Cardiovascular DiseasesDiagnosis-Related GroupsHospital Mortality
Dr. Andy Chuu, MD
NPI1639565286PAC ID1658685144
- Medicare services, 2022
- 287
- Medicare patients, 2024
- 20
- Part D claims, 2024
- 311
- Publications
- 4
- Hospital affiliations
- 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. Chuu's professional email, personal email and mobile number
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Dr. Andy Chuu is a nephrologist in Fontana, California
Dr. Chuu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California.
Dr. Chuu's NPI, 1639565286, was assigned on April 10, 2015. Dr. Chuu graduated from College of Medicine - Tucson in 2015. Dr. Chuu holds California license A193223.
NPI and contact details
- NPI
- 1639565286NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1658685144
- NPI enumeration date
- April 10, 2015
- 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
- 37
- Medical school graduation
- 2015
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Andy Chuu practices at Kaiser Permanente - Fontana Medical Center in Fontana, California
Dr. Chuu'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. Andy Chuu is affiliated with 2 sites of care and 2 medical groups
Dr. Chuu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dr. Chuu is also affiliated with Fontana Medical Center. The medical group on file is Southern California Permanente Medical Group. Dmand AI also links Dr. Chuu to 1 more medical group, named with a free account.
Kaiser Permanente - Fontana Medical CenterPrimary
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. Andy Chuu's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Chuu 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 site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Andy Chuu is one of 1,401 nephrologists in California
Nephrology is Dr. Chuu's primary specialty in the NPI Registry, under taxonomy code 207RN0300X. Dr. Chuu is board certified in internal medicine by the American Board of Internal Medicine. Dmand AI has Dr. Chuu's licenses on file in 3 states: California, Arizona and Missouri.
Specialties and state licenses
- Nephrology, CaliforniaPrimary
- Arizona license
- Missouri license
Nephrologists near Dr. Chuu
Counts of nephrologists 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. Andy Chuu billed Medicare for 287 services in 2022
CMS data shows 287 Medicare services from Dr. Chuu across 4 procedure codes in 2022, for 20 Medicare patients. Medicare paid $20,844 for them. Every service was in a facility, such as a hospital, rather than an office.
Medicare services, 2022287
Medicare patients20
Paid by Medicare$20,844
Procedure codes4
Dr. Chuu's Medicare services by type, 2021 to 2022
- 2021
- 2022
- Office and hospital visits
- 2021: 712022: 222213%
- Tests and treatments
- 2021: 212022: 65210%
Dr. Chuu compared with the California median for nephrologists, 2022
- Dr. Chuu
- California median
- Medicare services
- 287vs 1,08474% below
- Medicare patients
- 20vs 30793% below
- Part D claims
- 189vs 95580% below
Medians across 1,355 nephrologists in California with Dmand AI profiles that report each measure.
Dr. Chuu'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.
Need commercial claims for Dr. Chuu?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Chuu and other nephrologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Andy Chuu treated 20 Medicare patients in 2024, average age 59
CMS counts 20 Medicare patients who saw Dr. Chuu in 2024. 75% of them have chronic kidney disease, and 75% have diabetes. Their average risk score is 6.66, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Chuu's median patient age at 65, with 55% women.
Medicare patients, 202420
Average age59
Average risk score6.66
Chronic conditions among Dr. Chuu's Medicare patients, 2024
- Chronic kidney disease75%
- Diabetes75%
- High blood pressure75%
- High cholesterol75%
Share of Medicare patients with each condition. A patient can have several.
Dr. Chuu's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 65
Patient panel by sex, all payers
- Women55%
- Men45%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Andy Chuu wrote 311 Medicare Part D claims in 2024
In 2024, Dr. Chuu wrote 311 Medicare Part D claims for 146 patients. 90% of them were for generic drugs. CMS names the drug for 189 of them, across 9 drugs with 11 or more claims each, at $9,716 in total drug cost. In 2021, CMS named 11 claims across 1 drug.
Part D claims, 2024311
Drugs named by CMS9
Total drug cost$9,716
Part D patients146
Dr. Chuu's Part D claims by kind of drug, 2024
- Generic279 claims90%
- Brand-name32 claims10%
Dr. Chuu'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.
Part D claims for drugs CMS names, 2021 to 2024
- 2021
- 2024
- Claims for drugs CMS names
- 2021: 112024: 1891618%
Drugs named by CMS: 9 in 2024, 1 in 2021.
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. Andy Chuu takes part in Medicare
Dr. Chuu 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. Andy Chuu has 4 publications on record
Dmand AI links 4 papers to Dr. Chuu in 2017. 2017 was the busiest year, with 2. Dr. Chuu's most frequent co-authors are William J. Adamas-Rappaport, MD, Ingrid J. Pritchard, MD and Christopher Trautman, MD.
Papers4
Dr. Chuu's most frequent co-authors
- William J. Adamas-Rappaport, MD2 shared papers
- Ingrid J. Pritchard, MD2 shared papers
- Christopher Trautman, MD2 shared papers
Recent publications by Dr. Chuu
See who Dr. Chuu researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Chuu works with, so you can find a warm path to the right nephrologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Andy Chuu graduated from College of Medicine - Tucson
Dr. Chuu graduated from College of Medicine - Tucson in 2015.
- Medical school
- Board certified in internal medicine
- Board certified in nephrology
Source: Dmand AI Professional Profile Data
Dr. Andy Chuu accepts plans from 3 insurance carriers
Dr. Chuu is in network with 3 carriers, including Cigna, Kaiser Permanente and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
- Cigna
- Kaiser Permanente
- CMS Medicare
Plan types Dr. Chuu accepts, by number of carriers
- HMO2
- Medicare2
- EPO1
- POS1
- PPO1
Source: Dmand AI Insurance Network Data
Sources for Dr. Andy Chuu'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 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 |
| 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. Andy Chuu
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. Andy Chuu's NPI number?
Dr. Andy Chuu's NPI number is 1639565286. It was assigned on April 10, 2015, and it is active in the NPI Registry.
What kind of doctor is Dr. Andy Chuu?
Dr. Andy Chuu is a nephrologist in Fontana, California. The primary specialty in the NPI Registry is Nephrology Physician (taxonomy code 207RN0300X).
Where does Dr. Andy Chuu practice?
Dr. Chuu practices at 9965 Sierra Ave, Fontana, CA 92335. Dr. Chuu's primary practice is Kaiser Permanente - Fontana Medical Center in Fontana, California. Dmand AI also links Dr. Chuu to 1 medical group.
What is Dr. Andy Chuu's office phone number?
The practice phone on file for Dr. Chuu is (909) 427-5000.
What is Dr. Andy Chuu's medical license number?
Dr. Chuu holds California license A193223, one of the licenses on file in 3 states.
Which states has Dr. Andy Chuu been licensed in?
Dmand AI has state licenses on file for Dr. Chuu in California (2024 to 2026), Arizona (2016 to 2026) and Missouri (2020 to 2026).
Which hospitals is Dr. Andy Chuu affiliated with?
Dr. Chuu is affiliated with Fontana Medical Center.
What medical group is Dr. Andy Chuu part of?
Dr. Chuu is linked to Southern California Permanente Medical Group. Dmand AI links Dr. Chuu to 1 more medical group.
Does Dr. Andy Chuu accept Medicare?
Yes. CMS data shows Dr. Chuu billed Medicare for 287 services in 2022, and Dr. Chuu accepts Medicare assignment.
How many Medicare patients does Dr. Andy Chuu see?
CMS counts 20 Medicare patients who saw Dr. Chuu in 2024, with an average age of 59.
Show 8 more questionsShow fewer questions
Is Dr. Andy Chuu board certified?
Yes. Dr. Chuu is board certified in internal medicine by the American Board of Internal Medicine.
What services does Dr. Andy Chuu bill to Medicare?
In 2022, Dr. Chuu's most billed Medicare services were hospital inpatient care (99232), hospital inpatient care (99233) and dialysis (90935).
Where did Dr. Andy Chuu go to medical school?
Dr. Chuu graduated from College of Medicine - Tucson in 2015.
What drugs does Dr. Andy Chuu prescribe most?
In 2024 Medicare Part D data, Dr. Chuu's most prescribed drugs by claims were Losartan Potassium, Amlodipine Besylate and Potassium Chloride.
How long has Dr. Andy Chuu been practicing?
Dr. Chuu graduated from medical school in 2015, 11 years ago.
Does Dr. Andy Chuu do research?
Dmand AI links 4 publications to Dr. Chuu.
Who does Dr. Andy Chuu publish with?
Dr. Chuu's most frequent co-authors are William J. Adamas-Rappaport, MD (2 shared papers), Ingrid J. Pritchard, MD (2 shared papers) and Christopher Trautman, MD (2 shared papers).
What insurance does Dr. Andy Chuu accept?
Dr. Chuu is in network with 3 carriers, including Cigna, Kaiser Permanente and CMS Medicare. HMO plans come from the most carriers, 2. Check the plan with the practice before a visit.
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