Quick answers
- Where does Diana John see patients?
- Medicare's clinician data lists 3 practice locations, including Parsippany, NJ, Ridgewood, NJ and Waldwick, NJ. Call before your visit to confirm the address.
- What is Diana John's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Diana John accept Medicare assignment?
- Yes. Medicare's clinician data says Diana 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.
- Does Diana John offer telehealth?
- Medicare's clinician data says Diana John offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Diana John?
- (973) 887-8080, as listed in official Medicare / NPI Registry data.
- What is Diana John's NPI number?
- 1316328008. 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 Diana John is enrolled with Medicare (CMS data updated 2026-10-02).
- 200 Reynolds AveParsippany, NJ 07054 (973) 887‑8080
- 330 Franklin TpkeRidgewood, NJ 07450 (201) 447‑1900
- 83 Franklin TpkeWaldwick, NJ 07463 (201) 445‑1079
Group practices
Medicare enrollment lists Diana John as a member of these groups (CMS data updated 2026-10-02).
- Physiatry Consultants of NJ LLC20 clinicians in the group
- The Back Pain Center LLC6 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Parsippany
Clinicians with the same Medicare primary specialty in Parsippany, NJ — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2012 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1316328008 |
| 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