REGENTS UNIV OF CALIFORNIA UCSF
PHYSICIAN ASSISTANT · SAN FRANCISCO, CA · 277 providers · hospital-affiliated · (415) 476-1000
Provider volumes for 99203 — New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more · CY2024
Group overview · all codes · CY2024
On 99203 — New patient office or other outpatient visit with...
All figures are attributed (single-group clinicians only) and disclosed (CMS suppresses fewer-than-11-beneficiary rows) Medicare Part B fee-for-service — a subset, never complete totals. Percentile and peer figures are billed-volume positions, not statements about care. See Methods & Sources.
| NPI | Provider | Credentials | Type | City | St | 99203 services | Beneficiary-episodes | Avg Medicare payment |
|---|---|---|---|---|---|---|---|---|
| 1689679300 | Robison, James | D.P.M. | Podiatry | Mill Valley | CA | premium | premium | premium |
| 1881049872 | Lin, Elaine | M.D. | Dermatology | San Rafael | CA | premium | premium | premium |
| 1184086407 | Serebrakian, Arman | M.D. | Hand Surgery | San Rafael | CA | premium | premium | premium |
| 1801090519 | Koehler, Matthew | DO | Dermatology | San Rafael | CA | premium | premium | premium |
| 1982369575 | Obilor, Leeanne | Physician Assistant | Corte Madera | CA | premium | premium | premium | |
| 1104879014 | Goltz, David | M.D. | Sports Medicine | Larkspur | CA | premium | premium | premium |
| 1003100025 | Conway, Allan | MD | Vascular Surgery | San Francisco | CA | premium | premium | premium |
| 1235186206 | Oechsel, Michael | M.D. | Orthopedic Surgery | Larkspur | CA | premium | premium | premium |
| 1114144284 | Bava, Eric | M.D. | Orthopedic Surgery | San Rafael | CA | premium | premium | premium |
| 1992773311 | Alfrey, Edward | M.D. | General Surgery | Springfield | IL | premium | premium | premium |
| 1083872618 | Gogia, Ravinder | MD | Dermatology | San Rafael | CA | premium | premium | premium |
| 1235238130 | Lawler, Mark | MD | Orthopedic Surgery | Novato | CA | premium | premium | premium |
| 1952930604 | Chen, Kristen | MD | Dermatology | San Rafael | CA | premium | premium | premium |
| 1780768788 | Meyer, Frederick | MD | Emergency Medicine | San Rafael | CA | premium | premium | premium |
| 1205824067 | Nisam, Merrill | MD | Critical Care (Intensivists) | Greenbrae | CA | premium | premium | premium |
| 1194035287 | Zettersten, Elizabeth | MD | Dermatology | San Rafael | CA | premium | premium | premium |
| 1790278190 | Daniel, Jessica | PA-C | Physician Assistant | San Rafael | CA | premium | premium | premium |
| 1750431250 | Clothier, John | M.D. | Family Practice | San Francisco | CA | premium | premium | premium |
| 1568857142 | Park, Lisa | Colorectal Surgery (Proctology) | Larkspur | CA | premium | premium | premium | |
| 1336198449 | Homicz, Mark | M.D. | Otolaryngology | Santa Rosa | CA | premium | premium | premium |
| 1891900346 | Colliflower, David | P.A.-C | Physician Assistant | Newport Beach | CA | premium | premium | premium |
| 1184724171 | Zechowy, Stefan | M.D. | Otolaryngology | Santa Rosa | CA | premium | premium | premium |
| 1699121905 | Tamura, Lyndly | M.D. | Physical Medicine and Rehabilitation | New York | NY | premium | premium | premium |
| 1629147897 | Desai, Tina | MD | Vascular Surgery | Chicago | IL | premium | premium | premium |
| 1689629388 | Goff, Jonathan | MD | Orthopedic Surgery | Larkspur | CA | premium | premium | premium |
| 1205213170 | Aubin-Pouliot, Annick | Otolaryngology | Santa Rosa | CA | premium | premium | premium | |
| 1144261637 | Levinson, Stephen | M.D. | Emergency Medicine | Santa Rosa | CA | premium | premium | premium |
| 1083746887 | Elvin, Lisa | NP | Nurse Practitioner | Larkspur | CA | premium | premium | premium |
| 1487881983 | Maroney, Sean | M.D. | General Surgery | Larkspur | CA | premium | premium | premium |
| 1225011422 | Bodony, Richard | MD | Emergency Medicine | Novato | CA | premium | premium | premium |
| 1760502603 | Donnelly, Kate | PA-C | Physician Assistant | Napa | CA | premium | premium | premium |
| 1275762858 | Prushani, Amir | M.D. M.A. | Gastroenterology | Philadelphia | PA | premium | premium | premium |
| 1497709984 | Sponzilli, Ernest | M.D. | Physical Medicine and Rehabilitation | Larkspur | CA | premium | premium | premium |
| 1013949049 | Teasdale, Robert | M.D. | Orthopedic Surgery | Greenbrae | CA | premium | premium | premium |
| 1598839052 | Lin, Stephanie | MD | Vascular Surgery | Burlingame | CA | premium | premium | premium |
| 1760771901 | Stahl, Benjamin | General Surgery | Larkspur | CA | premium | premium | premium | |
| 1578560389 | Bell, Angela | M.D. | Emergency Medicine | Roseville | CA | premium | premium | premium |
| 1013989136 | Solomon, Daniel | M.D. | Orthopedic Surgery | Larkspur | CA | premium | premium | premium |
| 1902830623 | Kobalter, Amy | M.D. | Dermatology | San Rafael | CA | premium | premium | premium |
| 1174286892 | See, Nicole | PA | Physician Assistant | Larkspur | CA | premium | premium | premium |
| 1447420732 | Walter, Christopher | D.O. | Orthopedic Surgery | Sonoma | CA | premium | premium | premium |
| 1194715912 | Pak, Laura | M.D. | Vascular Surgery | Greenbrae | CA | premium | premium | premium |
| 1013043314 | Kelley, Leah | M.D. | Surgical Oncology | Greenbrae | CA | premium | premium | premium |
| 1184914046 | Park, Beau | M.D. | Obstetrics & Gynecology | Greenbrae | CA | premium | premium | premium |
| 1679587893 | Castro, Luis | M.D. | Thoracic Surgery | Redwood City | CA | premium | premium | premium |
| 1487032355 | Grandhe, Sirisha | M.D. | Gastroenterology | Sacramento | CA | premium | premium | premium |
| 1205003167 | Sharma, Ripple | M.D. | Gastroenterology | Greenbrae | CA | premium | premium | premium |
| 1376867010 | Hogan, Christopher | M.D. | Gastroenterology | Greenbrae | CA | premium | premium | premium |
| 1861056475 | Ansari, Ryan | Physician Assistant | San Rafael | CA | premium | premium | premium | |
| 1447872205 | Flynn, Francesca | Physician Assistant | San Rafael | CA | premium | premium | premium | |
| 1346737012 | Zappas-Levy, Katerina | MD | Obstetrics & Gynecology | Greenbrae | CA | premium | premium | premium |
| 1194941799 | Frankel, Jennifer | M.D. | Gastroenterology | Corte Madera | CA | premium | premium | premium |
| 1851928154 | Ho, Carolyn | MD/MPH | Family Practice | Sonoma | CA | premium | premium | premium |
| 1659444966 | Martinez, Vicki | MD | Emergency Medicine | San Rafael | CA | premium | premium | premium |
| 1972902971 | Segev, Tamar | D.O. | Obstetrics & Gynecology | Greenbrae | CA | premium | premium | premium |
| 1982947404 | Cedars, Elizabeth | M.D. | Otolaryngology | Santa Rosa | CA | premium | premium | premium |
| 1902814015 | Malladi, Vikram | MD | Gastroenterology | Greenbrae | CA | premium | premium | premium |
| 1740267939 | Voss, Kirsten | Obstetrics & Gynecology | Greenbrae | CA | premium | premium | premium | |
| 1215281019 | Brown, Elizabeth | D.O | Obstetrics & Gynecology | Greenbrae | CA | premium | premium | premium |
| 1740262302 | Malik, Geeta | M.D. | Family Practice | Sonoma | CA | premium | premium | premium |
| 1417451758 | Reim, Katherine | MD | Obstetrics & Gynecology | Greenbrae | CA | premium | premium | premium |
| 1891713418 | Bennett, Patrick · member of 2 groups | M.D. | Urology | Greenbrae | CA | premium | premium | premium |
| 1154335370 | Braun, Russell · member of 2 groups | M.D. | Emergency Medicine | San Francisco | CA | premium | premium | premium |
| 1447758404 | Cines, Courtney · member of 2 groups | PA-C | Physician Assistant | Bronx | NY | premium | premium | premium |
| 1669682811 | Dudley, Benjamin · member of 2 groups | MD | Urology | Vacaville | CA | premium | premium | premium |
| 1952647851 | Gunkle, Cherysh · member of 2 groups | FNP | Nurse Practitioner | Petaluma | CA | premium | premium | premium |
| 1265967079 | Justin, Jason · member of 3 groups | PA-C | Physician Assistant | Mill Valley | CA | premium | premium | premium |
| 1346669561 | Kohn, Lucinda · member of 2 groups | M.D. | Pediatric Medicine | San Rafael | CA | premium | premium | premium |
| 1770614059 | Lal, Niraj · member of 2 groups | MD | Otolaryngology | Santa Rosa | CA | premium | premium | premium |
| 1831277409 | Liao, Been · member of 2 groups | MD | Otolaryngology | Santa Rosa | CA | premium | premium | premium |
| 1326067919 | Neuwirth, Harry · member of 3 groups | M.D. | Urology | Greenbrae | CA | premium | premium | premium |
| 1811502545 | Patel, Ekta · member of 3 groups | PA-C | Physician Assistant | San Rafael | CA | premium | premium | premium |
| 1720467467 | Santiesteban, Lauren · member of 3 groups | M.D. | Orthopedic Surgery | San Francisco | CA | premium | premium | premium |
| 1255527024 | Yu, Rhunjay · member of 6 groups | M.D. | Urology | Greenbrae | 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.