Mark J. Hotchkiss, MD
NPI 1861488033ActiveIndividual· Internal Medicine, Nephrology· Orange, CT
Internal Medicine, Nephrology (MD) in Orange, Connecticut, trained at State University of New York at Stony Brook, School of Medicine (class of 1990). Their prescriptions cost Medicare Part D more than their services did: $355,507 for 1,809 claims, against $121,513 paid for services in 2024. Akebia Therapeutics Inc was the largest of 2 companies reporting payments in 2025, $37.75 in all, mostly food and beverage.
Overview
| NPI | 1861488033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Sep 23, 2005 |
| Last updated in NPPES | Apr 11, 2025 |
| Certified by provider | Apr 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 34345 | CT |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nephrology (CT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 290 |
|---|---|
| Services billed | 2,967 across 18 procedure codes |
| Paid by Medicare | $121,513 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,809 · 4,659 30-day fills |
|---|---|
| Patients | 329 |
| Total drug cost | $355,507 |
| Generic share | 87% of claims |
Education and affiliations
| Medical school | State University of New York at Stony Brook, School of Medicine |
|---|---|
| Graduation year | 1990 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Hhc Physician Services PLLCHamden, CT · 132 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- St Vincent's Medical CenterBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Fresenius Medical Care of FairfieldDialysis facility · Fairfield, CT
Industry payments (Open Payments)
- 2025$37.75 · 2 payments from 2 companies
- 2024$5.46 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Akebia Therapeutics Inc | $23.88 | 1 |
| Fresenius USA Marketing, Inc. | $13.87 | 1 |
What the 2025 payments were for
- Food and Beverage$37.75 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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