Obstetrics & Gynecology, Gynecology · Newport Beach, CA
NPI
1528042397
Since 2005
Specialty
Obstetrics & Gynecology, Gynecology
Code 207VG0400X
Group practices
0
Medicare group memberships
Hospitals
4
Hospital affiliations
901 Dover Dr, Suite 214
Newport Beach, CA, 92660
Phone (949) 631-1333
Medicare paid, 2024
$70K
1,245 services
Medicare patients, 2024
476
Average age 74
Drug cost, 2024
$134K
1,251 prescriptions
Company payments, 2025
$499
From 6 companies
Procedures and visits billed to Original Medicare, 2024
In 2024, the most common Medicare service billed by Christine Chai was code G0328 (colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous), 388 times for 388 patients. In total Christine Chai billed 1,245 services in 14 codes, and Medicare paid $70K.
Official US government data: the national provider registry and Medicare enrollment records, linked by NPI. Last update of this record: 2010-10-06.
| Code | Setting | Services | Patients | Paid per service | Medicare paid |
|---|
| G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | Office | 388 | 388 | $17.69 | $6,864 |
| 99213 Office E&M - Established | Office | 288 | 247 | $72.16 | $21K |
| 99214 Office E&M - Established | Office | 243 | 241 | $102.60 | $25K |
| G0101 Cervical or vaginal cancer screening; pelvic and clinical breast examination | Office | 208 | 208 | $42.45 | $8,829 |
| Q0091 Screening papanicolaou smear; obtaining, preparing and conveyance of cervical or vaginal smear to laboratory | Office | 66 | 66 | $49.47 | $3,265 |
| 99442 Telephone Services | Office | 19 | 19 | $78.22 | $1,486 |
| 99443 Telephone Services | Office | 11 | 11 | $110.51 | $1,216 |
By year: 2022 $67K for 1,112 services; 2023 $73K for 1,285 services; 2024 $70K for 1,245 services.
Lab tests billed to Medicare, 2024
| Test code | Tests | Patients | Paid per test | Medicare paid |
|---|---|---|---|---|
| G0328 Colorectal cancer screening; fecal occult blood test, immunoassay, 1-3 simultaneous | 388 | 388 | $17.69 | $6,864 |
Medicare prescription drug claims, 2024
In 2024, the drug Christine Chai prescribed most often to Medicare patients was Estradiol, with 199 prescriptions and refills. In total Christine Chai wrote 1,251 Medicare prescriptions that cost $134K.
| Drug | Claims | 30-day fills | Patients | Cost |
|---|---|---|---|---|
| Estradiol Generic | 199 | 512 | 79 | $14K |
| Progesterone Progesterone, Micronized | 188 | 444 | 46 | $6,088 |
| Estradiol (Twice Weekly) Estradiol | 88 | 196 | 32 | $8,516 |
| Yuvafem Estradiol | 59 | 133 | 24 | $9,820 |
| Acyclovir Generic | 47 | 65 | 13 | $659 |
| Valacyclovir Valacyclovir Hcl | 47 | 107 | 21 | $2,394 |
| Nitrofurantoin Mono-Macro Nitrofurantoin Monohyd/M-Cryst | 36 | 36 | 31 | $514 |
| Estring Estradiol | 33 | 91 | 12 | $17K |
| Alprazolam Generic | 28 | 28 | Under 11 | $85.25 |
| Fluconazole Generic | 25 | 25 | 18 | $68.97 |
| Levothyroxine Sodium Generic | 24 | 38 | Under 11 | $901 |
| Vivelle-Dot Estradiol | 22 | 44 | Under 11 | $6,598 |
| Premarin Estrogens, Conjugated | 22 | 67 | Under 11 | $10K |
| Dotti Estradiol | 22 | 40 | Under 11 | $2,289 |
| Estradiol (Once Weekly) Estradiol | 21 | 44 | Under 11 | $1,998 |
Brand drugs: 251 claims; generic drugs: 1,000 claims.
Money and other things of value reported by the companies
In 2025, drug and medical device companies paid Christine Chai $499 ($499 in general payments such as food, travel and fees) from 6 companies. The largest payer was Mayne Pharma Commercial LLC with $372.
Official US government data on Original Medicare services, Medicare prescription drug plans and the payments drug and device companies must report. Services with fewer than 11 patients and drugs with fewer than 11 claims are not published. Procedure codes are shown by number with their public category.