Maher Ajam, M.D.
NPI 1548265135ActiveIndividual· Internal Medicine, Nephrology· Merrillville, IN
Internal Medicine, Nephrology (M.D.) with Nephrology Specialists, P.C., practicing in Merrillville, Indiana. In 2024 Medicare paid $222,963 for 573 patients, and Part D covered 2,158 of their prescriptions, 85% of them generic. Bayer Healthcare Pharmaceuticals Inc. was the largest of 11 companies reporting payments in 2025, $384.07 in all, mostly food and beverage. Lists Franciscan Health Crown Point and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1548265135 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 20, 2005 |
| Last updated in NPPES | Feb 14, 2014 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Nephrology Primary | 207RN0300X | 01035956A | IN |
| Internal Medicine | 207R00000X | 01035956 | IN |
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 - Nephrology (IN) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 573 |
|---|---|
| Services billed | 2,256 across 18 procedure codes |
| Paid by Medicare | $222,963 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,158 · 5,152 30-day fills |
|---|---|
| Patients | 265 |
| Total drug cost | $267,962 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 1978 |
|---|---|
| Medicare specialty | Nephrology |
| Secondary specialties | Internal Medicine |
Medical group
- Nephrology Specialists, P.C.Gary, IN · 9 clinicians
Hospital affiliations
- Franciscan Health Crown PointCrown Point, IN
- Franciscan Health Michigan CityMichigan City, IN
- Methodist Hospitals IncGary, IN
- Northwest Health - PorterValparaiso, IN
- St Mary Medical Center IncHobart, IN
Other facilities
- Davita Comprehensive Renal Care - ValparaisoDialysis facility · Valparaiso, IN
- Davita Merrillville DialysisDialysis facility · Merrillville, IN
- Davita Portage DialysisDialysis facility · Portage, IN
- Fmc - Portage Dialysis CenterDialysis facility · Portage, IN
- Powers Health Rehabilitation CenterInpatient rehabilitation facility · Crown Point, IN
- St. Mary Medical Center IncInpatient rehabilitation facility · Hobart, IN
Industry payments (Open Payments)
- 2025$384.07 · 20 payments from 11 companies
- 2024$515.14 · 33 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Bayer Healthcare Pharmaceuticals Inc. | $73.28 | 4 |
| Fresenius USA Marketing, Inc. | $60.29 | 3 |
| Amgen Inc. | $46.83 | 3 |
| Otsuka America Pharmaceutical, Inc. | $38.99 | 2 |
| Calliditas Therapeutics US Inc. | $37.29 | 2 |
What the 2025 payments were for
- Food and Beverage$363.85 · 19 payments
- Education$20.22 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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