Abhijin Das, MBBS
NPI 1578870929ActiveIndividual· Internal Medicine, Nephrology· Shreveport, LA
Internal Medicine, Nephrology (MBBS) with USA Health Physician Billing Services LLC and 1 other group, practicing in Shreveport, Louisiana. Their prescriptions cost Medicare Part D more than their services did: $102,986 for 285 claims, against $45,999 paid for services in 2024. Calliditas Therapeutics US Inc. was the largest of 8 companies reporting payments in 2025, $277.28 in all, mostly food and beverage. Lists Christus Shreveport-Bossier Health System and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1578870929 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MBBS |
| Sole proprietor | No |
| NPI issued | Sep 7, 2010 |
| Last updated in NPPES | Nov 17, 2025 |
| Certified by provider | Nov 17, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 347490 | LA |
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 (AL); Practitioner - Nephrology (LA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 427 across 18 procedure codes |
| Paid by Medicare | $45,999 |
Part D prescriptions in 2024
| Prescriptions (claims) | 285 · 637 30-day fills |
|---|---|
| Patients | 86 |
| Total drug cost | $102,986 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Nephrology |
Medical groups
- USA Health Physician Billing Services LLCMobile, AL · 339 clinicians
- Northwest Louisiana Nephrology, LLCShreveport, LA · 23 clinicians
Hospital affiliations
- Christus Shreveport-Bossier Health SystemShreveport, LA
- Desoto Regional Health SystemMansfield, LA
- Willis Knighton Medical CenterShreveport, LA
Other facilities
- Fmcna - East MindenDialysis facility · Minden, LA
- Fmcna - HomerDialysis facility · Homer, LA
- Fmcna - Minden DialysisDialysis facility · Minden, LA
Industry payments (Open Payments)
- 2025$277.28 · 13 payments from 8 companies
- 2024$252.33 · 5 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Calliditas Therapeutics US Inc. | $109.19 | 4 |
| Fresenius USA Marketing, Inc. | $68.05 | 3 |
| Novartis Pharmaceuticals Corporation | $20.65 | 1 |
| Bayer Healthcare Pharmaceuticals Inc. | $18.00 | 1 |
| Scpharmaceuticals Inc. | $17.33 | 1 |
What the 2025 payments were for
- Food and Beverage$277.28 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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