John D. McCallum III, M.D.
NPI 1447247606ActiveIndividual· Orthopaedic Surgery· Branford, CT
Orthopaedic Surgery (M.D.) in Branford, Connecticut, trained at Perelman School of Med at the University of Pennsylvania (class of 1989). 331 Medicare patients in 2024, $155,406 paid; all of their 359 Part D prescriptions were generic. Zimmer Biomet Holdings, Inc. was the largest of 2 companies reporting payments in 2025, $1,654 in all, mostly travel and lodging.
Overview
| NPI | 1447247606 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 3, 2005 |
| Last updated in NPPES | May 12, 2026 |
| Certified by provider | May 12, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Orthopaedic Surgery Primary | 207X00000X | 34635 | CT |
| Orthopaedic Surgery, Adult Reconstructive Orthopaedic Surgery | 207XS0114X | 34635 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Orthopedic Surgery (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 331 |
|---|---|
| Services billed | 1,240 across 26 procedure codes |
| Paid by Medicare | $155,406 |
Part D prescriptions in 2024
| Prescriptions (claims) | 359 · 367 30-day fills |
|---|---|
| Patients | 216 |
| Total drug cost | $895.15 |
| Generic share | 100% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1989 |
| Medicare specialty | Orthopedic Surgery |
Medical groups
- Ptsma IncAnsonia, CT · 224 clinicians
- Connecticut Orthopaedic Specialists PCFairfield, CT · 180 clinicians
Hospital affiliations
- Midstate Medical CenterMeriden, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Atrinity Home HealthHome health agency · Wallingford, CT
- Infinity Homecare Services, LLCHome health agency · Hamden, CT
- Pathwell Home HealthHome health agency · Stratford, CT
Industry payments (Open Payments)
- 2025$1,654 · 17 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zimmer Biomet Holdings, Inc. | $1,628 | 16 |
| Pacira Pharmaceuticals Incorporated | $25.25 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,123 · 5 payments
- Food and Beverage$530.80 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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