number of carriers
- EPO1
- HMO1
- Medicare1
- POS1
Source: Dmand AI Insurance Network Data
Sources for Dr. David C. 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 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 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 Dr. David C. 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. David C. Liu's NPI number?
Dr. David C. Liu's NPI number is 1073661856. It was assigned on January 8, 2007, and it is active in the NPI Registry.
What kind of doctor is Dr. David C. Liu?
Dr. David C. Liu is an internist in Fontana, California. The primary specialty in the NPI Registry is Internal Medicine Physician (taxonomy code 207R00000X).
Where does Dr. David C. Liu practice?
Dr. Liu practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Liu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California.
What is Dr. David C. Liu's office phone number?
The practice phone on file for Dr. Liu is (909) 427-5000.
What is Dr. David C. Liu's medical license number?
Dr. Liu holds California license A63050.
Which hospitals is Dr. David C. Liu affiliated with?
Dr. Liu is affiliated with Fontana Medical Center.
What medical group is Dr. David C. Liu part of?
Dr. Liu is linked to Southern California Permanente Medical Group.
Does Dr. David C. Liu accept Medicare?
Yes. CMS data shows Dr. Liu billed Medicare for 43 services in 2022, and Dr. Liu accepts Medicare assignment.
Is Dr. David C. Liu board certified?
Yes. Dr. Liu is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. David C. Liu bill to Medicare?
In 2022, Dr. Liu's most billed Medicare services were hospital inpatient care (99232).
Show 5 more questionsShow fewer questions
Where did Dr. David C. Liu go to medical school?
Dr. Liu graduated from Saint Louis University School Of Medicine in 1996.
What drugs does Dr. David C. Liu prescribe most?
In 2023 Medicare Part D data, Dr. Liu's most prescribed drugs by claims were Omeprazole, Cefpodoxime Proxetil and Furosemide.
Has Dr. David C. Liu received payments from drug or device companies?
CMS Open Payments shows $780 in general payments to Dr. Liu from 4 companies from 2016 to 2017. The largest total came from Relypsa, Inc.
How long has Dr. David C. Liu been practicing?
Dr. Liu graduated from medical school in 1996, 30 years ago.
What insurance does Dr. David C. Liu accept?
Dr. Liu is in network with 2 carriers, including Kaiser Permanente and CMS Medicare. EPO plans come from the most carriers, 1. Check the plan with the practice before a visit.
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