Carl Johnson, MD
NPI 1205994266ActiveIndividual· Internal Medicine· Largo, MD
Internal Medicine (MD) in Largo, Maryland, trained at George Washington University School of Medicine (class of 1991). Their prescriptions cost Medicare Part D more than their services did: $383,368 for 4,546 claims, against $107,061 paid for services in 2024. Pfizer Inc. reported $15.90 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1205994266 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Dec 4, 2006 |
| Last updated in NPPES | Jul 8, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D45881 | MD |
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 - Internal Medicine (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 463 |
|---|---|
| Services billed | 1,526 across 39 procedure codes |
| Paid by Medicare | $107,061 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,546 · 11,472 30-day fills |
|---|---|
| Patients | 535 |
| Total drug cost | $383,368 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | George Washington University School of Medicine |
|---|---|
| Graduation year | 1991 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Medstar Medical Group II LLCWashington, DC · 3,767 clinicians
Other facilities
- Adoration Home Health MarlboroHome health agency · Upper Marlboro, MD
- Amedisys Home Health CareHome health agency · Largo, MD
- Americare in Home NursingHome health agency · Fort Washington, MD
- Medstar Health Home CareHome health agency · Hyattsville, MD
Industry payments (Open Payments)
- 2025$15.90 · 1 payment from 1 company
- 2024$19.78 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $15.90 | 1 |
What the 2025 payments were for
- Food and Beverage$15.90 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other internal medicine physicians in Largo
- 1043209331
- 1417018789
- 1528028297
- 1679821458
- 1699764977
- 1992265995
- 1316673924
- 1316689292
- 1407596364
- 1457093346
- 1063540045
- 1114189560
All 42 internal medicine physicians in Largo · All internal medicine physicians in Maryland