Himanshu Tandon, M.D.
NPI 1952501918ActiveIndividual· Internal Medicine, Cardiovascular Disease· Waterloo, IA
Internal Medicine, Cardiovascular Disease (M.D.) with Allen Memorial Hospital Corporation, practicing in Waterloo, Iowa. Their prescriptions cost Medicare Part D more than their services did: $1,317,799 for 8,351 claims, against $335,281 paid for services in 2024. Medtronic, Inc. was the largest of 3 companies reporting payments in 2025, $101.78 in all, mostly food and beverage. Lists Allen Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1952501918 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jul 18, 2007 |
| Last updated in NPPES | Mar 11, 2025 |
| Certified by provider | Mar 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Cardiovascular Disease Primary | 207RC0000X | 39996 | IA |
| Internal Medicine, Interventional Cardiology | 207RI0011X | 39996 | IA |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 4, 2026 | No match | — |
| New York OMIG · Nov 4, 2026 | No match | — |
| Ohio Medicaid · Nov 4, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 4, 2026 | No match | — |
| Washington HCA · Nov 4, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Interventional Cardiology (IA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 2,916 |
|---|---|
| Services billed | 7,879 across 126 procedure codes |
| Paid by Medicare | $335,281 |
Part D prescriptions in 2024
| Prescriptions (claims) | 8,351 · 17,934 30-day fills |
|---|---|
| Patients | 1,039 |
| Total drug cost | $1,317,799 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 1998 |
|---|---|
| Medicare specialty | Interventional Cardiology |
Medical group
- Allen Memorial Hospital CorporationWaterloo, IA · 157 clinicians
Hospital affiliations
- Allen HospitalWaterloo, IA
- Community Memorial Hospital Medical CenterSumner, IA
- Grundy County Memorial HospitalGrundy Center, IA
- Unitypoint Health - MarshalltownMarshalltown, IA
- Waverly Health CenterWaverly, IA
Industry payments (Open Payments)
- 2025$101.78 · 4 payments from 3 companies
- 2024$2,021 · 18 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $42.89 | 2 |
| Boston Scientific Corporation | $33.97 | 1 |
| Teleflex LLC | $24.92 | 1 |
What the 2025 payments were for
- Food and Beverage$101.78 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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