Timothy Albury Arling, MD
NPI 1588930234ActiveIndividual· Internal Medicine· Chevy Chase, MD
Internal Medicine (MD) in Chevy Chase, Maryland, trained at University of Maryland School of Medicine (class of 2012). Their prescriptions cost Medicare Part D more than their services did: $950,336 for 6,301 claims, against $164,397 paid for services in 2024. Novo Nordisk Inc was the largest of 14 companies reporting payments in 2025, $661.29 in all, mostly food and beverage.
Overview
| NPI | 1588930234 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Mar 27, 2012 |
| Last updated in NPPES | Jun 11, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | D0080112 | MD |
| Internal Medicine | 207R00000X | MD042631 | DC |
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 | 444 |
|---|---|
| Services billed | 2,056 across 42 procedure codes |
| Paid by Medicare | $164,397 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,301 · 14,503 30-day fills |
|---|---|
| Patients | 491 |
| Total drug cost | $950,336 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | University of Maryland School of Medicine |
|---|---|
| Graduation year | 2012 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Potomac Internists, P.C.Washington, DC · 3 clinicians
Hospital affiliations
- Sibley Memorial HospitalWashington, DC
- Virginia Hospital CenterArlington, VA
Other facilities
- Jewish Social Service Agency HospiceHospice · Rockville, MD
Industry payments (Open Payments)
- 2025$661.29 · 28 payments from 14 companies
- 2024$786.14 · 38 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $122.77 | 5 |
| Pfizer Inc. | $106.39 | 5 |
| Abbvie Inc. | $58.18 | 3 |
| Bausch Health US, LLC | $53.33 | 2 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $51.60 | 2 |
What the 2025 payments were for
- Food and Beverage$661.29 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 62 internal medicine physicians in Chevy Chase · All internal medicine physicians in Maryland