Douglas C. Lanier, M.D.
NPI 1205825643ActiveIndividual· Internal Medicine, Nephrology· Gulfport, MS
Internal Medicine, Nephrology (M.D.) in Gulfport, Mississippi, trained at University of Alabama School of Medicine (class of 1974). Their prescriptions cost Medicare Part D more than their services did: $491,603 for 2,151 claims, against $173,004 paid for services in 2024. Invivyd Inc was the largest of 2 companies reporting payments in 2025, $23.46 in all, mostly food and beverage.
Overview
| NPI | 1205825643 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 18, 2005 |
| Last updated in NPPES | Jul 10, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 8833 | MS |
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 - Nephrology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 200 |
|---|---|
| Services billed | 912 across 13 procedure codes |
| Paid by Medicare | $173,004 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,151 · 3,783 30-day fills |
|---|---|
| Patients | 224 |
| Total drug cost | $491,603 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 1974 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- South Mississippi Nephrology, PLLCGulfport, MS · 10 clinicians
Hospital affiliations
- Memorial Hospital at GulfportGulfport, MS
- Singing River GulfportGulfport, MS
Other facilities
- Fmc Gulfport S. Ms Kidney CtrDialysis facility · Gulfport, MS
- Fmc Orange GroveDialysis facility · Gulfport, MS
- North Gulfport Home ProgramDialysis facility · Gulfport, MS
Industry payments (Open Payments)
- 2025$23.46 · 2 payments from 2 companies
- 2024$931.75 · 43 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Invivyd Inc | $21.80 | 1 |
| Travere Therapeutics, Inc. | $1.66 | 1 |
What the 2025 payments were for
- Food and Beverage$21.80 · 1 payment
- Education$1.66 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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