Diptesh Ramnarain Gupta, M.D.
NPI 1326201260ActiveIndividual· Internal Medicine, Nephrology· Tulsa, OK
Internal Medicine, Nephrology (M.D.) with Warren Clinic Inc, practicing in Tulsa, Oklahoma. 672 Medicare patients in 2024, $231,055 paid; nearly all of their 2,766 Part D prescriptions were generic (93%). Amgen Inc. was the largest of 16 companies reporting payments in 2025, $1,089 in all, mostly food and beverage. Lists Saint Francis Hospital Muskogee and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1326201260 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 9, 2008 |
| Last updated in NPPES | Feb 24, 2020 |
| Certified by provider | Feb 24, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 29614 | OK |
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 (OK) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 672 |
|---|---|
| Services billed | 3,422 across 47 procedure codes |
| Paid by Medicare | $231,055 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,766 · 6,466 30-day fills |
|---|---|
| Patients | 415 |
| Total drug cost | $167,480 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Warren Clinic IncTulsa, OK · 883 clinicians
Hospital affiliations
- Saint Francis Hospital MuskogeeMuskogee, OK
- Saint Francis Hospital South, LLCTulsa, OK
- Saint Francis Hospital Vinita, IncVinita, OK
- Saint Francis Hospital, IncTulsa, OK
- Stillwater Medical CenterStillwater, OK
Other facilities
- Fmcna - Richard MedlockDialysis facility · Tulsa, OK
Industry payments (Open Payments)
- 2025$1,089 · 56 payments from 16 companies
- 2024$1,346 · 56 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $193.60 | 10 |
| Travere Therapeutics, Inc. | $106.94 | 7 |
| Bayer Healthcare Pharmaceuticals Inc. | $103.86 | 5 |
| Otsuka America Pharmaceutical, Inc. | $103.42 | 5 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $100.84 | 5 |
What the 2025 payments were for
- Food and Beverage$1,088 · 55 payments
- Education$1.86 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 nephrologists in Tulsa · All nephrologists in Oklahoma