Physician
Greg Shih-Han Yen Medical Corp
Greg Shih-Han Yen Medical Corp was paid $75K by Medicaid between May 2019 and Sep 2024, across 7 billing codes. Its largest line is 93306, Echocardiography, transthoracic, real-time with image documentation, with and without Doppler, complete — 50% of everything it billed.
33Billing provider infoGREG SHIH-HAN YEN MEDICAL CORP
ALHAMBRA, CA 91801
ALHAMBRA, CA 91801
33aNPI1265864185assigned 08/01/2013
33bProvider typeInternal Medicine Physician
28Total paid$75K
24GClaims2,720
24DCodes billed7
24AFirst – last monthMay 2019 – Sep 2024
Compared with peers
Next to other Internal Medicine Physician providers in California
Rank by total paid#739 of 2,679
Median peer was paid$13K
This provider vs. median5.9×
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 | 568 | $22K | |
| 2020 | 340 | $12K | |
| 2021 | 368 | $14K | |
| 2022 | 648 | $15K | |
| 2023 | 638 | $9K | |
| 2024incomplete | 158 | $2K |
Box 24 · Service lines
What it billed for
| Code | Service | Share | Claims | Bene. records | Paid |
|---|---|---|---|---|---|
| 93306 | Echocardiography, transthoracic, real-time with image documentation, with and without Doppler, complete | 50% | 621 | 620 | $37K |
| 99213 | Doctor's office visit, returning patient (routine)Office or other outpatient visit for the evaluation and management of an established patient, low complexity | 28% | 1,177 | 1,163 | $21K |
| 99232 | Hospital visit by a doctor, follow-up daySubsequent hospital care, per day, moderate complexity | 11% | 691 | 151 | $9K |
| 99222 | Initial hospital care, per day, moderate complexity | 4.9% | 31 | 30 | $4K |
| 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 | 3.5% | 102 | 102 | $3K |
| 93000 | 1.4% | 82 | 82 | $1K | |
| 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 | <1% | 16 | 16 | $620.10 |
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 officialYEN, GREG (CEO)