Douglas Granville Gresham, M.D.
NPI 1629155676ActiveIndividual· Internal Medicine, Endocrinology, Diabetes & Metabolism· Savannah, GA
Internal Medicine, Endocrinology, Diabetes & Metabolism (M.D.) in Savannah, Georgia, trained at University of Massachusetts Medical School (class of 1979). Their prescriptions cost Medicare Part D more than their services did: $3,249,960 for 7,062 claims, against $135,337 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 14 companies reporting payments in 2025, $1,033 in all, mostly food and beverage.
Overview
| NPI | 1629155676 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Mar 2, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Endocrinology, Diabetes & Metabolism Primary | 207RE0101X | 026286 | GA |
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 - Endocrinology (GA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 513 |
|---|---|
| Services billed | 4,939 across 48 procedure codes |
| Paid by Medicare | $135,337 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,062 · 16,230 30-day fills |
|---|---|
| Patients | 915 |
| Total drug cost | $3,249,960 |
| Generic share | 37% of claims |
Education and affiliations
| Medical school | University of Massachusetts Medical School |
|---|---|
| Graduation year | 1979 |
| Medicare specialty | Endocrinology |
| Telehealth | Offers telehealth |
Medical group
- Privia Medical Group of Georgia LLCFayetteville, GA · 462 clinicians
Hospital affiliations
- Beaufort County Memorial HospitalBeaufort, SC
- Candler HospitalSavannah, GA
- St Joseph's Hospital - SavannahSavannah, GA
Industry payments (Open Payments)
- 2025$1,033 · 56 payments from 14 companies
- 2024$1,114 · 54 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $222.14 | 9 |
| Novo Nordisk Inc | $221.24 | 17 |
| Insulet Corporation | $134.91 | 8 |
| Calliditas Therapeutics US Inc. | $103.59 | 5 |
| Mallinckrodt Hospital Products Inc. | $83.27 | 4 |
What the 2025 payments were for
- Food and Beverage$1,013 · 55 payments
- Education$20.08 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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