Quick answers
- Does Marissa M. Petralia accept Medicare assignment?
- Medicare's clinician data says Marissa M. Petralia may accept Medicare assignment (as of October 2, 2026). Ask the office whether they accept it for your visit.
- How many Medicare patients does Marissa M. Petralia see?
- In 2024, CMS data shows 27 Original Medicare patients and 810 services for Marissa M. Petralia. This counts Original Medicare only and measures volume, not quality.
- What is Marissa M. Petralia's NPI number?
- 1841504966. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Medicare activity in 2024
Official CMS public-use data for Marissa M. Petralia, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.
| Original Medicare patients | 27 |
|---|---|
| Services billed to Medicare | 810 |
| Different services or procedures | 4 |
| Participating Medicare provider | Yes |
| Average age of these patients | 75 |
Most frequent services
- Psychotherapy, 1 hour (90837)805 services
Chronic conditions among these patients
Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).
- High cholesterol75%
- Depression75%
- Anxiety75%
- Arthritis70%
- High blood pressure63%
- Ischemic heart disease44%
Practice locations
Addresses where Marissa M. Petralia is enrolled with Medicare (CMS data updated October 2, 2026).
- 830 Anchor Rode DrNaples, FL 34103 (239) 234‑6333
Group practices
Medicare enrollment lists Marissa M. Petralia as a member of this group (CMS data updated October 2, 2026).
- Premier Psychology, PLLC6 clinicians in the group
Specialties
- Clinical Psychologistprimary
Other clinical psychologists in Naples
Clinicians with the same Medicare primary specialty in Naples, FL — not a recommendation.
Other clinicians in Premier Psychology, PLLC
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Graduation year | 2009 |
|---|---|
| Gender (as listed) | Female |
| Medicare assignment | May accept for some services |
| Telehealth | Offers telehealth services |
| NPI (National Provider Identifier) | 1841504966 |
| 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 October 2, 2026, retrieved October 29, 2026
- Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
- 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