Dr. Christopher K. Tsai, MD
- Medicare services, 2024
- 2,888
- Medicare patients, 2024
- 853
- Part D claims, 2024
- 1,781
- Publications
- 3
- MIPS score, 2024
- 100
- Practice address
- 1113 Alta Ave, Upland, CA 91786
- Practice phone
- Call (909) 623-3428
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Inland Urology Medical Group Inc
Upland, California
Find Dr. Tsai'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. Christopher K. Tsai is a urologist in Upland, California
Dr. Tsai practices at Inland Urology Medical Group Inc in Upland, California.
Dr. Tsai's NPI, 1457344483, was assigned on August 24, 2005. Dr. Tsai graduated from Loma Linda University School Of Medicine in 1994. Dr. Tsai holds California license A54843.
- NPI
- 1457344483NPI Registry (opens in a new tab)
- Medicare PAC ID
- 7416995717
- NPI enumeration date
- August 24, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Practice phone
- (909) 623-3428
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 58
- Medical school graduation
- 1994
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Christopher K. Tsai practices at Inland Urology Medical Group Inc in Upland, California
Dr. Tsai's primary practice is Inland Urology Medical Group Inc, at 1113 Alta Ave, Upland, CA 91786 in San Bernardino County. The practice phone is (909) 623-3428.
- Inland Urology Medical Group Inc1113 Alta Ave, Upland, CA 91786 · San Bernardino CountyPhone(909) 623-3428
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Christopher K. Tsai is affiliated with 6 sites of care and 3 medical groups
Dr. Tsai's primary practice is Inland Urology Medical Group Inc in Upland, California. Dr. Tsai is also affiliated with San Antonio Regional Hospital. The medical group on file is Inland Urology Medical Group, Inc. Dmand AI also links Dr. Tsai to 1 more hospital, 3 group practices and clinics and 2 medical groups, each 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 Dr. Christopher K. Tsai's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Tsai practices, 5 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Inland Urology Medical Group Inc | Available with a free account |
| +5 more sites and 2 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Christopher K. Tsai is one of 1,395 urologists in California
Urology is Dr. Tsai's primary specialty in the NPI Registry, under taxonomy code 208800000X. Dr. Tsai is board certified in urology by the American Board of Urology. Dr. Tsai is licensed in California.
Specialties and state licenses
- Urology, CaliforniaPrimary
Clinical focus
Dmand AI lists bladder disease, enlarged prostate, enlarged prostate transurethral surgery (TURP), erectile dysfunction, kidney cysts, kidney removal surgery, kidney stone disease and prostate cancer among the conditions Dr. Tsai treats.
Urologists near Dr. Tsai
Counts of urologists 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. Christopher K. Tsai billed Medicare for 2,888 services in 2024
CMS data shows 2,888 Medicare services from Dr. Tsai across 15 procedure codes in 2024, for 853 Medicare patients. Medicare paid $200,958 for them.
Dr. Tsai's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 2,1072024: 1,63223%
- Lab and pathology
- 2023: 5012024: 84969%
- Surgery
- 2023: 3012024: 17741%
- Drugs given in the office
- 2023: 1912024: 15320%
- Tests and treatments
- 2023: 612024: 4723%
- Imaging
- 2023: 482024: 3038%
Where Dr. Tsai's Medicare services took place, 2024
- In an office2,81097%
- In a facility783%
Dr. Tsai compared with the California median for urologists, 2024
- Dr. Tsai
- California median
- Medicare services
- 2,888vs 1,0502.8 times
- Medicare patients
- 853vs 3462.5 times
- Part D claims
- 1,708vs 6422.7 times
Medians across 1,310 urologists in California with Dmand AI profiles that report each measure.
Dr. Tsai'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.
Need commercial claims for Dr. Tsai?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Tsai and other urologists in California.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Christopher K. Tsai treated 853 Medicare patients in 2024, average age 76
CMS counts 853 Medicare patients who saw Dr. Tsai in 2024. The largest group is 75 to 84, with 367 patients. 75% of them have high blood pressure, and 75% have high cholesterol. 14% are also on Medicaid. Their average risk score is 1.27, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Tsai's median patient age at 69, with 28% women.
Dr. Tsai's Medicare patients by age, 2024
Dr. Tsai's Medicare patients by sex, 2024
- Women20925%
- Men64475%
Chronic conditions among Dr. Tsai's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis45%
- Ischemic heart disease42%
- Diabetes38%
- Chronic kidney disease35%
- Cancer24%
- Heart failure23%
Share of Medicare patients with each condition. A patient can have several.
Dr. Tsai's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women28%
- Men71%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Christopher K. Tsai wrote 1,781 Medicare Part D claims in 2024
In 2024, Dr. Tsai wrote 1,781 Medicare Part D claims for 467 patients. 88% of them were for generic drugs. CMS names the drug for 1,708 of them, across 25 drugs with 11 or more claims each, at $222,341 in total drug cost. In 2023, CMS named 1,805 claims across 29 drugs.
Dr. Tsai's Part D claims by kind of drug, 2024
- Generic1,563 claims88%
- Brand-name and other218 claims12%
Dr. Tsai'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. Tsai's Part D claims, 2024
- Opioids2%33 of 1,781 claims
- Antibiotics9%153 of 1,781 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: 1,8052024: 1,7085%
Drugs named by CMS: 25 in 2024, 29 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. Christopher K. Tsai scored 100 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 100 out of 100 for Dr. Tsai for performance year 2024, reported as part of a group. Dr. Tsai accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Tsai as offering telehealth.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Tsai's MIPS scores, performance year 2024
- 100of 100Final score
- 90.9of 100Quality
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Hernia repair (minimally invasive): 1 to 10 procedures (CMS shows small counts as a range)
Prostate resection: 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. Christopher K. Tsai has 3 publications on record
Dmand AI links 3 papers to Dr. Tsai. Dr. Tsai's most frequent co-authors are Premal Jitendra Desai, MD, Forrest C. Jellison, MD and Paul D. Lui, MD.
Dr. Tsai's most frequent co-authors
- Premal Jitendra Desai, MD1 shared paper
- Forrest C. Jellison, MD1 shared paper
- Paul D. Lui, MD1 shared paper
Recent publications by Dr. Tsai
J Urol
See who Dr. Tsai researches with
Physician Network Discovery turns co-authorship, shared hospitals and shared groups into a map of who Dr. Tsai works with, so you can find a warm path to the right urologists.
Sources: PubMed (National Library of Medicine); and Dmand AI Research Linkage
Dr. Christopher K. Tsai received $7,184 in industry payments from 2016 to 2025
CMS Open Payments shows 358 general payments to Dr. Tsai from 54 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 95% of the total. Astellas Pharma US Inc paid the most, $985.
General payments to Dr. Tsai by program year, 2016 to 2025
General payments to Dr. Tsai by kind, 2016 to 2025
- Food and beverage$6,85795%
- Education$3275%
Companies that paid Dr. Tsai the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Christopher K. Tsai has 3 awards and honors on record
Dmand AI lists 3 awards for Dr. Tsai, most recently CMS Stage 1 EHR in 2014.
Awards and honors for Dr. Tsai
- 2014
- CMS Stage 1 EHR
- Undated
- ACS Fellow
- Checkbook Top Doc
Source: Dmand AI Professional Profile Data
Dr. Christopher K. Tsai graduated from Loma Linda University School Of Medicine
Dr. Tsai graduated from Loma Linda University School Of Medicine in 1994. Dr. Tsai is a member of ACS.
- Medical school
- Board certified in urology
Source: Dmand AI Professional Profile Data
Dr. Christopher K. Tsai accepts plans from 17 insurance carriers
Dr. Tsai is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
- Aetna
- Blue Cross Blue Shield of Michigan
- United Healthcare
- Elevance
- HCSC
- LA Care
- Blue Cross Blue Shield of Massachusetts
- Molina
- +9 more carriersWith a free account
Plan types Dr. Tsai accepts, by number of carriers
- HMO9
- Medicare9
- PPO9
- EPO4
- POS4
- Medicaid1
Source: Dmand AI Insurance Network Data
Sources for Dr. Christopher K. Tsai'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 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)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (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. Christopher K. Tsai
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. Christopher K. Tsai's NPI number?
Dr. Christopher K. Tsai's NPI number is 1457344483. It was assigned on August 24, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. Christopher K. Tsai?
Dr. Christopher K. Tsai is a urologist in Upland, California. The primary specialty in the NPI Registry is Urology Physician (taxonomy code 208800000X).
Where does Dr. Christopher K. Tsai practice?
Dr. Tsai practices at 1113 Alta Ave, Upland, CA 91786. Dr. Tsai's primary practice is Inland Urology Medical Group Inc in Upland, California. Dmand AI also links Dr. Tsai to 1 hospital, 3 group practices and clinics and 2 medical groups.
What is Dr. Christopher K. Tsai's office phone number?
The practice phone on file for Dr. Tsai is (909) 623-3428.
What is Dr. Christopher K. Tsai's medical license number?
Dr. Tsai holds California license A54843.
Which hospitals is Dr. Christopher K. Tsai affiliated with?
Dr. Tsai is affiliated with San Antonio Regional Hospital. Dmand AI links Dr. Tsai to 1 more hospital.
What medical group is Dr. Christopher K. Tsai part of?
Dr. Tsai is linked to Inland Urology Medical Group, Inc. Dmand AI links Dr. Tsai to 2 more medical groups.
Does Dr. Christopher K. Tsai accept Medicare?
Yes. CMS data shows Dr. Tsai billed Medicare for 2,888 services in 2024, and Dr. Tsai accepts Medicare assignment.
Does Dr. Christopher K. Tsai offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Tsai as offering telehealth services.
What is Dr. Christopher K. Tsai's MIPS score?
Dr. Tsai's MIPS final score for performance year 2024 is 100 out of 100, reported as part of a group.
Show 10 more questionsShow fewer questions
How many Medicare patients does Dr. Christopher K. Tsai see?
CMS counts 853 Medicare patients who saw Dr. Tsai in 2024, with an average age of 76.
Is Dr. Christopher K. Tsai board certified?
Yes. Dr. Tsai is board certified in urology by the American Board of Urology.
What services does Dr. Christopher K. Tsai bill to Medicare?
In 2024, Dr. Tsai's most billed Medicare services were office visit, established patient (99214), lab and pathology test (81002) and injected or infused drug (J9217).
Where did Dr. Christopher K. Tsai go to medical school?
Dr. Tsai graduated from Loma Linda University School Of Medicine in 1994.
What drugs does Dr. Christopher K. Tsai prescribe most?
In 2024 Medicare Part D data, Dr. Tsai's most prescribed drugs by claims were Tamsulosin HCl, Finasteride and Gemtesa.
Has Dr. Christopher K. Tsai received payments from drug or device companies?
CMS Open Payments shows $7,184 in general payments to Dr. Tsai from 54 companies from 2016 to 2025. The largest total came from Astellas Pharma US Inc.
How long has Dr. Christopher K. Tsai been practicing?
Dr. Tsai graduated from medical school in 1994, 32 years ago.
Does Dr. Christopher K. Tsai do research?
Dmand AI links 3 publications to Dr. Tsai.
Who does Dr. Christopher K. Tsai publish with?
Dr. Tsai's most frequent co-authors are Premal Jitendra Desai, MD (1 shared paper), Forrest C. Jellison, MD (1 shared paper) and Paul D. Lui, MD (1 shared paper).
What insurance does Dr. Christopher K. Tsai accept?
Dr. Tsai is in network with 17 carriers, including Aetna, Blue Cross Blue Shield of Michigan and United Healthcare. HMO plans come from the most carriers, 9. Check the plan with the practice before a visit.
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