Quick answers
- Does Timothy J. Mahoney accept Medicare assignment?
- Yes. Medicare's clinician data says Timothy J. Mahoney accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- How many Medicare patients does Timothy J. Mahoney see?
- In 2024, CMS data shows 22 Original Medicare patients and 68 services for Timothy J. Mahoney. This counts Original Medicare only and measures volume, not quality.
- What is Timothy J. Mahoney's NPI number?
- 1689608192. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Timothy J. Mahoney, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 22 |
|---|---|
| Services billed to Medicare | 68 |
| Different services or procedures | 13 |
| Participating Medicare provider | Yes |
| Average age of these patients | 72 |
Most frequent services
- Ultrasound study of arm or leg veins with compression and maneuvers (93970)18 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol55%
- Arthritis50%
Practice locations
Addresses where Timothy J. Mahoney is enrolled with Medicare (CMS data updated October 2, 2026).
- 1650 45th St S, Suite 114Fargo, ND 58103 (888) 782‑8346
- 301 NP Ave NFargo, ND 58102 (701) 271‑3344
Group practices
Medicare enrollment lists Timothy J. Mahoney as a member of these groups (CMS data updated October 2, 2026).
- Family Health Care Center24 clinicians in the group
- Physicians Vein Clinics PC7 clinicians in the group
Specialties
- General Surgeryprimary
- Family Practicealso
Other general surgeons in Fargo
Clinicians with the same Medicare primary specialty in Fargo, ND — not a recommendation.
Other clinicians in Family Health Care Center
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Tufts University School Of Medicine |
| Graduation year | 1974 (52 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689608192 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians