John Warren
NPI 1013120104ActiveIndividual· Internal Medicine· Tuscaloosa, AL
Internal Medicine in Tuscaloosa, Alabama, trained at University of Alabama School of Medicine (class of 2008). Their prescriptions cost Medicare Part D more than their services did: $2,875,621 for 30,187 claims, against $341,555 paid for services in 2024. Pfizer Inc. was the largest of 6 companies reporting payments in 2025, $173.16 in all, mostly food and beverage.
Overview
| NPI | 1013120104 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | May 7, 2007 |
| Last updated in NPPES | Mar 5, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | MD.27877 | AL |
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) | Enrolled Practitioner - Internal Medicine (AL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 560 |
|---|---|
| Services billed | 25,732 across 78 procedure codes |
| Paid by Medicare | $341,555 |
Part D prescriptions in 2024
| Prescriptions (claims) | 30,187 · 53,128 30-day fills |
|---|---|
| Patients | 1,220 |
| Total drug cost | $2,875,621 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Alabama School of Medicine |
|---|---|
| Graduation year | 2008 |
| Medicare specialty | Internal Medicine |
Medical group
- Tuskaloosa Internal Medicine LLCTuscaloosa, AL · 9 clinicians
Hospital affiliations
- Dch Regional Medical CenterTuscaloosa, AL
- Fayette Medical CenterFayette, AL
Other facilities
- Amedisys Home Health of TuscaloosaHome health agency · Northport, AL
- Aveanna Home HealthHome health agency · Hoover, AL
- Dch Home Health Care AgencyHome health agency · Tuscaloosa, AL
- Enhabit Home HealthHome health agency · Hoover, AL
- Enhabit Home HealthHome health agency · Carrollton, AL
- Hospice of West AlabamaHospice · Tuscaloosa, AL
- Southerncare New Beacon - JasperHospice · Northport, AL
- Glen Haven Health and Rehabilitation, LLCNursing home · Northport, AL
Industry payments (Open Payments)
- 2025$173.16 · 10 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $57.88 | 3 |
| Abbott Laboratories | $35.11 | 2 |
| Exact Sciences Corporation | $31.64 | 2 |
| Lundbeck LLC | $18.46 | 1 |
| Lilly USA, LLC | $15.54 | 1 |
What the 2025 payments were for
- Food and Beverage$173.16 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Tuscaloosa
- 1023313103
- 1114910205
- 1609099688
- 1558731067
- 1760545198
- 1982103974
- 1285033787
- 1689146250
- 1083985519
- 1225146004
- 1790908770
- 1376035543