Specialty Directory
Internal Medicine in Somerville, MA
Federal CMS data for 18 internal medicine providers practicing in Somerville, MA. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
18
Providers
Median industry payments
$0
18
Internal Medicine Providers
in Somerville, MA
$0
Median Industry Payments
per provider (2018–2024)
736
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; disclosure alone establishes neither wrongdoing nor legality.
Internal Medicine includes multiple subspecialties with different practice patterns.
Learn more →
Internal Medicine Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| WU, AMY M.D. | 3,080 | — | Erythrocyte sedimentation rate (ESR) test | $6,981 (2018-2023) | — | Very High |
| LIU, JAMES M.D. | 1,882 | — | Blood draw (venipuncture) | $18 (2018-2018) | — | Very High |
| ANGEL, ANDREW M.D. | 1,766 | — | Blood draw (venipuncture) | $0 | — | High |
| JOHNSON, GREGORY MD | 1,684 | — | Office visit, established patient (20-29 min) | $0 | — | High |
| PADRO, SILVINA MD | 1,287 | — | Blood draw (venipuncture) | $0 | — | High |
| MATEI, MANUELA M.D. | 1,237 | — | Hospital follow-up visit, moderate complexity | $0 | — | High |
| STUBBE, INGO MD | 1,119 | — | Hospital follow-up visit, moderate complexity | $0 | — | High |
| PEREZ, JUAN MD | 918 | — | Hospital follow-up visit, moderate complexity | $71 (2018-2018) | — | Very High |
| PERLO, DONALD MD | 757 | — | Office visit, established patient (20-29 min) | $0 | — | High |
| KOOMSON, JUDE M.D. | 714 | — | Office visit, established patient (30-39 min) | $0 | — | High |
| LEE, YONG HWA M.D. | 553 | — | Emergency department visit, moderate complexity | $0 | — | High |
| EPSTEIN, DAVID M.D. | 304 | — | Office visit, established patient (30-39 min) | $0 | — | High |
| HENKEL, LUIS M.D. | 279 | — | Office visit, established patient (30-39 min) | $724 (2018-2024) | — | Very High |
| BRIGHTMAN, LAURA | 219 | — | Office visit, established patient (30-39 min) | $0 | — | High |
| PARISIEN, MAGALI M.D. | 136 | — | Office visit, established patient (30-39 min) | $125 (2024-2024) | — | Very High |
| HERTZMAN-MILLER, RUTH MD | 66 | — | Office visit, established patient, complex (40-54 min) | $0 | — | High |
| ADDESA, ANTHONY M.D. | — | — | — | $310 (2018-2021) | — | High |
| VILLARREAL-VERDECIA, ARTURO MD | — | — | — | $208 (2020-2024) | — | High |
Note: Internal Medicine 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
Internal Medicine encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (13)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| LIU, JAMES | 1,882 | $18 |
| ANGEL, ANDREW | 1,766 | $0 |
| JOHNSON, GREGORY | 1,684 | $0 |
| PADRO, SILVINA | 1,287 | $0 |
| MATEI, MANUELA | 1,237 | $0 |
| STUBBE, INGO | 1,119 | $0 |
| PERLO, DONALD | 757 | $0 |
| KOOMSON, JUDE | 714 | $0 |
| EPSTEIN, DAVID | 304 | $0 |
| HENKEL, LUIS | 279 | $724 |
Mixed Practice (3)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| WU, AMY | 3,080 | $6,981 |
| PEREZ, JUAN | 918 | $71 |
| LEE, YONG HWA | 553 | $0 |
General Practice (2)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| ADDESA, ANTHONY | 0 | $310 |
| VILLARREAL-VERDECIA, ARTURO | 0 | $208 |