DR. MARISSA M PETRALIA PH.D.
NPI 1841504966
Psychologist - Clinical in Naples, FL

Active since July 30, 2010PECOS Enrolled
830 ANCHOR RODE DR, NAPLES, FL 34103(239) 234-6333(239) 234-6413 Get Directions Write a Review

NPPES record last updated: September 10, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Dr. Marissa M Petralia Ph.d. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. MARISSA M PETRALIA PH.D. (NPI 1841504966) is an individual clinical provider in Naples, Florida, licensed in Florida (PY 8173) and active in the NPI registry since July 2010. She is enrolled in Medicare PECOS and is a graduate of Other (2009).

NPPES Registry Identity

NPI1841504966
Entity TypeIndividualFemale
Primary Taxonomy103TC0700X
Provider Legal NameDR. MARISSA M PETRALIACredential: PH.D.
Location Address830 ANCHOR RODE DRNaples, FL 34103-2739
Mailing Address830 Anchor Rode DrNaples, FL 34103-2739 · (239) 234-6333 · Fax (239) 234-6413
Fax(239) 234-6413
Sole ProprietorNo
Medical School CMSOtherGraduated 2009
Enumeration DateJuly 30, 2010
Last NPPES UpdateSeptember 10, 2021
NPPES CertifiedSeptember 10, 2021
✔ NPI 1841504966 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code103TC0700X
License✔ Licensed in FL · PY 8173
Definition
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.
830 ANCHOR RODE DR, Naples, FL 34103

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. Marissa M Petralia Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID9931398138
PECOS Enrollment IDI20150107002310
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Marissa Petralia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Psychologist
830 ANCHOR RODE DR
Naples, FL 34103
  • Reassigned Medicare billing, Florida enrollment
  • 6 clinicians in this Medicare group

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 1 hour 90837
Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 1-hour session, you'll talk about your feelings, thoughts, and behaviors to help identify and manage mental health issues. This process aids in personal growth, healing, and improved well-being.
805 services26 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 34103 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$179.05 typical visit price
range $58.56 – $179.05
Typical copayment $44.76 (range $14.64 – $44.76)
Most-billed visit code 99205
Established Patient
$103.21 typical visit price
range $18.44 – $144.68
Typical copayment $25.80 (range $4.61 – $36.17)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 3

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Psychologist
830 ANCHOR RODE DR
NAPLES, FL 34103
Counselor (Mental Health)
830 ANCHOR RODE DR
NAPLES, FL 34103
Counselor (Mental Health)
830 ANCHOR RODE DR
NAPLES, FL 34103

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Marissa Petralia's NPI number?

The NPI number for Marissa Petralia is 1841504966. It was assigned to this individual provider in the NPPES registry on July 30, 2010.

Where is Marissa Petralia located?

Marissa Petralia practices at 830 Anchor Rode Dr, Naples, FL 34103. The listed phone number is (239) 234-6333.

What is Marissa Petralia's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Is Marissa Petralia enrolled in Medicare?

Yes. Marissa Petralia is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Marissa Petralia's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Petralia reassigns Medicare benefits to Premier Psychology, PLLC (Naples, FL). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Marissa Petralia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Marissa Petralia was last updated on September 10, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.