Harry G. Blackstone, DO
NPI 1720016496ActiveIndividual· Family Medicine· Zephyrhills, FL
Family Medicine (DO) in Zephyrhills, Florida, trained at R Franklin University of Med & Sci/Chicago Medical School (class of 1981). Their prescriptions cost Medicare Part D more than their services did: $1,045,580 for 9,336 claims, against $205,161 paid for services in 2024. Amgen Inc. was the largest of 14 companies reporting payments in 2025, $1,083 in all, mostly food and beverage.
Overview
| NPI | 1720016496 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Jun 29, 2006 |
| Last updated in NPPES | Jun 16, 2026 |
| Certified by provider | Jun 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | OS4393 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Family Practice (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 543 |
|---|---|
| Services billed | 3,717 across 51 procedure codes |
| Paid by Medicare | $205,161 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,336 · 22,590 30-day fills |
|---|---|
| Patients | 792 |
| Total drug cost | $1,045,580 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | R Franklin University of Med & Sci/Chicago Medical School |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Family Practice |
Medical group
- Zephyrhills Family Practice and Geriatric Care LLCZephyrhills, FL · 6 clinicians
Hospital affiliations
- Adventhealth Dade CityDade City, FL
- Adventhealth TampaTampa, FL
- Adventhealth ZephyrhillsZephyrhills, FL
Other facilities
- Adventhealth Home HealthHome health agency · Dade City, FL
- Pinnacle Home CareHome health agency · Oldsmar, FL
- Pinnacle Home CareHome health agency · Oldsmar, FL
- Vitalcaring GroupHome health agency · Clearwater, FL
Industry payments (Open Payments)
- 2025$1,083 · 61 payments from 14 companies
- 2024$924.73 · 52 payments from 18 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $162.16 | 12 |
| Novo Nordisk Inc | $159.29 | 10 |
| Sumitomo Pharma America, Inc. | $134.55 | 9 |
| Lilly USA, LLC | $131.12 | 6 |
| Glaxosmithkline, LLC. | $89.55 | 4 |
What the 2025 payments were for
- Food and Beverage$1,083 · 61 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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