Ari Benjamin Geller, D.O.
NPI 1710927892ActiveIndividual· Internal Medicine, Nephrology· Bloomfield, CT
Internal Medicine, Nephrology (D.O.) in Bloomfield, Connecticut, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2002). Their prescriptions cost Medicare Part D more than their services did: $503,395 for 2,002 claims, against $145,492 paid for services in 2024. Mallinckrodt Hospital Products Inc. was the largest of 15 companies reporting payments in 2025, $82,944 in all, mostly speaking and faculty fees.
Overview
| NPI | 1710927892 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | Jun 17, 2021 |
| Certified by provider | Jun 17, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 046233 | 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 | 382 |
|---|---|
| Services billed | 1,169 across 21 procedure codes |
| Paid by Medicare | $145,492 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,002 · 3,634 30-day fills |
|---|---|
| Patients | 324 |
| Total drug cost | $503,395 |
| Generic share | 67% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2002 |
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Greater Hartford Nephrology LLCBloomfield, CT · 8 clinicians
Hospital affiliation
- St Francis Hospital & Medical CenterHartford, CT
Other facilities
- Dci - Avon Dialysis IncDialysis facility · Avon, CT
- Davita Bloomfield DialysisDialysis facility · Bloomfield, CT
- Davita Pdi Rocky HillDialysis facility · Rocky Hill, CT
- Davita Palomba Drive DialysisDialysis facility · Enfield, CT
- Davita Willard Avenue DialysisDialysis facility · Newington, CT
Industry payments (Open Payments)
- 2025$82,944 · 106 payments from 15 companies
- 2024$62,981 · 79 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Mallinckrodt Hospital Products Inc. | $41,943 | 32 |
| Akebia Therapeutics Inc | $23,977 | 39 |
| Lilly USA, LLC | $8,040 | 8 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $4,600 | 4 |
| Otsuka America Pharmaceutical, Inc. | $3,727 | 5 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$75,492 · 40 payments
- Food and Beverage$3,276 · 47 payments
- Travel and Lodging$3,066 · 17 payments
- Consulting Fee$1,110 · 1 payment
- Education$0.37 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nephrologists in Bloomfield
- 1437341948
- 1508065681
- 1629262415
- 1750388260
- 1962941583
- 1275530685