Quick answers
- Which hospitals does Charles A. Mitgang work at?
- Medicare's official clinician data lists Charles A. Mitgang at 2 hospitals: Long Island Jewish Medical Center and Mercy Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Charles A. Mitgang see patients?
- Medicare's clinician data lists 1 practice location in Rockville Centre, NY. Call before your visit to confirm the address.
- What is Charles A. Mitgang's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Charles A. Mitgang accept Medicare assignment?
- Yes. Medicare's clinician data says Charles A. Mitgang 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 Charles A. Mitgang offer telehealth?
- Medicare's clinician data says Charles A. Mitgang offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Charles A. Mitgang?
- (516) 678-5555, as listed in official Medicare / NPI Registry data.
- What is Charles A. Mitgang's NPI number?
- 1114923315. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Charles A. Mitgang works
Medicare's Facility Affiliation Data lists Charles A. Mitgang at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Long Island Jewish Medical CenterNew Hyde Park, NY · Acute Care Hospital · CCN 330195
- Mercy Medical CenterRockville Centre, NY · Acute Care Hospital · CCN 330259
Practice locations
Addresses where Charles A. Mitgang is enrolled with Medicare (CMS data updated 2026-10-02).
- 371 Merrick Rd, Suite 407Rockville Centre, NY 11570 (516) 678‑5555
Group practices
Medicare enrollment lists Charles A. Mitgang as a member of this group (CMS data updated 2026-10-02).
- Charles A. Mitgang, M.D. P.C.2 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Rockville Centre
Clinicians with the same Medicare primary specialty in Rockville Centre, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York Downstate Medical Center |
| Graduation year | 1975 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1114923315 |
| 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