Catherine Nina Kowal, MD
NPI 1013909332ActiveIndividual· Internal Medicine, Rheumatology· Naples, FL
Internal Medicine, Rheumatology (MD) with American Arthritis and Rheumatology Associates LLC, practicing in Naples, Florida. In 2024 Medicare paid $1,739,201 for 651 patients, and Part D covered 2,796 of their prescriptions, 88% of them generic. Ucb, Inc. was the largest of 16 companies reporting payments in 2025, $6,119 in all, mostly food and beverage. Lists Cape Coral Hospital and 3 other hospitals as hospital affiliations.
Overview
| NPI | 1013909332 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Aug 23, 2005 |
| Last updated in NPPES | Apr 28, 2022 |
| Certified by provider | Apr 28, 2022 |
| Reactivated | Apr 3, 2006 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | ME62925 | FL |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Rheumatology (FL) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 651 |
|---|---|
| Services billed | 182,256 across 43 procedure codes |
| Paid by Medicare | $1,739,201 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,796 · 5,708 30-day fills |
|---|---|
| Patients | 466 |
| Total drug cost | $2,428,226 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- American Arthritis and Rheumatology Associates LLCNaples, FL · 65 clinicians
Hospital affiliations
- Cape Coral HospitalCape Coral, FL
- Lee Memorial HospitalFort Myers, FL
- Naples Community HospitalNaples, FL
- Northwestern Medicine Central Dupage HospitalWinfield, IL
Industry payments (Open Payments)
- 2025$6,119 · 157 payments from 16 companies
- 2024$4,169 · 190 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ucb, Inc. | $3,658 | 40 |
| Novartis Pharmaceuticals Corporation | $365.90 | 20 |
| Mallinckrodt Hospital Products Inc. | $336.79 | 17 |
| Amgen Inc. | $284.81 | 19 |
| Abbvie Inc. | $274.37 | 9 |
What the 2025 payments were for
- Food and Beverage$3,346 · 155 payments
- Consulting Fee$2,760 · 1 payment
- Education$13.17 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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