Grodonoff Nelson, D.O.
NPI 1912213935ActiveIndividual· Family Medicine· Ocala, FL
Opted out of Medicare from April 2026 to April 2028. Family Medicine (D.O.) in Ocala, Florida, trained at Lake Erie College of Osteopathic Medicine, Erie (class of 2010). Their prescriptions cost Medicare Part D more than their services did: $1,253,592 for 10,818 claims, against $99,137 paid for services in 2024. Astrazeneca Pharmaceuticals LP was the largest of 17 companies reporting payments in 2025, $1,825 in all, mostly food and beverage.
Overview
| NPI | 1912213935 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Aug 27, 2010 |
| Last updated in NPPES | Sep 6, 2023 |
| Certified by provider | Sep 6, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS11869 | 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 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Not in the public enrollment file of Oct 1, 2026 |
|---|---|
| Opt-out | Opted out Apr 1, 2026 – Apr 1, 2028 |
| Can order and refer | Yes |
| Accepts assignment | Yes (participating) |
During an opt-out period the provider sees Medicare patients only under private contracts, and Medicare does not pay claims for their services.
Medicare services in 2024
| Medicare patients | 347 |
|---|---|
| Services billed | 2,084 across 60 procedure codes |
| Paid by Medicare | $99,137 |
Part D prescriptions in 2024
| Prescriptions (claims) | 10,818 · 21,241 30-day fills |
|---|---|
| Patients | 760 |
| Total drug cost | $1,253,592 |
| Generic share | 86% of claims |
Education and affiliations
| Medical school | Lake Erie College of Osteopathic Medicine, Erie |
|---|---|
| Graduation year | 2010 |
| Medicare specialty | Family Practice |
Hospital affiliation
- Adventhealth OcalaOcala, FL
Other facilities
- GentivaHospice · Miami, FL
- Hospice of Marion County IncHospice · Ocala, FL
- Ocala Oaks Rehabilitation CenterNursing home · Ocala, FL
Industry payments (Open Payments)
- 2025$1,825 · 101 payments from 17 companies
- 2024$1,509 · 86 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Astrazeneca Pharmaceuticals LP | $313.60 | 18 |
| Novo Nordisk Inc | $299.11 | 17 |
| Pfizer Inc. | $220.18 | 11 |
| Lilly USA, LLC | $178.99 | 9 |
| Astellas Pharma US Inc | $172.38 | 7 |
What the 2025 payments were for
- Food and Beverage$1,825 · 101 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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