Who bills the most Injection, ranibizumab, 0.1 mg (J2778) to Medicare in California?
Medicare Part B FFS · CY2024 · as published by CMS27 physician groups billed Injection, ranibizumab, 0.1 mg (J2778) to Medicare fee-for-service in California in 2024; the top five named groups hold 51% of that volume, and independent (non-hospital-affiliated) groups deliver 16%.
J2778 — Injection, ranibizumab, 0.1 mg · Source: CMS Medicare Physician & Other Practitioners PUF (Part B), CY2024 release. Medicare fee-for-service only.
Snapshot covers the whole California market — the table below shows the top 100 groups (free tier).
Medicare fee-for-service covers 49% of Medicare in California; Medicare Advantage penetration 45% → 51% since 2020.
| # | Physician group | City | St | Specialty | Providers | J2778 svcs | Share* | Phone |
|---|---|---|---|---|---|---|---|---|
| 1 | RETINAL DIAGNOSTIC CENTER A MEDICAL CORPORATION | CAMPBELL | CA | OPHTHALMOLOGY | 6 | 6,970 | 11.2% | (408) 559-0666 |
| 2 | RETINA ASSOCIATES OF ORANGE COUNTY | SANTA ANA | CA | OPHTHALMOLOGY | 5 | 4,895 | 7.9% | (714) 543-6020 |
| 3 | ARTHUR N. DONALDSON, M.D., INC. | SONORA | CA | OPHTHALMOLOGY | 2 | 3,615 | 5.8% | (209) 532-0340 |
| 4 | NORTHERN CALIFORNIA RETINA VITREOUS ASSOCIATES MEDICAL GROUP, INC. | SAN JOSE | CA | OPHTHALMOLOGY | 7 | 3,520 | 5.7% | (408) 251-3500 |
| 5 | RETINA INSTITUTE OF CALIFORNIA MEDICAL GROUP, A CALIFORNIA MEDICAL PAR | PASADENA | CA | OPHTHALMOLOGY | 82 | 3,460 | 5.6% | (800) 898-2020 |
| 6 | WEST COAST RETINA MEDICAL GROUP INC | SAN FRANCISCO | CA | OPHTHALMOLOGY | 10 | 3,216 | 5.2% | (415) 972-4600 |
| 7 | THE RETINA PARTNERS | ENCINO | CA | OPHTHALMOLOGY | 6 | 2,601 | 4.2% | (818) 788-9333 |
| 8 | HARVARD EYE ASSOCIATES FKA ROGER OHANESIAN MD AND EDWARD KIM MD INC | SAN CLEMENTE | CA | OPHTHALMOLOGY | 20 | 2,105 | 3.4% | (949) 951-2020 |
| 9 | VITREO-RETINAL MEDICAL GROUP, INC. | YUBA CITY | CA | OPHTHALMOLOGY | 21 | 2,093 | 3.4% | (530) 273-8358 |
| 10 | CALIFORNIA RETINA CONSULTANTS | SANTA BARBARA | CA | OPHTHALMOLOGY | 11 | 1,840 | 3.0% | (805) 963-1648 |
| 11 | CARSON MCBEATH AND BOSWELL INC | LONG BEACH | CA | OPHTHALMOLOGY | 8 | 1,286 | 2.1% | (562) 984-7024 |
| 12 | PACIFIC EYE INSTITUTE A MEDICAL GROUP INC | UPLAND | CA | OPHTHALMOLOGY | 47 | 1,126 | 1.8% | (909) 982-8846 |
| 13 | EYE SPECIALISTS MEDICAL GROUP OF NAPA VALLEY INC | NAPA | CA | OPHTHALMOLOGY | 6 | 1,056 | 1.7% | (707) 255-6212 |
| 14 | ZEITER EYE MEDICAL GROUP INC | STOCKTON | CA | OPHTHALMOLOGY | 13 | 783 | 1.3% | (209) 466-5566 |
| 15 | EAST BAY RETINA CONSULTANTS A MEDICAL GROUP INC | OAKLAND | CA | OPHTHALMOLOGY | 6 | 770 | 1.2% | (510) 444-1600 |
| 16 | RICHARD H HAVUNJIAN MD A PROFESSIONAL CORPORATION | GLENDALE | CA | OPHTHALMOLOGY | 2 | 705 | 1.1% | (818) 548-5858 |
| 17 | RETINA VITREOUS ASSOCIATES MEDICAL GROUP | LOS ANGELES | CA | OPHTHALMOLOGY | 17 | 675 | 1.1% | (213) 483-8810 |
| 18 | PACIFIC EYE ASSOCIATES, A MEDICAL CORPORATION | SAN FRANCISCO | CA | OPHTHALMOLOGY | 13 | 666 | 1.1% | (415) 923-3007 |
| 19 | SCRIPPS HEALTH | LA JOLLA | CA | PHYSICIAN ASSISTANT | 1431 | 427 | 0.7% | (858) 455-9100 |
| 20 | JULES STEIN EYE INSTITUTE MEDICAL GROUP | ARCADIA | CA | OPHTHALMOLOGY | 116 | 421 | 0.7% | (323) 442-7122 |
| 21 | RETINA CONSULTANTS SAN DIEGO INC | POWAY | CA | OPHTHALMOLOGY | 5 | 399 | 0.6% | (858) 451-1911 |
| 22 | RETINA ASSOCIATES OF FLORIDA, P.A. | TAMPA | CA | OPHTHALMOLOGY | 3 | 317 | 0.5% | (813) 875-6373 |
| 23 | MEHRAN TABAN MD INC | TORRANCE | CA | OPHTHALMOLOGY | 2 | 295 | 0.5% | (424) 247-9090 |
| 24 | EYE CARE CENTER OF NAPA VALLEY A MEDICAL CORPORATION | NAPA | CA | OPHTHALMOLOGY | 7 | 228 | 0.4% | (707) 252-2020 |
| 25 | SANSUM CLINIC | SANTA BARBARA | CA | INTERNAL MEDICINE | 322 | 209 | 0.3% | (805) 681-7500 |
| 26 | DELTA EYE MEDICAL GROUP, INC. | STOCKTON | CA | OPHTHALMOLOGY | 8 | 177 | 0.3% | (209) 478-1797 |
| 27 | VINCENT Q NGUYEN MD INC | SAN DIEGO | CA | OPHTHALMOLOGY | 3 | 102 | 0.2% | (858) 609-7100 |
*Share of California's disclosed Medicare-FFS services for J2778, counted once per clinician. Volume is placed in the state it was billed from, so this page ranks the groups actually billing J2778 in California — including groups registered elsewhere ("City" is each group's registered location). Group figures sum clinicians affiliated with exactly one group; clinicians in several groups are listed in each group's drill-down but not volume-attributed to any single group.
How to read this. Figures are Medicare fee-for-service only — not all-payer — from the CMS Medicare Physician & Other Practitioners Public Use File (Part B), CY2024 release. CMS suppresses any provider×code row under 11 beneficiaries, so a missing group means "suppressed," never zero. "Charges" are provider-submitted amounts, not payments. Groups are ranked by measured service volume attributed to clinicians in exactly one group — clinicians affiliated with several groups are listed in rosters but never volume-attributed to a single group — a direct read of the public record, not a rating or quality score. Full method: Methods & Sources.
Comparing against an all-payer estimate?
These are exact counts from Medicare fee-for-service claims — roughly a third to half of most procedure markets, depending on payer mix. Modeled all-payer databases project the remainder statistically; we publish the audited floor and label it as such. Same market, different denominator. How the numbers reconcile →