Quick answers
- Does Joseph C. Shanahan accept Medicare assignment?
- Yes. Medicare's clinician data says Joseph C. Shanahan 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 Joseph C. Shanahan see?
- In 2024, CMS data shows 581 Original Medicare patients and 309,185 services for Joseph C. Shanahan. This counts Original Medicare only and measures volume, not quality.
- What is Joseph C. Shanahan's NPI number?
- 1043394901. 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 Joseph C. Shanahan, 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 | 581 |
|---|---|
| Services billed to Medicare | 309,185 |
| Different services or procedures | 44 |
| Participating Medicare provider | Yes |
| Average age of these patients | 73 |
Most frequent services
- Injection, tocilizumab, 1 mg (J3262)155,250 services
- Injection, golimumab, 1 mg, for intravenous use (J1602)55,200 services
- Injection, romosozumab-aqqg, 1 mg (J3111)14,700 services
- Injection, denosumab, 1 mg (J0897)8,760 services
- Injection, infliximab, excludes biosimilar, 10 mg (J1745)3,800 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).
- Arthritis75%
- High cholesterol73%
- High blood pressure68%
- Osteoporosis51%
- Diabetes24%
- Ischemic heart disease24%
Hospitals where Joseph C. Shanahan works
Medicare's Facility Affiliation Data lists Joseph C. Shanahan at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.
- Johnston HealthSmithfield, NC · Acute Care Hospital · Medicare rating: 4 of 5 stars · Emergency services: listed by Medicare · CCN 340090
- Rex HospitalRaleigh, NC · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 340114
Practice locations
Addresses where Joseph C. Shanahan is enrolled with Medicare (CMS data updated October 2, 2026).
- 101 SW Cary PkwyCary, NC 27511 (919) 467‑7678
- 101 SW Cary Pkwy, Suite 10Cary, NC 27511 (919) 467‑7678
- 2222 E Nc Hwy 54, Suite 200Durham, NC 27713 (919) 405‑2040
Group practices
Medicare enrollment lists Joseph C. Shanahan as a member of these groups (CMS data updated October 2, 2026).
- Select Physical Therapy Holdings Inc2,024 clinicians in the group
- Shanahan Rheumatology and Immunotherapy, PLLC3 clinicians in the group
Specialties
- Rheumatologyprimary
Other rheumatologists in Cary
Clinicians with the same Medicare primary specialty in Cary, NC — not a recommendation.
Other clinicians in Select Physical Therapy Holdings Inc
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Rutgers New Jersey Medical School |
| Graduation year | 1997 (29 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1043394901 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
- Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
- 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