1. Home
  2. Directory
  3. Arizona
  4. Tucson
  5. Dietitian Registered
  6. NPI Profile

MARISSA ABEYTA MS, RD, CLC
NPI 1710866967
Dietitian, Registered in Tucson, AZ

Active since September 01, 2025
3655 E GRANT RD, TUCSON, AZ 85716(520) 670-3909(520) 309-2560 Get Directions Write a Review

NPPES record last updated: October 23, 2025. Verified against the NPPES registry weekly; last sync: November 01, 2026.

About Marissa Abeyta Ms, Rd, Clc NPPES

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

MARISSA ABEYTA MS, RD, CLC (NPI 1710866967) is an individual dietitian, registered in Tucson, Arizona and active in the NPI registry since September 2025. She is a graduate of Oregon Health Sciences University School Of Medicine (2023).

NPPES Registry Identity

NPI1710866967
Entity TypeIndividualFemale
Primary Taxonomy133V00000X
Provider Legal NameMARISSA ABEYTACredential: MS, RD, CLC
Location Address3655 E GRANT RDTucson, AZ 85716-2933
Mailing Address839 W Congress StTucson, AZ 85745-2819 · (520) 670-3909 · Fax (520) 309-2560
Phone(520) 670-3909
Fax(520) 309-2560
Sole ProprietorNo
Medical School CMSOregon Health Sciences University School Of MedicineGraduated 2023
Enumeration DateSeptember 1, 2025
Last NPPES UpdateOctober 23, 2025
NPPES CertifiedOctober 23, 2025
✔ NPI 1710866967 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers
Taxonomy Code133V00000X
Definition
A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.
3655 E GRANT RD, Tucson, AZ 85716
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter Health, Blue Cross Blue Shield of Arizona and more.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Marissa Abeyta Ms, Rd, Clc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID648746867
PECOS Enrollment IDI20260415002835

Medicare Billing Reassignment

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

El Rio Santa Cruz Neighborhood Health Center, Inc
Same address
Federally Qualified Health Center (FQHC)
3655 E GRANT RD
Tucson, AZ 85716
  • Reassigned Medicare billing, Arizona enrollment
  • 464 clinicians in this Medicare group
NPI 1477204485 (520) 670-3090

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

Other Providers at the Same Location NPPES 20

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

REBECCA SANORA-PAREDES NP
Nurse Practitioner (Family)
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909
RACHEL PHAM
Internal Medicine
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909
JOSEPH CHAPPELL DNP, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909
APRIL HERIDISE SAALI LMSW
Social Worker
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909
DR. DANIEL JAMES KLEMMEDSON D.D.S., M.D.
Dentist (Oral and Maxillofacial Surgery)
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 767-0390
SYLVIA CARBAJAL LEON RDH
Dental Hygienist
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909
DR. RACHEL CAITLIN MORENZ MD
Psychiatry & Neurology (Psychiatry)
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909
DR. ERICA CASTILLO DNP, MSN, BSN, RN
Nurse Practitioner (Psychiatric/Mental Health)
3655 E GRANT RD
TUCSON, AZ 85716
Pima County (520) 670-3909

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 Abeyta's NPI number?

The NPI number for Marissa Abeyta is 1710866967. It was assigned to this individual provider in the NPPES registry on September 1, 2025.

Where is Marissa Abeyta located?

Marissa Abeyta practices at 3655 E Grant Rd, Tucson, AZ 85716. The listed phone number is (520) 670-3909.

What is Marissa Abeyta's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Marissa Abeyta enrolled in Medicare?

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

Which organization bills Medicare for Marissa Abeyta's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Marissa Abeyta reassigns Medicare benefits to El Rio Santa Cruz Neighborhood Health Center, Inc (Tucson, AZ). 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 Abeyta's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Marissa Abeyta accept?

Health plans from Ambetter Health, Ambetter from Arizona Complete Health, Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and Oscar Health Plan, Inc. list Marissa Abeyta as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Marissa Abeyta was last updated on October 23, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.