Nathaniel Ernstoff
NPI 1306189147ActiveIndividual· Internal Medicine, Gastroenterology· Coral Springs, FL
Internal Medicine, Gastroenterology with Gastro Health, LLC, practicing in Coral Springs, Florida. Their prescriptions cost Medicare Part D more than their services did: $944,793 for 1,096 claims, against $145,755 paid for services in 2024. Aimmune Therapeutics, Inc. was the largest of 19 companies reporting payments in 2025, $12,571 in all, mostly speaking and faculty fees. Lists Broward Health Coral Springs and 1 other hospital as hospital affiliations.
Overview
| NPI | 1306189147 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | Yes |
| NPI issued | Mar 29, 2013 |
| Last updated in NPPES | Jul 7, 2020 |
| Certified by provider | Jul 7, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | ME146054 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Gastroenterology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 216 |
|---|---|
| Services billed | 5,899 across 39 procedure codes |
| Paid by Medicare | $145,755 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,096 · 1,806 30-day fills |
|---|---|
| Patients | 401 |
| Total drug cost | $944,793 |
| Generic share | 68% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Gastroenterology |
Medical group
- Gastro Health, LLCOcoee, FL · 247 clinicians
Hospital affiliations
- Broward Health Coral SpringsCoral Springs, FL
- HCA Florida Northwest HospitalMargate, FL
Industry payments (Open Payments)
- 2025$12,571 · 155 payments from 19 companies
- 2024$14,099 · 151 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Aimmune Therapeutics, Inc. | $9,726 | 25 |
| Abbvie Inc. | $602.11 | 34 |
| Janssen Biotech, Inc. | $552.95 | 26 |
| Madrigal Pharmaceuticals | $348.81 | 12 |
| Genzyme Corporation | $304.70 | 9 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8,381 · 4 payments
- Food and Beverage$3,398 · 147 payments
- Travel and Lodging$792.43 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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