Steve Z. Kallabat, MD
NPI 1245291475ActiveIndividual· Internal Medicine· Bloomfield Hills, MI
Internal Medicine (MD) in Bloomfield Hills, Michigan, trained at Wayne State University School of Medicine (class of 1993). Their prescriptions cost Medicare Part D more than their services did: $617,290 for 5,294 claims, against $149,811 paid for services in 2024. Pfizer Inc. was the largest of 19 companies reporting payments in 2025, $1,655 in all, mostly food and beverage.
Overview
| NPI | 1245291475 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 29, 2006 |
| Last updated in NPPES | May 6, 2021 |
| Certified by provider | May 6, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 4301070138 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 313 |
|---|---|
| Services billed | 2,456 across 61 procedure codes |
| Paid by Medicare | $149,811 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,294 · 11,037 30-day fills |
|---|---|
| Patients | 420 |
| Total drug cost | $617,290 |
| Generic share | 85% of claims |
Education and affiliations
| Medical school | Wayne State University School of Medicine |
|---|---|
| Graduation year | 1993 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Pediatric Medicine |
| Telehealth | Offers telehealth |
Medical group
- Internal Medicine and Pediatrics of Bloomfield PCBloomfield Hills, MI · 3 clinicians
Hospital affiliations
- Beaumont Hospital - Farmington HillsFarmington Hills, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
Other facilities
- Beaumont Home HealthHome health agency · Troy, MI
Industry payments (Open Payments)
- 2025$1,655 · 85 payments from 19 companies
- 2024$1,956 · 89 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $509.37 | 22 |
| Novo Nordisk Inc | $273.42 | 17 |
| Astrazeneca Pharmaceuticals LP | $244.23 | 14 |
| Exact Sciences Corporation | $93.40 | 5 |
| Abbvie Inc. | $85.75 | 3 |
What the 2025 payments were for
- Food and Beverage$1,655 · 85 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 57 internal medicine physicians in Bloomfield Hills · All internal medicine physicians in Michigan