Quick answers
- Where does Marissa J. Tadi see patients?
- Medicare's clinician data lists 2 practice locations, including Newport Beach, CA and Fresno, CA. Call before your visit to confirm the address.
- What is Marissa J. Tadi's specialty?
- Medicare lists Nurse Practitioner as the primary specialty.
- Does Marissa J. Tadi accept Medicare assignment?
- Yes. Medicare's clinician data says Marissa J. Tadi 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 Marissa J. Tadi offer telehealth?
- Medicare's clinician data says Marissa J. Tadi offers telehealth services. Ask the office which visits can be done by video or phone.
- What is the phone number for Marissa J. Tadi?
- (949) 763-2204, as listed in official Medicare / NPI Registry data.
- What is Marissa J. Tadi's NPI number?
- 1245754258. 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 Marissa J. Tadi is enrolled with Medicare (CMS data updated 2026-10-02).
- 1601 Avocado AveNewport Beach, CA 92660 (949) 763‑2204
- 7130 N Millbrook AveFresno, CA 93720 (559) 326‑1222
Group practices
Medicare enrollment lists Marissa J. Tadi as a member of these groups (CMS data updated 2026-10-02).
- City of Hope Medical Foundation982 clinicians in the group
- California Cancer Associates for Research and Excellence Inc65 clinicians in the group
Specialties
- Nurse Practitionerprimary
Other nurse practitioners in Newport Beach
Clinicians with the same Medicare primary specialty in Newport Beach, CA — not a recommendation.
Clinician information
| Credential | NP |
|---|---|
| Graduation year | 2011 |
| Gender (as listed) | Female |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1245754258 |
| 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