Quick answers
- Which hospitals does Thomas K. John work at?
- Medicare's official clinician data lists Thomas K. John at 5 hospitals: Hackensack Meridian Health Pascack Valley Medical, Hackensack Meridian Mountainside Medical, Hackensack University Medical Center, St Joseph's University Medical Center Inc and Valley Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Thomas K. John see patients?
- Medicare's clinician data lists 1 practice location in Berkeley Heights, NJ. Call before your visit to confirm the address.
- What is Thomas K. John's specialty?
- Medicare lists Orthopedic Surgery as the primary specialty.
- Does Thomas K. John accept Medicare assignment?
- Yes. Medicare's clinician data says Thomas K. John 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 Thomas K. John?
- (908) 273-4300, as listed in official Medicare / NPI Registry data.
- What is Thomas K. John's NPI number?
- 1104021427. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Thomas K. John works
Medicare's Facility Affiliation Data lists Thomas K. John at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Hackensack Meridian Health Pascack Valley MedicalWestwood, NJ · Acute Care Hospital · CCN 310130
- Hackensack Meridian Mountainside MedicalMontclair, NJ · Acute Care Hospital · CCN 310054
- Hackensack University Medical CenterHackensack, NJ · Acute Care Hospital · CCN 310001
- St Joseph's University Medical Center IncPaterson, NJ · Acute Care Hospital · CCN 310019
- Valley HospitalParamus, NJ · Acute Care Hospital · CCN 310012
Practice locations
Addresses where Thomas K. John is enrolled with Medicare (CMS data updated 2026-10-02).
- 1 Diamond Hill RdBerkeley Heights, NJ 07922 (908) 273‑4300
Group practices
Medicare enrollment lists Thomas K. John as a member of this group (CMS data updated 2026-10-02).
- Summit Medical Group PA1,212 clinicians in the group
Specialties
- Orthopedic Surgeryprimary
Other orthopedic surgeons in Berkeley Heights
Clinicians with the same Medicare primary specialty in Berkeley Heights, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Graduation year | 2007 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1104021427 |
| 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