Angus Brennan Worthing, MD
NPI 1558534925ActiveIndividual· Internal Medicine, Rheumatology· Washington, DC
Internal Medicine, Rheumatology (MD) in Washington, District of Columbia, trained at University of Minnesota Medical School (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,716,306 for 1,811 claims, against $747,754 paid for services in 2024. Invivyd Inc was the largest of 3 companies reporting payments in 2025, $1,777 in all, mostly consulting fees.
Overview
| NPI | 1558534925 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 8, 2008 |
| Last updated in NPPES | Feb 17, 2026 |
| Certified by provider | Feb 17, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | MD035407 | DC |
| Internal Medicine, Rheumatology | 207RR0500X | D0067477 | MD |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 745 |
|---|---|
| Services billed | 47,531 across 122 procedure codes |
| Paid by Medicare | $747,754 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,811 · 3,711 30-day fills |
|---|---|
| Patients | 308 |
| Total drug cost | $1,716,306 |
| Generic share | 84% of claims |
Education and affiliations
| Medical school | University of Minnesota Medical School |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical groups
- Suburban/Nrh Medical Rehabilitation IncBethesda, MD · 941 clinicians
- Arthritis and Rheumatism Associates PCChevy Chase, MD · 50 clinicians
Hospital affiliations
- Sibley Memorial HospitalWashington, DC
- Virginia Hospital CenterArlington, VA
Industry payments (Open Payments)
- 2025$1,777 · 3 payments from 3 companies
- 2024$6,024 · 14 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Invivyd Inc | $1,628 | 1 |
| Ucb, Inc. | $131.00 | 1 |
| Pacira Pharmaceuticals Incorporated | $18.64 | 1 |
What the 2025 payments were for
- Consulting Fee$1,628 · 1 payment
- Food and Beverage$149.64 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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