Eric Joseph Chacko, M.D.
NPI 1437654662ActiveIndividual· Internal Medicine, Nephrology· New Haven, CT
Internal Medicine, Nephrology (M.D.) with Metabolism Associates PC, practicing in New Haven, Connecticut. Their prescriptions cost Medicare Part D more than their services did: $192,138 for 508 claims, against $81,441 paid for services in 2024. Travere Therapeutics, Inc. was the largest of 14 companies reporting payments in 2025, $920.34 in all, mostly food and beverage. Lists Bridgeport Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1437654662 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Mar 28, 2018 |
| Last updated in NPPES | Jun 4, 2026 |
| Certified by provider | Jun 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 74328 | 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 | 198 |
|---|---|
| Services billed | 1,527 across 23 procedure codes |
| Paid by Medicare | $81,441 |
Part D prescriptions in 2024
| Prescriptions (claims) | 508 · 1,064 30-day fills |
|---|---|
| Patients | 121 |
| Total drug cost | $192,138 |
| Generic share | 71% of claims |
Education and affiliations
| Graduation year | 2018 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Metabolism Associates PCNew Haven, CT · 9 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Fmc New Haven Home DialysisDialysis facility · New Haven, CT
- Fmc St. Raphael Dialysis Center - New HavenDialysis facility · New Haven, CT
Industry payments (Open Payments)
- 2025$920.34 · 39 payments from 14 companies
- 2024$514.81 · 24 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Travere Therapeutics, Inc. | $149.94 | 7 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $118.29 | 5 |
| Novo Nordisk Inc | $107.27 | 4 |
| Calliditas Therapeutics US Inc. | $95.32 | 3 |
| Fresenius USA Marketing, Inc. | $70.56 | 3 |
What the 2025 payments were for
- Food and Beverage$917.02 · 38 payments
- Education$3.32 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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