THE REGENTS OF THE UNIVERSITY OF CALIFORNIA-IRVINE
INTERNAL MEDICINE · ORANGE, CA · 96 providers · hospital-affiliated · (714) 456-7890
Provider volumes for 99239 — Hospital discharge day management, more than 30 minutes · CY2024
In CY2024, the group billed 28 distinct codes across 2 states to Medicare Part B — 19,610 attributed, disclosed services.
63 clinicians billed under the group: 54 physicians, 9 advanced-practice clinicians.
'Physician' follows Medicare's definition, which includes doctors of medicine, osteopathy, podiatry, optometry, dental medicine, and chiropractic. 'Advanced-practice clinicians' are nurse practitioners, physician assistants, and similar practitioners; 'other clinicians' covers psychologists, therapists, social workers, audiologists, and dietitians. Facility and supplier enrollments — laboratories, ambulance services, imaging suppliers, and the like — are not counted as clinicians here.
In CY2024, the group's attributed volume on 99239 was 2,167 services across 2 billing states.
| NPI | Provider | Credentials | Type | City | St | 99239 services | Beneficiary-episodes | Avg Medicare payment |
|---|---|---|---|---|---|---|---|---|
| 1396240206 | Chow, Kevin | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1205068061 | Khandhar, Shruti | DO | Internal Medicine | Orange | CA | premium | premium | premium |
| 1427589308 | Chari, Neel | M.D. | Internal Medicine | Orange | CA | premium | premium | premium |
| 1346320488 | Duong, Dang Khoa T | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1790348779 | Dekitani, Meghan | MD | Hospitalist | Orange | CA | premium | premium | premium |
| 1629539226 | Mahoney, Roshan | DO | Internal Medicine | Orange | CA | premium | premium | premium |
| 1538496195 | Iyer, Sonali | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1407147440 | Nguyen, Hoang Anh | M.D. | Nephrology | Orange | CA | premium | premium | premium |
| 1659614055 | Lai, Samuel | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1922637966 | Peng, Mavis | MD | Hospitalist | Orange | CA | premium | premium | premium |
| 1033599824 | Tran, Andy | DO | Internal Medicine | Orange | CA | premium | premium | premium |
| 1831330638 | Kalra, Smita | M.D. | Hospitalist | Orange | CA | premium | premium | premium |
| 1801238407 | Ohri, Anuj | M.D. | Hospitalist | Orange | CA | premium | premium | premium |
| 1447783485 | Barsky, Maria | MD | Hospitalist | Orange | CA | premium | premium | premium |
| 1861029001 | Chen, Lauren | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1639259732 | De Alba, Israel | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1013440320 | Shih, Evan | Internal Medicine | Orange | CA | premium | premium | premium | |
| 1962933499 | Agrawal, Garima | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1326373937 | Baraghoush, Afshan | M.D. | Internal Medicine | Orange | CA | premium | premium | premium |
| 1164927463 | Chen, Tianyu | MD | Hospitalist | Orange | CA | premium | premium | premium |
| 1316575483 | Santos, Jasmine | Physician Assistant | Columbia | MO | premium | premium | premium | |
| 1184828444 | Hsieh, Lanny | MD | Infectious Disease | Orange | CA | premium | premium | premium |
| 1376122416 | Abiri, Parinaz | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1194133389 | Harding, Cameron | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1215017462 | Raymundo, Virgil | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1073744546 | Kubomoto, Scott | M.D. | Internal Medicine | Orange | CA | premium | premium | premium |
| 1538159124 | Nisco, Michael | M.D. | Family Practice | Orange | CA | premium | premium | premium |
| 1194119008 | Puttock, Lucas | DO | Internal Medicine | Orange | CA | premium | premium | premium |
| 1366634966 | Watanabe, Miki | M.D. | Internal Medicine | Orange | CA | premium | premium | premium |
| 1730765603 | Gau, Jonathan | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1932631793 | Ahmed, Rasha · member of 2 groups | DO | Hospitalist | Santa Monica | CA | premium | premium | premium |
| 1104211176 | Bussel, Ani · member of 2 groups | M.D. | Hospitalist | Orange | CA | premium | premium | premium |
| 1477180701 | Chua, Frederick · member of 2 groups | M.D. | Internal Medicine | Orange | CA | premium | premium | premium |
| 1497980932 | Darwish, Omar · member of 2 groups | D.O. | Internal Medicine | Orange | CA | premium | premium | premium |
| 1306474127 | Fung, Christine · member of 2 groups | Internal Medicine | Orange | CA | premium | premium | premium | |
| 1689968224 | Hann, John · member of 2 groups | M.D. | Family Practice | Orange | CA | premium | premium | premium |
| 1235770595 | Hernandez, Ascencion · member of 2 groups | NP | Nurse Practitioner | Orange | CA | premium | premium | premium |
| 1801815998 | Kang, Veronica · member of 2 groups | PMHNP | Nurse Practitioner | Orange | CA | premium | premium | premium |
| 1306103791 | Kolahi, Anjani · member of 2 groups | MD | Family Practice | Orange | CA | premium | premium | premium |
| 1588153886 | O'neill, Jacqueline · member of 2 groups | MD | Internal Medicine | Orange | CA | premium | premium | premium |
| 1649767294 | Shortt, Kenneth · member of 2 groups | M.D. | Internal Medicine | Festus | MO | premium | premium | premium |
Volumes are attributed to a group only for clinicians affiliated with exactly one group. Clinicians in several groups are listed ("member of N groups") but shown as "—" — their volume is not attributed to any single group. A "—" on a single-group clinician means CMS suppressed the figure (fewer than 11 beneficiaries), never zero. Beneficiary-episodes count CMS's per-setting beneficiary figures, not unique patients. Average Medicare payment is the amount Medicare actually paid per service, weighted by service volume across office and facility settings. Where the roster is a single clinician, that clinician's service counts match the group's attributed volume shown on the ranked results, so they are shown here; the per-provider split across a larger roster is a premium feature. See Methods & Sources.