Physician
Nguyen, Tammy
Nguyen, Tammy was paid $3.24M by Medicaid between Jul 2019 and Aug 2023, across 50 billing codes. Its largest line is J7307, Etonogestrel (contraceptive) implant system, including implant and supplies — 19% of everything it billed.
33Billing provider infoNGUYEN, TAMMY
SANTA ANA, CA 92705
SANTA ANA, CA 92705
33aNPI1699113829assigned 06/10/2013
33bProvider typeFamily Medicine Physician
28Total paid$3.24M
24GClaims70,647
24DCodes billed50
24AFirst – last monthJul 2019 – Aug 2023
Compared with peers
Next to other Family Medicine Physician providers in California
Rank by total paid#90 of 2,511
Median peer was paid$13K
This provider vs. median252×
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 | |
|---|---|---|---|
| 2019 | 4,760 | $197K | |
| 2020 | 6,539 | $238K | |
| 2021 | 20,267 | $868K | |
| 2022 | 27,240 | $1.32M | |
| 2023 | 11,841 | $616K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| J7307 | Etonogestrel (contraceptive) implant system, including implant and supplies | 19% | 756 | 736 | $615K |
| S4993 | Contraceptive pills for birth control | 15% | 2,465 | 2,420 | $485K |
| 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 | 11% | 5,785 | 5,387 | $370K |
| 87491 | Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe | 8.9% | 7,237 | 7,098 | $290K |
| 87591 | Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe | 8.5% | 7,228 | 7,088 | $276K |
| J7304 | Contraceptive supply, hormone containing patch, each | 5.6% | 180 | 179 | $182K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 5.2% | 5,437 | 5,102 | $170K |
| J1050 | Injection, medroxyprogesterone acetate, 1 mg | 4.9% | 2,355 | 2,207 | $160K |
| J3490 | Unclassified drugs | 4.5% | 5,688 | 5,449 | $145K |
| S0199 | Medically induced abortion by oral ingestion of medication including all associated services and supplies (e.g., patient counseling, office visits, confirmation of pregnancy by hcg, ultrasound to confirm duration of pregnancy, ultrasound to confirm completion of abortion) except drugs | 3.3% | 185 | 178 | $107K |
| A4267 | Contraceptive supply, condom, male, each | 1.8% | 5,209 | 5,013 | $59K |
| 87806 | 1.5% | 2,070 | 2,051 | $47K |
38 more codes
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 1.3% | 1,500 | $42K |
| 99204 | Doctor's office visit, new patient (more involved) | 1.1% | 279 | $34K |
| 11981 | <1% | 158 | $27K | |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 281 | $26K |
| 11976 | <1% | 486 | $25K | |
| 81025 | <1% | 8,620 | $24K | |
| Q3014 | Telehealth originating site facility fee | <1% | 1,326 | $22K |
| 96156 | <1% | 309 | $20K | |
| 58300 | <1% | 196 | $16K | |
| 90674 | <1% | 511 | $16K | |
| 76817 | Ultrasound, pregnant uterus, real time with image documentation, transvaginal | <1% | 179 | $13K |
| 90651 | <1% | 50 | $13K | |
| S0190 | Mifepristone, oral, 200 mg | <1% | 167 | $12K |
| 99203 | Doctor's office visit, new patient (routine) | <1% | 114 | $10K |
| Q0111 | Wet mounts, including preparations of vaginal, cervical or skin specimens | <1% | 2,045 | $8K |
| 99000 | <1% | 1,964 | $7K | |
| 83986 | <1% | 2,042 | $6K | |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | <1% | 238 | $5K |
| 59425 | <1% | 50 | $3K | |
| 81002 | <1% | 857 | $2K | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 686 | $1K |
| 99385 | <1% | 12 | $1K | |
| Q0144 | Azithromycin dihydrate, oral, capsules/powder, 1 gram | <1% | 215 | $1K |
| 58301 | <1% | 54 | $1K | |
| 99202 | Office or other outpatient visit for the evaluation and management of a new patient, straightforward | <1% | 13 | $944.72 |
| J0696 | Injection, ceftriaxone sodium, per 250 mg | <1% | 145 | $798.42 |
| S0191 | Misoprostol, oral, 200 mcg | <1% | 168 | $558.85 |
| G0442 | Annual alcohol misuse screening, 5 to 15 minutes | <1% | 120 | $456.90 |
| 83036 | Hemoglobin; glycosylated (A1C) | <1% | 41 | $100.88 |
| 85018 | <1% | 30 | $62.97 | |
| S5000 | Prescription drug, generic | <1% | 2,629 | $11.36 |
| S0197 | Prenatal vitamins, 30-day supply | <1% | 18 | $4.77 |
| 1160F | 0% | 141 | $0.00 | |
| 1159F | 0% | 141 | $0.00 | |
| 3078F | 0% | 64 | $0.00 | |
| 3074F | 0% | 80 | $0.00 | |
| 2000F | 0% | 85 | $0.00 | |
| 1036F | 0% | 38 | $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.