Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

MARISSA L MASCORRO PSYD
NPI 1063832343
Psychologist - Clinical in Phoenix, AZ

Q: What is Marissa Mascorro's NPI number?

The NPI number for Marissa Mascorro is 1063832343. It was assigned to this individual provider in the NPPES registry on April 24, 2014.

Q: What is Marissa Mascorro's specialty?

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

Q: When was this NPI record last updated?

The NPPES record for Marissa Mascorro was last updated on September 29, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.

Active since April 24, 2014PECOS EnrolledAccepts Medicare Assignment

2999 N 44TH ST STE 415, PHOENIX, AZ 85018(602) 675-0335(602) 865-8089 Get Directions Write a Review

NPPES record last updated: September 29, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Sep 29, 2026, May 13, 2025, Jan 9, 2018 and 2 more (5 updates tracked since 2017).

On this page

About Marissa L Mascorro Psyd NPPES

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

MARISSA L MASCORRO PSYD (NPI 1063832343) is an individual clinical provider in Phoenix, Arizona, licensed in Arizona (PSY-005980) and active in the NPI registry since April 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1063832343

Entity TypeIndividualFemale

Primary Taxonomy103TC0700X

Provider Legal NameMARISSA L MASCORROCredential: PSYD

Location Address2999 N 44TH ST STE 415Phoenix, AZ 85018-7251

Mailing Address2999 N 44th St Ste 415Phoenix, AZ 85018-7251 · (602) 675-0335 · Fax (602) 865-8089

Phone(602) 675-0335

Fax(602) 865-8089

Sole ProprietorNo

Medical School CMSOtherGraduated 2024

Enumeration DateApril 24, 2014

Last NPPES UpdateSeptember 29, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 29, 2026

✔ NPI 1063832343 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

License✔ Licensed in AZ · PSY-005980

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.

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License LAC-13710 (AZ)

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License LPC-17047 (AZ)

2999 N 44TH ST STE 415, Phoenix, AZ 85018

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Other Identifiers 1

Medicaid342848AZ

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Cigna HealthCare of Arizona, Inc, Imperial Insurance Companies, Inc., UnitedHealthcare.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Marissa L Mascorro Psyd is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375061971

PECOS Enrollment IDI20250516003238

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 Mascorro reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Knapp Neuropsychology

Same address

Clinical Neuropsychologist

2999 N 44TH ST STE 415
Phoenix, AZ 85018

Reassigned Medicare billing, Arizona enrollment
3 clinicians in this Medicare group

NPI 1922722917 (602) 675-0335

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

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 85018 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

$168.60 typical visit price

range $55.44 – $168.60

Typical copayment $42.15 (range $13.86 – $42.15)

Most-billed visit code 99205

Established Patient

$98.00 typical visit price

range $17.72 – $137.41

Typical copayment $24.50 (range $4.43 – $34.35)

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 5

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

PRIMA NEUROPSYCHOLOGY, PLLC

Clinical Neuropsychologist