Inderjit Singh, MD
NPI 1609842434ActiveIndividual· Internal Medicine, Nephrology· Saint Louis, MO
Internal Medicine, Nephrology (MD) with Mercy Hospital Perry and 1 other group, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $1,069,992 for 13,098 claims, against $281,771 paid for services in 2024. Ardelyx, Inc. was the largest of 4 companies reporting payments in 2025, $74.53 in all, mostly food and beverage. Lists Christian Hospital Northeast and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1609842434 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Feb 23, 2006 |
| Last updated in NPPES | Mar 10, 2022 |
| Certified by provider | Mar 10, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 112064 | MO |
| Specialist | 174400000X | 112064 | MO |
| Specialist | 174400000X | 036-090622 | IL |
| Internal Medicine, Nephrology | 207RN0300X | 036-090622 | IL |
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 - Internal Medicine (IL); Practitioner - Internal Medicine (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 556 |
|---|---|
| Services billed | 3,140 across 21 procedure codes |
| Paid by Medicare | $281,771 |
Part D prescriptions in 2024
| Prescriptions (claims) | 13,098 · 30,412 30-day fills |
|---|---|
| Patients | 1,293 |
| Total drug cost | $1,069,992 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 1986 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Nephrology |
| Telehealth | Offers telehealth |
Medical groups
- Mercy Hospital PerryPerryville, MO · 117 clinicians
- Inderjit Singh MD Facp LLCGranite City, IL · 2 clinicians
Hospital affiliations
- Christian Hospital NortheastSaint Louis, MO
- Gateway Regional Medical CenterGranite City, IL
- Mercy Hospital PerryPerryville, MO
- Ssm Health Depaul Hospital St LouisBridgeton, MO
- Washington County Memorial HospitalPotosi, MO
Other facilities
- Concerto Missouri LLCDialysis facility · Kansas City, MO
- Fmc - ArnoldDialysis facility · Arnold, MO
- Jefferson County Dialysis CenterDialysis facility · Festus, MO
- Metro Dialysis Center - NorthDialysis facility · Florissant, MO
- Quality Care Dialysis Centers - North CountyDialysis facility · Florissant, MO
Industry payments (Open Payments)
- 2025$74.53 · 4 payments from 4 companies
- 2024$118.28 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Ardelyx, Inc. | $28.01 | 1 |
| Vifor Pharma, Inc. | $22.12 | 1 |
| Abbvie Inc. | $17.86 | 1 |
| Travere Therapeutics, Inc. | $6.54 | 1 |
What the 2025 payments were for
- Food and Beverage$74.53 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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