Physician
Son-Ha and Diem-Chi a Medical Corp
Son-Ha and Diem-Chi a Medical Corp was paid $573K by Medicaid between Jan 2018 and Oct 2024, across 19 billing codes. Its largest line is 59409, Vaginal delivery only (with or without episiotomy and/or forceps) — 46% of everything it billed.
33Billing provider infoSON-HA AND DIEM-CHI A MEDICAL CORP
LONG BEACH, CA 90806
LONG BEACH, CA 90806
33aNPI1508895871assigned 06/30/2006
33bProvider typeObstetrics & Gynecology Physician
28Total paid$573K
24GClaims8,793
24DCodes billed19
24AFirst – last monthJan 2018 – Oct 2024
Compared with peers
Next to other Obstetrics & Gynecology Physician providers in California
Rank by total paid#173 of 791
Median peer was paid$67K
This provider vs. median8.6×
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 | 1,426 | $54K | |
| 2019 | 1,133 | $33K | |
| 2020 | 1,318 | $60K | |
| 2021 | 1,322 | $98K | |
| 2022 | 1,098 | $95K | |
| 2023 | 1,716 | $141K | |
| 2024incomplete | 780 | $92K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 59409 | Vaginal delivery only (with or without episiotomy and/or forceps) | 46% | 628 | 627 | $262K |
| 59425 | 24% | 3,841 | 2,216 | $138K | |
| 59514 | 6.9% | 105 | 104 | $40K | |
| 99204 | Doctor's office visit, new patient (more involved)Office or other outpatient visit for the evaluation and management of a new patient, moderate complexity | 5.5% | 767 | 767 | $32K |
| Z1034 | 5.4% | 593 | 365 | $31K | |
| 99203 | Doctor's office visit, new patient (routine)Office or other outpatient visit for the evaluation and management of a new patient, low complexity | 4.5% | 653 | 653 | $26K |
| 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 | 3.9% | 881 | 826 | $23K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 1.2% | 348 | 333 | $7K |
| H1003 | Prenatal care, at-risk enhanced service; education | <1% | 375 | 360 | $5K |
| G8510 | Screening for depression is documented as negative, a follow-up plan is not required | <1% | 253 | 251 | $4K |
| 99215 | Doctor's office visit, returning patient (complex)Prolong outpt/office vis | <1% | 39 | 39 | $4K |
| 88150 | <1% | 123 | 123 | $1K |
7 more codes
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 officialNGUYEN, HA (PRESIDENT)
| Provider | Location | Paid |
|---|---|---|
| Tacoma Foot and Ankle Clinic INC | Tacoma, WA | $234K |
| Excel Dental PLLC | Oklahoma City, OK | $56K |
Matched on the authorized-official name exactly as entered in NPPES. A common name can match unrelated people.