Specialty Directory
Gastroenterology in Great Neck, NY
Federal CMS data for 14 gastroenterology providers practicing in Great Neck, NY. Includes Medicare utilization, Open Payments industry funding, and PECOS enrollment status.
14
Providers
Median industry payments
$14,018
14
Gastroenterology Providers
in Great Neck, NY
$14,018
Median Industry Payments
per provider (2018–2024)
1,160
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.
Gastroenterology includes multiple subspecialties with different practice patterns.
Learn more →
Gastroenterology Providers
NPPES · Open Payments · Medicare| Provider | Medicare Volume | Beneficiaries* | Top Procedure | Industry Payments | Payment Type | Coverage |
|---|---|---|---|---|---|---|
| ROSS, CHAIM M.D. | 2,076 | — | Office visit, established patient (30-39 min) | $1,149 (2018-2019) | — | Very High |
| SLOYER, ALAN MD | 1,806 | — | Office visit, established patient (30-39 min) | $13,726 (2018-2024) | — | Very High |
| MILKES, DAVID MD | 1,444 | — | Office visit, established patient (30-39 min) | $15,410 (2018-2024) | — | Very High |
| DICKER, MORDECAI MD | 1,394 | — | Office visit, established patient (30-39 min) | $18,153 (2018-2024) | — | Very High |
| RATTNER, HOWARD MD | 1,324 | — | Office visit, established patient (30-39 min) | $16,225 (2018-2024) | — | Very High |
| ABITTAN, CHAIM MD | 1,314 | — | New patient office visit (45-59 min) | $24,622 (2018-2024) | — | Very High |
| TALANSKY, ARTHUR MD | 1,258 | — | Office visit, established patient (20-29 min) | $16,382 (2018-2024) | — | Very High |
| HOROWITZ, MATTHEW M.D. | 1,062 | — | Office visit, established patient (30-39 min) | $248 (2021-2024) | — | Very High |
| COSTABLE, JOHN MD | 966 | — | Office visit, established patient (20-29 min) | $17,951 (2018-2024) | — | Very High |
| HERMAN, ROBERT | 798 | — | Office visit, established patient (30-39 min) | $14,309 (2018-2024) | — | Very High |
| NOVOGRUDSKY, ALEX M.D. | 649 | — | Office visit, established patient (20-29 min) | $971 (2018-2024) | — | Very High |
| KWAK, GINA M.D. | 637 | — | Office visit, established patient (30-39 min) | $10,142 (2018-2024) | — | Very High |
| DIAZ, RAYMOND MD | 317 | — | Office visit, established patient (20-29 min) | $1,881 (2018-2024) | — | Very High |
| SIVA, SHIVI MD | 204 | — | Hospital follow-up visit, moderate complexity | $2,904 (2018-2024) | — | Very High |
Note: Gastroenterology 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
Gastroenterology encompasses multiple practice patterns. Comparing providers within the same pattern provides more meaningful context.
Clinical Cardiology (13)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| ROSS, CHAIM | 2,076 | $1,149 |
| SLOYER, ALAN | 1,806 | $13,726 |
| MILKES, DAVID | 1,444 | $15,410 |
| DICKER, MORDECAI | 1,394 | $18,153 |
| RATTNER, HOWARD | 1,324 | $16,225 |
| ABITTAN, CHAIM | 1,314 | $24,622 |
| TALANSKY, ARTHUR | 1,258 | $16,382 |
| HOROWITZ, MATTHEW | 1,062 | $248 |
| COSTABLE, JOHN | 966 | $17,951 |
| HERMAN, ROBERT | 798 | $14,309 |
Mixed Practice (1)
| Provider | Medicare Volume | Industry Payments |
|---|---|---|
| SIVA, SHIVI | 204 | $2,904 |