STANFORD HEALTH CARE
DIAGNOSTIC RADIOLOGY · STANFORD, CA · 3,039 providers · hospital-affiliated · (650) 723-4000
Provider volumes for 99284 — Emergency department visit with moderate level of medical decision making · CY2024
In CY2024, the group billed 1,083 distinct codes across 4 states to Medicare Part B — 1,675,706 attributed, disclosed services.
2,286 clinicians billed under the group: 1,751 physicians, 491 advanced-practice clinicians, and 44 other 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 99284 was 2,621 services.
| NPI | Provider | Credentials | Type | City | St | 99284 services | Beneficiary-episodes | Avg Medicare payment |
|---|---|---|---|---|---|---|---|---|
| 1073008777 | Al Moujahed, Ahmad | MD | Ophthalmology | Stanford | CA | premium | premium | premium |
| 1366811861 | Dubowy, Lindsey | PA-C | Physician Assistant | Palo Alto | CA | premium | premium | premium |
| 1104195916 | Ahern, Terence | MD | Emergency Medicine | Palo Alto | CA | premium | premium | premium |
| 1013442524 | Obeng, Enoch | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1295121895 | Gallegos, Moises | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1487044806 | Mahmoud, Sally | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1861889065 | Dixon, William | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1174011647 | Duggineni, Dheeraj | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1659846483 | Kuizenga, Alexandra | PA-C | Physician Assistant | Manteca | CA | premium | premium | premium |
| 1932182185 | Gautreau, Marc | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1407276819 | Le, Hoai Huong | PA | Physician Assistant | Stanford | CA | premium | premium | premium |
| 1982014015 | Garcia, Eddie | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1912403031 | Preiksaitis, Carl | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1033596614 | Roszczynialski, Kelly | M.D. | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1679929798 | Saxena, Monica | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1366677486 | Alvarez, Al'ai | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1639480718 | Acker, Peter | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1982041174 | Aliaga, Leonardo | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1285193292 | Berenson, Marc | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1275700361 | Anderson, Kenton | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1790289981 | Bunney, Gabrielle | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1699272781 | Lee, Jae-Yeon | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1699206664 | Sinewe, Marcus | MD | Emergency Medicine | Palo Alto | CA | premium | premium | premium |
| 1922560002 | Van Loon, Mackenzie | PA-C | Physician Assistant | Stanford | CA | premium | premium | premium |
| 1144666108 | Dash, Debadutta | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1861444861 | Suffoletto, Brian | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1326314329 | Burns, Patrick | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1407182579 | Graglia, Sally | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1952713810 | Hao, Wei | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1194739292 | Kendall, John | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1912952086 | Purvis, Tiffany | P.A-C | Physician Assistant | Stanford | CA | premium | premium | premium |
| 1629394036 | Ribeira, Ryan | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1104238336 | Ashenburg, Nicholas | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1740458652 | Walker, Rebecca | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1740700392 | Lanter, Patrick | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1497079859 | Rice, Brian | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1023501715 | Batchelor, Timothy | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1184754962 | Keefe, Ryan | PA | Physician Assistant | San Jose | CA | premium | premium | premium |
| 1225688260 | Nelson, Jeremy | PA-C | Physician Assistant | Stanford | CA | premium | premium | premium |
| 1184041394 | Sackeim, Alexander | M.D. | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1528403789 | Duanmu, Youyou | MD, MPH | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1376809954 | Feltes, Michelle | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1740634013 | Kim, David | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1710321062 | Rose, Christian | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1558493114 | Schertzer, Kimberly | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1417419235 | Stromberg, Andrew | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1497101380 | Bennett, Christopher | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1366837148 | Rider, Ashley | M.D. | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1275634529 | Blomkalns, Andra | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1902863210 | Boukhman, Milana | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1578751632 | Kanapicki, Jennifer | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1972948222 | Masters, Martha | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1184042137 | Ravi, Shashank | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1346594926 | Carrillo, Eli | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1962575647 | Hahn, In-Hei | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1477729796 | Krzyzaniak, Sara | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1104385103 | Lee, Jonathan | MD | Pain Management | Stanford | CA | premium | premium | premium |
| 1356493159 | D'souza, Peter | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1316265986 | Ngaruiya, Christine | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1417336850 | Brown, Italo | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1164865879 | Caretta-Weyer, Holly | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1942864780 | Offorjebe, Ogechukwu | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1942704630 | Riley, Fran | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1831688183 | Chu, Andrew | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1699279372 | Karalius, Vytas | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1134353329 | Lin, Michelle | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1447563549 | Fang, Andrea | MD | Pediatric Medicine | Stanford | CA | premium | premium | premium |
| 1194351007 | Aakhus, Cooper | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1881730208 | Raphael, Elizabeth | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1851320451 | Brown, Ian | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1770920936 | Pokrajac, Nicholas | M.D. | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1386672905 | Yang, Samuel | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1508177601 | Newberry, Jennifer | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1639772981 | Miller, Caitlin | PA-C | Physician Assistant | Palo Alto | CA | premium | premium | premium |
| 1720018765 | Taleghani, Noushafarin | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1952861890 | Coggins, Nathaniel | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1730109992 | Lee, Moon | MD | Undefined Physician type | Stanford | CA | premium | premium | premium |
| 1508912189 | Vogel, Jody | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1114554888 | Winkel, Maia | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1750844601 | Burgess, Jonathan · member of 4 groups | MD | Psychiatry | Burlington | VT | premium | premium | premium |
| 1285801704 | Dayton, John · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1588046510 | Empson, Susannah · member of 5 groups | MD | Emergency Medicine | Los Angeles | CA | premium | premium | premium |
| 1639416142 | Hebron, Ronald Higinio · member of 2 groups | NP | Nurse Practitioner | Stanford | CA | premium | premium | premium |
| 1386272979 | Hsiang, Elaine · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1881154755 | Jacobsen, Bailee · member of 3 groups | DO | Addiction Medicine | Palo Alto | CA | premium | premium | premium |
| 1275093148 | Kabeer, Rana · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1598031072 | Lindquist, Benjamin · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1558717983 | Marvel, James · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1427078427 | Patil, Avinash · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1013536721 | Tchouapi, Pierre-Carole · member of 2 groups | MD | Emergency Medicine | Stanford | CA | premium | premium | premium |
| 1891255220 | Yeung, Kara · member of 2 groups | MD | Emergency Medicine | Stanford | CA | 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.