Physician
Oanh Ngoc Bui DO PA
Oanh Ngoc Bui DO PA was paid $1.91M by Medicaid between Mar 2020 and Dec 2024, across 36 billing codes. Its largest line is 99213, doctor's office visit, returning patient (routine) — 31% of everything it billed.
33Billing provider infoOANH NGOC BUI DO PA
HOUSTON, TX 77065
HOUSTON, TX 77065
33aNPI1033393400assigned 12/20/2007
33bProvider typeObstetrics & Gynecology Physician
28Total paid$1.91M
24GClaims45,716
24DCodes billed36
24AFirst – last monthMar 2020 – Dec 2024
Compared with peers
Next to other Obstetrics & Gynecology Physician providers in Texas
Rank by total paid#33 of 432
Median peer was paid$103K
This provider vs. median18×
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 | |
|---|---|---|---|
| 2020 | 1,838 | $82K | |
| 2021 | 10,159 | $494K | |
| 2022 | 16,765 | $643K | |
| 2023 | 10,234 | $444K | |
| 2024incomplete | 6,720 | $243K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 31% | 17,767 | 11,855 | $591K |
| 59409 | Vaginal delivery only (with or without episiotomy and/or forceps) | 12% | 423 | 415 | $227K |
| 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% | 4,462 | 4,031 | $200K |
| 76830 | Ultrasound, transvaginal | 7.7% | 1,684 | 1,567 | $147K |
| 76815 | Ultrasound, pregnant uterus, real time with image documentation, limited | 7.3% | 3,280 | 3,124 | $140K |
| 76805 | Ultrasound, pregnant uterus, real time with image documentation, fetal and maternal evaluation | 7.0% | 1,325 | 1,285 | $133K |
| 76819 | Fetal biophysical profile; without non-stress testing | 3.8% | 1,537 | 771 | $72K |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | 3.6% | 1,075 | 1,056 | $70K |
| 99238 | Hospital discharge day management, 30 minutes or less | 2.9% | 1,136 | 1,101 | $56K |
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | 2.4% | 856 | 832 | $46K |
| 59430 | 1.8% | 385 | 354 | $33K | |
| 87491 | Infectious agent detection by nucleic acid; Chlamydia trachomatis, amplified probe | 1.5% | 1,253 | 1,201 | $29K |
24 more codes
| 87591 | Infectious agent detection by nucleic acid; Neisseria gonorrhoeae, amplified probe | 1.5% | 1,251 | $29K |
| 99232 | Hospital visit by a doctor, follow-up day | <1% | 461 | $19K |
| 59514 | <1% | 26 | $15K | |
| 87660 | <1% | 1,030 | $14K | |
| 87480 | <1% | 1,034 | $14K | |
| 87510 | <1% | 1,036 | $13K | |
| 96372 | Therapeutic, prophylactic, or diagnostic injection; subcutaneous or intramuscular | <1% | 805 | $8K |
| 76857 | <1% | 232 | $8K | |
| 81025 | <1% | 1,096 | $7K | |
| 76856 | Ultrasound, pelvic (nonobstetric), real time with image documentation; complete | <1% | 77 | $5K |
| 99222 | Initial hospital care, per day, moderate complexity | <1% | 63 | $5K |
| 81003 | <1% | 2,397 | $4K | |
| 90686 | <1% | 199 | $3K | |
| 76817 | Ultrasound, pregnant uterus, real time with image documentation, transvaginal | <1% | 30 | $2K |
| 99385 | <1% | 26 | $2K | |
| 90471 | Immunization administration (includes percutaneous, intradermal, subcutaneous, or intramuscular injections), 1 vaccine | <1% | 199 | $2K |
| 99000 | <1% | 380 | $2K | |
| 99215 | Doctor's office visit, returning patient (complex) | <1% | 27 | $2K |
| 99396 | Periodic comprehensive preventive medicine reevaluation, established patient, 40-64 years | <1% | 19 | $1K |
| 58300 | <1% | 13 | $1K | |
| 99204 | Doctor's office visit, new patient (more involved) | <1% | 17 | $1K |
| 76801 | <1% | 14 | $1K | |
| 11981 | <1% | 12 | $989.64 | |
| 0353U | 0% | 89 | $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 officialBUI, OANH (PHYSICAN)
| Provider | Location | Paid |
|---|---|---|
| Fairfield Ob-Gyn PLLC | Cypress, TX | $167K |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.