Robert Chai Kim, M.D.
NPI 1396737870ActiveIndividual· Internal Medicine, Nephrology· Trumbull, CT
Internal Medicine, Nephrology (M.D.) in Trumbull, Connecticut, trained at Yale University School of Medicine (class of 1988). In 2024 Medicare paid $112,521 for 357 patients, and Part D covered 191 of their prescriptions, 78% of them generic. Otsuka America Pharmaceutical, Inc. was the largest of 3 companies reporting payments in 2025, $79.42 in all, mostly food and beverage.
Overview
| NPI | 1396737870 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | Yes |
| NPI issued | Aug 19, 2005 |
| Last updated in NPPES | May 13, 2024 |
| Certified by provider | May 13, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 030981 | CT |
| Internal Medicine | 207R00000X | 030981 | 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 | 357 |
|---|---|
| Services billed | 928 across 19 procedure codes |
| Paid by Medicare | $112,521 |
Part D prescriptions in 2024
| Prescriptions (claims) | 191 · 426 30-day fills |
|---|---|
| Patients | 64 |
| Total drug cost | $25,417 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Yale University School of Medicine |
|---|---|
| Graduation year | 1988 |
| Medicare specialty | Nephrology |
Medical group
- Nephrology Associates PCTrumbull, CT · 10 clinicians
Hospital affiliations
- Bridgeport HospitalBridgeport, CT
- Griffin HospitalDerby, CT
- St Vincent's Medical CenterBridgeport, CT
- Yale-New Haven HospitalNew Haven, CT
Other facilities
- Davita Black Rock DialysisDialysis facility · Fairfield, CT
- Davita Bridgeport DialysisDialysis facility · Bridgeport, CT
- Davita Trumbull DialysisDialysis facility · Trumbull, CT
Industry payments (Open Payments)
- 2025$79.42 · 3 payments from 3 companies
- 2024$212.43 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $33.66 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $30.00 | 1 |
| Aurinia Pharma U.S., Inc. | $15.76 | 1 |
What the 2025 payments were for
- Food and Beverage$79.42 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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