Physician
William Tsai D O INC
William Tsai D O INC was paid $32K by Medicaid between Jan 2018 and Nov 2024, across 33 billing codes. Its largest line is G0442, Annual alcohol misuse screening, 5 to 15 minutes — 27% of everything it billed.
33Billing provider infoWILLIAM TSAI D O INC
UPLAND, CA 91786
UPLAND, CA 91786
33aNPI1598876856assigned 08/31/2006
33bProvider typeFamily Medicine Physician
28Total paid$32K
24GClaims15,271
24DCodes billed33
24AFirst – last monthJan 2018 – Nov 2024
Compared with peers
Next to other Family Medicine Physician providers in California
Rank by total paid#984 of 2,511
Median peer was paid$13K
This provider vs. median2.5×
Peers share this provider's primary NPPES type and state. Size alone says nothing about billing quality: a big agency or a hospital system is expected to sit far above the median.
Box 24A · Dates of service
Paid by month
Paid that monthNov–Dec 2024: claims still arriving when the file was cut, so these months run low for every provider
By year, as a table
| Year | Claims | Paid | |
|---|---|---|---|
| 2018 | 850 | $4K | |
| 2019 | 1,195 | $10K | |
| 2020 | 1,019 | $2K | |
| 2021 | 828 | $1K | |
| 2022 | 2,244 | $2K | |
| 2023 | 4,200 | $6K | |
| 2024incomplete | 4,935 | $6K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | 27% | 607 | 605 | $9K |
| 99308 | Subsequent nursing facility care, per day, straightforward | 22% | 473 | 398 | $7K |
| 99497 | 15% | 363 | 290 | $5K | |
| 99232 | Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity | 11% | 111 | 52 | $4K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 11% | 3,782 | 3,609 | $4K |
| 99442 | 5.5% | 773 | 743 | $2K | |
| 99223 | Prolong inpt eval add15 m | 3.7% | 23 | 23 | $1K |
| 90658 | 3.0% | 82 | 80 | $941.67 | |
| 99238 | Hospital discharge day management, 30 minutes or less | 1.4% | 19 | 19 | $443.68 |
| 99214 | Doctor's office visit, returning patient (more involved)Office or other outpatient visit for the evaluation and management of an established patient, moderate complexity | <1% | 62 | 60 | $108.71 |
| 99443 | <1% | 104 | 102 | $64.28 | |
| G8510 | Screening for depression is documented as negative, a follow-up plan is not required | <1% | 131 | 131 | $53.06 |
21 more codes
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 103 | $13.78 |
| 96127 | <1% | 150 | $10.05 | |
| 3078F | <1% | 331 | $0.01 | |
| 3074F | <1% | 501 | $0.01 | |
| 1160F | 0% | 1,983 | $0.00 | |
| 3725F | 0% | 294 | $0.00 | |
| 99203 | Doctor's office visit, new patient (routine) | 0% | 25 | $0.00 |
| 99408 | 0% | 316 | $0.00 | |
| 1159F | 0% | 2,008 | $0.00 | |
| G8431 | Screening for depression is documented as being positive and a follow-up plan is documented | 0% | 14 | $0.00 |
| G8427 | Eligible clinician attests to documenting in the medical record they obtained, updated, or reviewed the patient's current medications | 0% | 59 | $0.00 |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | 0% | 17 | $0.00 |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | 0% | 25 | $0.00 |
| 3079F | 0% | 103 | $0.00 | |
| 3008F | 0% | 2,234 | $0.00 | |
| 1036F | 0% | 288 | $0.00 | |
| 1220F | 0% | 162 | $0.00 | |
| 96156 | 0% | 14 | $0.00 | |
| 82962 | 0% | 13 | $0.00 | |
| 0545F | 0% | 62 | $0.00 | |
| 3075F | 0% | 39 | $0.00 |
Claims and beneficiary counts add up across code × month rows, so one patient seen every month counts many times. Rows with fewer than 12 claims are suppressed by HHS, so small lines can be missing.
From NPPES
Who's on the registration
Authorized officialTSAI, WILLIAM (PHYSICIAN OWNER)