Quick answers
- Which hospitals does John H. Krumenacker work at?
- Medicare's official clinician data lists John H. Krumenacker at 1 hospital: Nassau University Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does John H. Krumenacker see patients?
- Medicare's clinician data lists 1 practice location in East Meadow, NY. Call before your visit to confirm the address.
- What is John H. Krumenacker's specialty?
- Medicare lists Diagnostic Radiology as the primary specialty.
- Does John H. Krumenacker accept Medicare assignment?
- Yes. Medicare's clinician data says John H. Krumenacker 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 John H. Krumenacker?
- (516) 486-6862, as listed in official Medicare / NPI Registry data.
- What is John H. Krumenacker's NPI number?
- 1780661827. 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 H. Krumenacker works
Medicare's Facility Affiliation Data lists John H. Krumenacker at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Nassau University Medical CenterEast Meadow, NY · Acute Care Hospital · CCN 330027
Practice locations
Addresses where John H. Krumenacker is enrolled with Medicare (CMS data updated 2026-10-02).
- 2201 Hempstead TpkeEast Meadow, NY 11554 (516) 486‑6862
Group practices
Medicare enrollment lists John H. Krumenacker as a member of this group (CMS data updated 2026-10-02).
- Nassau Health Care Corporation178 clinicians in the group
Specialties
- Diagnostic Radiologyprimary
Other radiologists in East Meadow
Clinicians with the same Medicare primary specialty in East Meadow, NY — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | State University Of New York At Stony Brook, School Of Medicine |
| Graduation year | 1996 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1780661827 |
| 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