Physician
Joon Choi MD a Professional Corporation
Joon Choi MD a Professional Corporation was paid $1.51M by Medicaid between Jan 2018 and Oct 2024, across 43 billing codes. Its largest line is 99203, doctor's office visit, new patient (routine) — 21% of everything it billed.
33Billing provider infoJOON CHOI MD A PROFESSIONAL CORPORATION
GLENDALE, CA 91206
GLENDALE, CA 91206
33aNPI1821278771assigned 11/08/2007
33bProvider typeObstetrics & Gynecology Physician
28Total paid$1.51M
24GClaims49,708
24DCodes billed43
24AFirst – last monthJan 2018 – Oct 2024
Compared with peers
Next to other Obstetrics & Gynecology Physician providers in California
Rank by total paid#89 of 791
Median peer was paid$67K
This provider vs. median23×
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 | 4,785 | $171K | |
| 2019 | 7,693 | $123K | |
| 2020 | 9,137 | $383K | |
| 2021 | 13,566 | $582K | |
| 2022 | 6,795 | $237K | |
| 2023 | 3,970 | $16K | |
| 2024incomplete | 3,762 | $1K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | 21% | 4,374 | 4,326 | $312K |
| 59400 | Routine obstetric care including antepartum care, vaginal delivery, and postpartum care | 15% | 849 | 848 | $225K |
| 99212 | Office or other outpatient visit for the evaluation and management of an established patient, straightforward | 12% | 2,396 | 2,329 | $178K |
| Z1034 | 10% | 2,818 | 1,830 | $154K | |
| 59409 | Vaginal delivery only (with or without episiotomy and/or forceps) | 5.2% | 186 | 186 | $79K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 4.9% | 6,409 | 6,106 | $74K |
| 76813 | 4.2% | 1,331 | 1,263 | $64K | |
| Z1032 | 3.7% | 373 | 373 | $56K | |
| 99202 | Office or other outpatient visit for the evaluation and management of a new patient, straightforward | 3.4% | 286 | 286 | $52K |
| Z6500 | 3.3% | 405 | 405 | $50K | |
| 99211 | Office or other outpatient visit for the evaluation and management of an established patient, minimal severity | 2.4% | 553 | 552 | $36K |
| 58300 | 2.1% | 201 | 183 | $32K |
31 more codes
| 59510 | 2.0% | 128 | $30K | |
| J7300 | Intrauterine copper contraceptive (paragard) | 1.5% | 41 | $23K |
| 59514 | 1.4% | 58 | $21K | |
| H1001 | Prenatal care, at-risk enhanced service; antepartum management | 1.3% | 1,217 | $20K |
| S9445 | Patient education, not otherwise classified, non-physician provider, individual, per session | 1.1% | 2,811 | $17K |
| J3490 | Unclassified drugs | 1.1% | 235 | $16K |
| Z6400 | <1% | 1,110 | $14K | |
| H1002 | Prenatal care, at risk enhanced service; care coordination | <1% | 1,713 | $13K |
| H2000 | Comprehensive multidisciplinary evaluation | <1% | 1,211 | $12K |
| 81025 | <1% | 2,906 | $8K | |
| 76817 | Ultrasound, pregnant uterus, real time with image documentation, transvaginal | <1% | 634 | $8K |
| Z6410 | <1% | 432 | $4K | |
| Z6204 | <1% | 301 | $4K | |
| Z6406 | <1% | 388 | $4K | |
| 99000 | <1% | 769 | $3K | |
| H1003 | Prenatal care, at-risk enhanced service; education | <1% | 4,471 | $2K |
| 97803 | <1% | 1,883 | $1K | |
| 96151 | <1% | 629 | $789.04 | |
| Z6304 | <1% | 84 | $651.78 | |
| H1000 | Prenatal care, at-risk assessment | <1% | 25 | $125.05 |
| 96156 | <1% | 1,606 | $108.29 | |
| 99395 | Periodic comprehensive preventive medicine reevaluation, established patient, 18-39 years | <1% | 189 | $101.87 |
| S9452 | Nutrition classes, non-physician provider, per session | <1% | 893 | $91.63 |
| 99401 | <1% | 1,886 | $33.31 | |
| 88150 | 0% | 24 | $0.00 | |
| 76815 | Ultrasound, pregnant uterus, real time with image documentation, limited | 0% | 14 | $0.00 |
| 99459 | 0% | 44 | $0.00 | |
| 96152 | 0% | 160 | $0.00 | |
| Q0091 | Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | 0% | 3,612 | $0.00 |
| 99204 | Doctor's office visit, new patient (more involved) | 0% | 27 | $0.00 |
| 59425 | 0% | 26 | $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 officialCHOI, JOON (CEO)
| Provider | Location | Paid |
|---|---|---|
| Joon Choi, MD. Apc | Panorama City, CA | $5.91M |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.