Quick answers
- Which hospitals does John C. Ahrens work at?
- Medicare's official clinician data lists John C. Ahrens at 3 hospitals: Cooper University Hospital, Inspira Medical Center Mullica Hill and Inspira Medical Center Vineland. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John C. Ahrens see patients?
- Medicare's clinician data lists 1 practice location in Vineland, NJ. Call before your visit to confirm the address.
- What is John C. Ahrens's specialty?
- Medicare lists Internal Medicine as the primary specialty, and also Infectious Disease.
- Does John C. Ahrens accept Medicare assignment?
- Yes. Medicare's clinician data says John C. Ahrens 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.
- Does John C. Ahrens offer telehealth?
- Medicare's clinician data says John C. Ahrens offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for John C. Ahrens?
- (856) 794-8700, as listed in official Medicare / NPI Registry data.
- What is John C. Ahrens's NPI number?
- 1568443646. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where John C. Ahrens works
Medicare's Facility Affiliation Data lists John C. Ahrens at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Cooper University HospitalCamden, NJ · Acute Care Hospital · CCN 310014
- Inspira Medical Center Mullica HillElmer, NJ · Acute Care Hospital · CCN 310069
- Inspira Medical Center VinelandVineland, NJ · Acute Care Hospital · CCN 310032
Practice locations
Addresses where John C. Ahrens is enrolled with Medicare (CMS data updated 2026-10-02).
- 1450 E Chestnut Ave, Suite 3aVineland, NJ 08361 (856) 794‑8700
Group practices
Medicare enrollment lists John C. Ahrens as a member of this group (CMS data updated 2026-10-02).
- Cumberland Internal Medicine5 clinicians in the group
Specialties
- Internal Medicineprimary
- Infectious Diseasealso
Other internal medicine doctors in Vineland
Clinicians with the same Medicare primary specialty in Vineland, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | Temple University School Of Medicine |
| Graduation year | 1987 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1568443646 |
| 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