Physician
Viet D. Ta, MD & Tiffany L. Quan, MD Medical Associates INC.
Viet D. Ta, MD & Tiffany L. Quan, MD Medical Associates INC. was paid $314K by Medicaid between Jan 2018 and Dec 2023, across 61 billing codes. Its largest line is 99214, doctor's office visit, returning patient (more involved) — 44% of everything it billed.
33Billing provider infoVIET D. TA, MD & TIFFANY L. QUAN, MD MEDICAL ASSOCIATES INC.
RANCHO CUCAMONGA, CA 91730
RANCHO CUCAMONGA, CA 91730
33aNPI1497760987assigned 07/31/2006
33bProvider typePediatrics Physician
28Total paid$314K
24GClaims54,494
24DCodes billed61
24AFirst – last monthJan 2018 – Dec 2023
Compared with peers
Next to other Pediatrics Physician providers in California
Rank by total paid#303 of 1,490
Median peer was paid$15K
This provider vs. median21×
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 | 6,220 | $68K | |
| 2019 | 13,899 | $67K | |
| 2020 | 7,465 | $42K | |
| 2021 | 10,162 | $78K | |
| 2022 | 9,424 | $36K | |
| 2023 | 7,324 | $23K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 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 | 44% | 14,410 | 13,124 | $139K |
| 99391 | Periodic comprehensive preventive medicine reevaluation, established patient, infant (under 1 year) | 7.8% | 431 | 408 | $24K |
| 96110 | Developmental screening, with scoring and documentation, per standardized instrument | 7.7% | 1,071 | 1,036 | $24K |
| 92551 | 6.5% | 3,895 | 3,867 | $20K | |
| 99392 | Periodic comprehensive preventive medicine reevaluation, established patient, early childhood (1-4 years) | 3.5% | 630 | 611 | $11K |
| 99393 | Periodic comprehensive preventive medicine reevaluation, established patient, late childhood (5-11 years) | 3.3% | 1,230 | 1,222 | $10K |
| 0001A | 3.1% | 245 | 241 | $10K | |
| 0002A | 3.0% | 238 | 237 | $9K | |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 2.4% | 4,155 | 3,885 | $8K |
| 99394 | Periodic comprehensive preventive medicine reevaluation, established patient, adolescent (12-17 years) | 2.4% | 1,115 | 1,112 | $7K |
| 90686 | 2.1% | 835 | 827 | $7K | |
| 0011A | 2.0% | 162 | 157 | $6K |
49 more codes
| 0012A | 1.7% | 137 | $5K | |
| 97803 | 1.2% | 2,587 | $4K | |
| 90670 | <1% | 344 | $3K | |
| 90651 | <1% | 207 | $3K | |
| G9920 | Screening performed and negative | <1% | 1,154 | $2K |
| 0134A | <1% | 58 | $2K | |
| 0013A | <1% | 47 | $2K | |
| 0003A | <1% | 43 | $2K | |
| 99203 | Doctor's office visit, new patient (routine) | <1% | 68 | $2K |
| 0124A | <1% | 41 | $2K | |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | <1% | 88 | $2K |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | <1% | 682 | $2K |
| 90685 | <1% | 71 | $1K | |
| 99204 | Doctor's office visit, new patient (more involved) | <1% | 30 | $1K |
| 90698 | <1% | 164 | $1K | |
| 90461 | <1% | 1,210 | $770.00 | |
| 90680 | <1% | 80 | $604.10 | |
| S9451 | Exercise classes, non-physician provider, per session | <1% | 2,032 | $569.30 |
| 90460 | Immunization administration through 18 years of age via any route, first or only component | <1% | 2,665 | $420.00 |
| 99173 | <1% | 3,557 | $361.90 | |
| 90734 | <1% | 36 | $336.00 | |
| 90744 | <1% | 52 | $328.50 | |
| 1220F | <1% | 2,184 | $300.00 | |
| 99406 | <1% | 1,016 | $277.43 | |
| 90715 | <1% | 62 | $271.00 | |
| G8510 | Screening for depression is documented as negative, a follow-up plan is not required | <1% | 2,017 | $169.44 |
| 90620 | <1% | 24 | $129.00 | |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 87 | $128.87 |
| 99188 | <1% | 31 | $106.92 | |
| 90619 | <1% | 60 | $45.00 | |
| 90633 | <1% | 12 | $36.00 | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 247 | $35.32 |
| 1036F | 0% | 423 | $0.00 | |
| 3074F | 0% | 948 | $0.00 | |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | 0% | 730 | $0.00 |
| G0447 | Face-to-face behavioral counseling for obesity, 15 minutes | 0% | 251 | $0.00 |
| 88141 | 0% | 90 | $0.00 | |
| G8420 | Bmi is documented within normal parameters and no follow-up plan is required | 0% | 731 | $0.00 |
| 3044F | 0% | 112 | $0.00 | |
| 3079F | 0% | 161 | $0.00 | |
| G8418 | Bmi is documented below normal parameters and a follow-up plan is documented | 0% | 106 | $0.00 |
| 3078F | 0% | 726 | $0.00 | |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | 0% | 93 | $0.00 |
| G0397 | Alcohol and/or substance (other than tobacco) misuse structured assessment (e.g., audit, dast), and intervention, greater than 30 minutes | 0% | 225 | $0.00 |
| 99072 | 0% | 213 | $0.00 | |
| 99449 | 0% | 18 | $0.00 | |
| G8417 | Bmi is documented above normal parameters and a follow-up plan is documented | 0% | 112 | $0.00 |
| G8511 | Screening for depression documented as positive, follow-up plan not documented, reason not given | 0% | 32 | $0.00 |
| 99448 | 0% | 13 | $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 officialTA, VIET (PRESIDENT)