Quick answers
- Where does Jonathan D. Sadler see patients?
- Medicare's clinician data lists 1 practice location in Morris Plains, NJ. Call before your visit to confirm the address.
- What is Jonathan D. Sadler's specialty?
- Medicare lists Psychiatry as the primary specialty.
- Does Jonathan D. Sadler accept Medicare assignment?
- Yes. Medicare's clinician data says Jonathan D. Sadler 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 Jonathan D. Sadler?
- (973) 538-1800, as listed in official Medicare / NPI Registry data.
- What is Jonathan D. Sadler's NPI number?
- 1932738119. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Jonathan D. Sadler is enrolled with Medicare (CMS data updated 2026-10-02).
- 59 Koch AveMorris Plains, NJ 07950 (973) 538‑1800
Group practices
Medicare enrollment lists Jonathan D. Sadler as a member of this group (CMS data updated 2026-10-02).
- State of New Jersey Omb Centralized Payroll131 clinicians in the group
Specialties
- Psychiatryprimary
Other psychiatrists in Morris Plains
Clinicians with the same Medicare primary specialty in Morris Plains, NJ — not a recommendation.
Clinician information
| Credential | DO |
|---|---|
| Medical school | William Carey University College Of Osteopathic Medicine |
| Graduation year | 2020 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1932738119 |
| 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
- 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