Ron Samuel Newfield, M.D.
NPI 1679644421ActiveIndividual· Pediatrics, Pediatric Endocrinology· San Diego, CA
Pediatrics, Pediatric Endocrinology (M.D.) in San Diego, California, licensed in CA, with an NPI issued in November 2006. Part D covered 43 prescriptions written in 2024, 67% of them generic. Neurocrine Biosciences, Inc. was the largest of 14 companies reporting payments in 2025, $21,703 in all, mostly consulting fees.
Overview
| NPI | 1679644421 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 13, 2006 |
| Last updated in NPPES | Aug 25, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Pediatrics, Pediatric Endocrinology Primary | 2080P0205X | A73875 | CA |
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 - Pediatric Medicine (CA) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 43 · 60 30-day fills |
|---|---|
| Total drug cost | $10,321 |
| Generic share | 67% of claims |
Industry payments (Open Payments)
- 2025$21,703 · 46 payments from 14 companies
- 2024$1,906 · 24 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Neurocrine Biosciences, Inc. | $21,202 | 25 |
| Eton Pharmaceuticals, Inc. | $98.07 | 5 |
| Novo Nordisk Inc | $59.17 | 2 |
| Insulet Corporation | $55.86 | 2 |
| Ascendis Pharma Endocrinology Inc | $54.92 | 2 |
What the 2025 payments were for
- Consulting Fee$18,900 · 4 payments
- Travel and Lodging$1,505 · 8 payments
- Food and Beverage$1,180 · 32 payments
- Education$117.50 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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