Specialty Directory
Rheumatology in Boston, MA
Federal CMS data for 43 rheumatology providers practicing in Boston, MA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
43
Providers
Median industry payments
$5,623
43
Rheumatology Providers
in Boston, MA
$5,623
Median Industry Payments
per provider (2018–2024)
211
Median Medicare Services
fee-for-service claims
How to read this directory: Providers are listed by Medicare service volume, which reflects only
Medicare fee-for-service patients (typically 65+). This does not represent total practice volume.
Industry payments span multiple years and payment types — they are legal and do not indicate wrongdoing.
Rheumatology includes multiple subspecialties with different practice patterns.
Learn more →
Rheumatology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| FISHER, MARK MD, MPH | 29,405 | 4,105 | Denosumab injection (Prolia/Xgeva) | $2,387 (2018-2024) | Consulting (97%) | Very High |
| MILEY, GERALD MD | 2,252 | 318 | Denosumab injection (Prolia/Xgeva) | $75,931 (2018-2024) | Consulting (89%) | Very High |
| KOHLER, MINNA M.D. | 1,848 | 1,025 | Methylprednisolone acetate injection, 80 mg | $27,660 (2018-2024) | Consulting (51%) | Very High |
| HELFGOTT, SIMON MD | 896 | 567 | Office visit, established patient (30-39 min) | $27,184 (2018-2024) | Consulting (45%) | Very High |
| MASSAROTTI, ELENA MD | 687 | 465 | Office visit, established patient (30-39 min) | $28,473 (2018-2023) | Consulting (91%) | Very High |
| SANDS, ROBERT MD | 684 | 484 | Office visit, established patient (30-39 min) | $120 (2018-2019) | Food & Beverage (100%) | Very High |
| UNIZONY, SEBASTIAN MD | 669 | 421 | Office visit, established patient (30-39 min) | $149,001 (2018-2024) | Consulting (82%) | Very High |
| WEILG, PABLO MD | 669 | 521 | Office visit, established patient (30-39 min) | $290 (2019-2024) | Food & Beverage (100%) | Very High |
| CASTELINO, FLAVIA M.D. | 585 | 406 | Office visit, established patient (30-39 min) | $73,976 (2019-2024) | Consulting (64%) | Very High |
| BOLSTER, MARCY MD | 558 | 471 | Office visit, established patient (30-39 min) | $16,308 (2018-2024) | Consulting (98%) | Very High |
| WEINBLATT, MICHAEL MD | 540 | 317 | Office visit, established patient (30-39 min) | $313,349 (2018-2024) | Consulting (88%) | Very High |
| KALISH, ROBERT M.D. | 521 | 367 | Office visit, established patient (30-39 min) | $170 (2018-2020) | Education (100%) | Very High |
| DIAZ, ARTURO MD | 462 | 307 | Office visit, established patient (30-39 min) | $178 (2024-2024) | Travel (88%) | Very High |
| STOUT, BRIAN M.D. | 396 | 293 | Office visit, established patient (30-39 min) | $1,680 (2023-2024) | Consulting (96%) | Very High |
| MATZA, MARK | 358 | 274 | Office visit, established patient (30-39 min) | $5,014 (2018-2024) | Consulting (91%) | Very High |
| LITTLE, ERIN M.D. | 333 | 237 | Office visit, established patient (30-39 min) | $412 (2018-2019) | Education (73%) | Very High |
| TROJANOWSKI, MARCIN MD | 318 | 209 | Office visit, established patient (30-39 min) | $4,502 (2019-2024) | Consulting (59%) | Very High |
| DELLARIPA, PAUL MD | 297 | 228 | Office visit, established patient (20-29 min) | $1,463 (2020-2020) | Consulting (100%) | Very High |
| GEDMINTAS, LYDIA MD | 278 | 198 | Office visit, established patient (30-39 min) | $18 (2023-2023) | Food & Beverage (100%) | Very High |
| WALLACE, ZACHARY M.D. | 270 | 176 | Office visit, established patient (30-39 min) | $106,555 (2018-2024) | Consulting (86%) | Very High |
| ERMANN, JOERG MD | 233 | 134 | Office visit, established patient (20-29 min) | $115,598 (2018-2024) | Consulting (85%) | Very High |
| PRYOR, KATHERINE MD | 211 | 198 | Office visit, established patient (30-39 min) | $47 (2023-2023) | Food & Beverage (100%) | Very High |
| YOKOSE, CHIO M.D. | 194 | 136 | Office visit, established patient (30-39 min) | $1,083 (2019-2019) | Travel (100%) | Very High |
| KATZ, JEFFREY MD | 165 | 97 | Office visit, established patient (30-39 min) | $24,294 (2019-2022) | Honoraria (100%) | Very High |
| ROBBINS, MARK MD | 162 | 97 | Office visit, established patient (30-39 min) | $1,320 (2020-2023) | Consulting (100%) | Very High |
| KATZ, GUY M.D. | 154 | 104 | Office visit, established patient, complex (40-54 min) | $3,899 (2019-2024) | Consulting (96%) | Very High |
| DESAI, SONALI M.D. | 137 | 104 | Office visit, established patient (30-39 min) | $77 (2018-2018) | Food & Beverage (100%) | Very High |
| TARTER, LAURA M.D. | 109 | 68 | Office visit, established patient (30-39 min) | $5,623 (2018-2022) | Consulting (98%) | Very High |
| AVALOS, INGRID MD | 97 | 74 | Office visit, established patient (30-39 min) | $1,910 (2018-2023) | Travel (87%) | Very High |
| PERUGINO, CORY D.O. | 97 | 61 | Office visit, established patient (30-39 min) | $49,237 (2019-2024) | Consulting (51%) | Very High |
| COSTENBADER, KAREN MD MPH | 91 | 64 | Office visit, established patient (30-39 min) | $41,909 (2019-2024) | Consulting (99%) | Very High |
| CHOI, HYON-KYOO MD, PHD | 64 | 47 | Office visit, established patient (30-39 min) | $56,697 (2018-2024) | Consulting (64%) | Very High |
| HAUSMANN, JONATHAN MD | 55 | 36 | Office visit, established patient (30-39 min) | $16,814 (2018-2023) | Consulting (84%) | Very High |
| FRASER, PATRICIA MD | 44 | 21 | Office visit, established patient (20-29 min) | $36 (2019-2019) | Travel (100%) | Very High |
| FELSON, DAVID MD | 36 | 17 | Office visit, established patient (20-29 min) | $137 (2018-2019) | Food & Beverage (100%) | Very High |
| LIAO, KATHERINE MD | 25 | 17 | Office visit, established patient (30-39 min) | $7,622 (2018-2024) | Consulting (90%) | Very High |
| LAW, BRANDON MD | 25 | 19 | Office visit, established patient, complex (40-54 min) | $508 (2024-2024) | Consulting (100%) | High |
| LAFYATIS, ROBERT | 16 | 16 | Office visit, established patient (30-39 min) | $83,798 (2018-2024) | Consulting (98%) | Very High |
| BOULOUGOURA, AFRODITI | 12 | 12 | Office visit, established patient, complex (40-54 min) | $104 (2024-2024) | Food & Beverage (100%) | High |
| NIGROVIC, PETER MD | — | — | — | $83,065 (2018-2024) | Consulting (69%) | High |
| MONACH, PAUL MD, PHD | — | — | — | $7,700 (2018-2024) | Consulting (100%) | High |
| TSOKOS, GEORGE M.D. | — | — | — | $27,901 (2018-2022) | Consulting (94%) | High |
| CASTILLO, ROCHELLE M.D. | — | — | — | $25,330 (2021-2024) | Grant (99%) | High |
Note: Rheumatology encompasses multiple subspecialties with different practice patterns.
Differences in payment amounts and procedure volumes may reflect subspecialty focus
rather than practice quality. Consider viewing individual profiles for full context.
By Practice Pattern
Rheumatology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (37)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| KOHLER, MINNA | 1,848 | $27,660 |
| HELFGOTT, SIMON | 896 | $27,184 |
| MASSAROTTI, ELENA | 687 | $28,473 |
| SANDS, ROBERT | 684 | $120 |
| UNIZONY, SEBASTIAN | 669 | $149,001 |
| WEILG, PABLO | 669 | $290 |
| CASTELINO, FLAVIA | 585 | $73,976 |
| BOLSTER, MARCY | 558 | $16,308 |
| WEINBLATT, MICHAEL | 540 | $313,349 |
| KALISH, ROBERT | 521 | $170 |
General Practice (4)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| NIGROVIC, PETER | 0 | $83,065 |
| MONACH, PAUL | 0 | $7,700 |
| TSOKOS, GEORGE | 0 | $27,901 |
| CASTILLO, ROCHELLE | 0 | $25,330 |
Mixed Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| FISHER, MARK | 29,405 | $2,387 |
| MILEY, GERALD | 2,252 | $75,931 |