Karen E. Zagar, M.D.
NPI 1902889587ActiveIndividual· Internal Medicine, Rheumatology· Palm Harbor, FL
Internal Medicine, Rheumatology (M.D.) in Palm Harbor, Florida, trained at Perelman School of Med at the University of Pennsylvania (class of 1985). In 2024 Medicare paid $1,389,250 for 346 patients, and Part D covered 2,080 of their prescriptions, 79% of them generic. Abbvie Inc. was the largest of 30 companies reporting payments in 2025, $3,619 in all, mostly food and beverage.
Overview
| NPI | 1902889587 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Nov 28, 2005 |
| Last updated in NPPES | Dec 6, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Rheumatology Primary | 207RR0500X | ME92979 | 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 | 346 |
|---|---|
| Services billed | 116,213 across 62 procedure codes |
| Paid by Medicare | $1,389,250 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,080 · 4,383 30-day fills |
|---|---|
| Patients | 311 |
| Total drug cost | $1,580,954 |
| Generic share | 79% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1985 |
| Medicare specialty | Rheumatology |
| Telehealth | Offers telehealth |
Medical group
- Arthritis Center IncPalm Harbor, FL · 4 clinicians
Hospital affiliations
- Adventhealth North PinellasTarpon Springs, FL
- Mease Dunedin HospitalDunedin, FL
- Morton Plant HospitalClearwater, FL
- St Josephs HospitalTampa, FL
Industry payments (Open Payments)
- 2025$3,619 · 172 payments from 30 companies
- 2024$4,475 · 172 payments from 25 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $480.70 | 17 |
| Ucb, Inc. | $331.50 | 19 |
| Amgen Inc. | $317.67 | 23 |
| Mallinckrodt Hospital Products Inc. | $279.90 | 9 |
| Glaxosmithkline, LLC. | $271.39 | 11 |
What the 2025 payments were for
- Food and Beverage$3,619 · 172 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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