Quick answers
- Which hospitals does Kenneth Treadwell work at?
- Medicare's official clinician data lists Kenneth Treadwell at 1 hospital: Newark Beth Israel Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Kenneth Treadwell see patients?
- Medicare's clinician data lists 2 practice locations, including Belleville, NJ and Newark, NJ. Call before your visit to confirm the address.
- What is Kenneth Treadwell's specialty?
- Medicare lists Obstetrics/Gynecology as the primary specialty.
- Does Kenneth Treadwell accept Medicare assignment?
- Yes. Medicare's clinician data says Kenneth Treadwell 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 Kenneth Treadwell?
- (973) 429-8333, as listed in official Medicare / NPI Registry data.
- What is Kenneth Treadwell's NPI number?
- 1659347086. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Kenneth Treadwell works
Medicare's Facility Affiliation Data lists Kenneth Treadwell at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Newark Beth Israel Medical CenterNewark, NJ · Acute Care Hospital · CCN 310002
Practice locations
Addresses where Kenneth Treadwell is enrolled with Medicare (CMS data updated 2026-10-02).
- 5 Franklin Ave, Suite 502Belleville, NJ 07109 (973) 429‑8333
- 76 Prospect St, Suite 1Newark, NJ 07105 (973) 344‑1313
Group practices
Medicare enrollment lists Kenneth Treadwell as a member of this group (CMS data updated 2026-10-02).
- Barnabas Health Medical Group PC1,070 clinicians in the group
Specialties
- Obstetrics/Gynecologyprimary
Other OB-GYNs in Belleville
Clinicians with the same Medicare primary specialty in Belleville, NJ — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Rochester School Of Medicine And Dentistry |
| Graduation year | 1977 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1659347086 |
| 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