John Robert Gray, M.D.
NPI 1619998499ActiveIndividual· Internal Medicine, Nephrology· Brooklyn Center, MN
Internal Medicine, Nephrology (M.D.) in Brooklyn Center, Minnesota, trained at University of North Dakota School of Medicine (class of 1987). Their prescriptions cost Medicare Part D more than their services did: $251,464 for 1,039 claims, against $99,131 paid for services in 2024. Vifor Pharma, Inc. reported $20.72 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1619998499 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 21, 2006 |
| Last updated in NPPES | Mar 11, 2021 |
| Certified by provider | Mar 11, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 32388 | MN |
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 (MN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 360 |
|---|---|
| Services billed | 872 across 15 procedure codes |
| Paid by Medicare | $99,131 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,039 · 2,482 30-day fills |
|---|---|
| Patients | 182 |
| Total drug cost | $251,464 |
| Generic share | 83% of claims |
Education and affiliations
| Medical school | University of North Dakota School of Medicine |
|---|---|
| Graduation year | 1987 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- North Memorial Health CareRobbinsdale, MN · 504 clinicians
- Kidney Specialists of Minnesota, PABrooklyn Center, MN · 33 clinicians
- Regency Hospital of Minneapolis, LLCGolden Valley, MN · 21 clinicians
Hospital affiliations
- Abbott Northwestern HospitalMinneapolis, MN
- Hutchinson HealthHutchinson, MN
- Maple Grove HospitalMaple Grove, MN
- North Memorial Health HospitalRobbinsdale, MN
- Ridgeview Medical CenterWaconia, MN
Other facilities
- Fresenius Kidney Care Brooklyn CenterDialysis facility · Brooklyn Center, MN
- Fresenius Medical Care - ChamplinDialysis facility · Champlin, MN
Industry payments (Open Payments)
- 2025$20.72 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $20.72 | 1 |
What the 2025 payments were for
- Food and Beverage$20.72 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 18 nephrologists in Brooklyn Center · All nephrologists in Minnesota