Collins F. Kellogg Jr., MD
NPI 1225031255ActiveIndividual· Internal Medicine· Watertown, NY
Internal Medicine (MD) in Watertown, New York, trained at Columbia University College of Physicians and Surgeons (class of 1984). Their prescriptions cost Medicare Part D more than their services did: $2,386,897 for 18,875 claims, against $374,645 paid for services in 2024. Madrigal Pharmaceuticals was the largest of 12 companies reporting payments in 2025, $705.61 in all, mostly food and beverage.
Overview
| NPI | 1225031255 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | May 23, 2005 |
| Last updated in NPPES | Oct 25, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 169537 | NY |
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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 687 |
|---|---|
| Services billed | 11,522 across 73 procedure codes |
| Paid by Medicare | $374,645 |
Part D prescriptions in 2024
| Prescriptions (claims) | 18,875 · 35,069 30-day fills |
|---|---|
| Patients | 1,189 |
| Total drug cost | $2,386,897 |
| Generic share | 81% of claims |
Education and affiliations
| Medical school | Columbia University College of Physicians and Surgeons |
|---|---|
| Graduation year | 1984 |
| Medicare specialty | Internal Medicine |
Medical groups
- Watertown Internists PCWatertown, NY · 10 clinicians
- Watertown Urgent Care PLLCWatertown, MA · 10 clinicians
Hospital affiliations
- Gouverneur HospitalGouverneur, NY
- Lewis County General HospitalLowville, NY
- River Hospital ClinicsAlexandria Bay, NY
- Samaritan Medical CenterWatertown, NY
- University Hospital S U N y Health Science CenterSyracuse, NY
Other facilities
- Jefferson Co Pub Hlth Svs ChhaHome health agency · Watertown, NY
- Samaritan Home Health, IncHome health agency · Watertown, NY
- Hospice of Jefferson Co/Palliative Care of JeffersHospice · Watertown, NY
- Samaritan Senior Village, IncNursing home · Watertown, NY
Industry payments (Open Payments)
- 2025$705.61 · 28 payments from 12 companies
- 2024$702.11 · 25 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Madrigal Pharmaceuticals | $226.11 | 3 |
| Abbvie Inc. | $93.40 | 4 |
| Novo Nordisk Inc | $64.64 | 3 |
| Phathom Pharmaceuticals, Inc. | $59.15 | 5 |
| Otsuka America Pharmaceutical, Inc. | $58.10 | 2 |
What the 2025 payments were for
- Food and Beverage$705.61 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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