Calvin Charles Patrick Baker, MD
NPI 1457814220ActiveIndividual· Internal Medicine, Nephrology· Tupelo, MS
Internal Medicine, Nephrology (MD) in Tupelo, Mississippi, trained at University of South Alabama College of Medicine (class of 2019). In 2024 Medicare paid $125,155 for 412 patients, and Part D covered 339 of their prescriptions, 80% of them generic. Fresenius USA Marketing, Inc. was the largest of 14 companies reporting payments in 2025, $1,148 in all, mostly food and beverage.
Overview
| NPI | 1457814220 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Apr 9, 2019 |
| Last updated in NPPES | Aug 28, 2024 |
| Certified by provider | Aug 28, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 33281 | MS |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (AL); Practitioner - Nephrology (MS) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 412 |
|---|---|
| Services billed | 2,641 across 24 procedure codes |
| Paid by Medicare | $125,155 |
Part D prescriptions in 2024
| Prescriptions (claims) | 339 · 653 30-day fills |
|---|---|
| Patients | 148 |
| Total drug cost | $82,023 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | University of South Alabama College of Medicine |
|---|---|
| Graduation year | 2019 |
| Medicare specialty | Nephrology |
| Telehealth | Offers telehealth |
Medical group
- Nephrology and Hypertension Associates LtdTupelo, MS · 19 clinicians
Hospital affiliations
- North Mississippi Medical CenterTupelo, MS
- North Mississippi Medical Center-Gilmore AmoryAmory, MS
- Pontotoc Health Service Inc CahPontotoc, MS
- Tishomingo Health Services IncIuka, MS
Other facilities
- Fresenius Kidney Care TupeloDialysis facility · Tupelo, MS
- Rcg CorinthDialysis facility · Corinth, MS
- Tupelo Home TherapiesDialysis facility · Tupelo, MS
- North Mississippi Medical CenterInpatient rehabilitation facility · Tupelo, MS
Industry payments (Open Payments)
- 2025$1,148 · 55 payments from 14 companies
- 2024$444.23 · 25 payments from 15 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Fresenius USA Marketing, Inc. | $379.76 | 18 |
| Novartis Pharmaceuticals Corporation | $180.14 | 8 |
| Otsuka America Pharmaceutical, Inc. | $179.50 | 8 |
| Astrazeneca Pharmaceuticals LP | $87.71 | 5 |
| Bayer Healthcare Pharmaceuticals Inc. | $61.73 | 3 |
What the 2025 payments were for
- Food and Beverage$1,105 · 53 payments
- Education$42.89 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All Internal Medicine, Nephrology providers in Mississippi →