Quick answers
- Which hospitals does Maher Ajam work at?
- Medicare's official clinician data lists Maher Ajam at 5 hospitals: Franciscan Health Crown Point, Franciscan Health Michigan City, Methodist Hospitals Inc, Northwest Health - Porter and St Mary Medical Center Inc. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Maher Ajam see patients?
- Medicare's clinician data lists 4 practice locations, including Merrillville, IN, Hammond, IN and Portage, IN. Call before your visit to confirm the address.
- What is Maher Ajam's specialty?
- Medicare lists Nephrology as the primary specialty, and also Internal Medicine.
- Does Maher Ajam accept Medicare assignment?
- Yes. Medicare's clinician data says Maher Ajam accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Maher Ajam?
- (219) 769-5227, as listed in official Medicare / NPI Registry data.
- What is Maher Ajam's NPI number?
- 1548265135. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Maher Ajam works
Medicare's Facility Affiliation Data lists Maher Ajam at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Franciscan Health Crown PointCrown Point, IN · Acute Care Hospital · CCN 150126
- Franciscan Health Michigan CityMichigan City, IN · Acute Care Hospital · CCN 150015
- Methodist Hospitals IncGary, IN · Acute Care Hospital · CCN 150002
- Northwest Health - PorterValparaiso, IN · Acute Care Hospital · CCN 150035
- St Mary Medical Center IncHobart, IN · Acute Care Hospital · CCN 150034
Practice locations
Addresses where Maher Ajam is enrolled with Medicare (CMS data updated 2026-10-02).
- 521 E 86th Ave, Suite KMerrillville, IN 46410 (219) 769‑5227
- 5500 Hohman Ave, Suite 1cHammond, IN 46320 (219) 832‑4006
- 5823 US Hwy 6, Suite BPortage, IN 46368 (219) 764‑8020
- 606 LincolnwayValparaiso, IN 46383 (219) 464‑0083
Group practices
Medicare enrollment lists Maher Ajam as a member of this group (CMS data updated 2026-10-02).
- Nephrology Specialists, P.C.9 clinicians in the group
Specialties
- Nephrologyprimary
- Internal Medicinealso
Other nephrologists in Merrillville
Clinicians with the same Medicare primary specialty in Merrillville, IN — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 1978 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1548265135 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians