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

MARIAH ANN SHATTUCK FNP-C
NPI 1780481010
Registered Nurse in Chandler, AZ

Active since February 25, 2025PECOS Enrolled
2815 E OCOTILLO RD, CHANDLER, AZ 85249(480) 562-3998 Get Directions Write a Review

NPPES record last updated: October 26, 2026. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 26, 2026, Dec 31, 2025, Feb 25, 2025 (3 updates tracked since 2025).

About Mariah Ann Shattuck Fnp-c NPPES

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

MARIAH ANN SHATTUCK FNP-C (NPI 1780481010) is an individual registered nurse in Chandler, Arizona, licensed in Arizona (RN205183) and active in the NPI registry since February 2025. She is enrolled in Medicare PECOS and is a graduate of Other (2024).

NPPES Registry Identity

NPI1780481010
Entity TypeIndividualFemale
Primary Taxonomy163W00000X
Provider Legal NameMARIAH ANN SHATTUCKCredential: FNP-C
Location Address2815 E OCOTILLO RDChandler, AZ 85249-2805
Mailing AddressPo Box 932958Cleveland, OH 44193-0028
Phone(480) 562-3998
Sole ProprietorNo
Medical School CMSOtherGraduated 2024
Enumeration DateFebruary 25, 2025
Last NPPES UpdateOctober 26, 20263 updates tracked since enumeration
NPPES CertifiedOctober 26, 2026
✔ NPI 1780481010 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyRegistered NurseNursing Service Providers
Taxonomy Code163W00000X
License✔ Licensed in AZ · RN205183
Definition
(1) A registered nurse is a person qualified by graduation from an accredited nursing school (depending upon schooling, a registered nurse may receive either a diploma from a hospital program, an associate degree in nursing (A.D.N.) or a Bachelor of Science degree in nursing (B.S.N.), who is licensed or certified by the state, and is practicing within the scope of that license or certification. R.N.'s assist patient in recovering and maintaining their physical or mental health. They assist physicians during treatments and examinations and administer medications. (2) A provider who is trained and educated in a formal nursing education program at an accredited school of nursing, passes a national certification examination, and is licensed by the state to practice nursing. The individual provides nursing services to patients or clients in areas such as health promotion, disease prevention, acute and chronic care and restoration and maintenance of health across the life span.
Also ListedNurse Practitioner · FamilyTaxonomy 363LF0000X · License 318824 (AZ)
2815 E OCOTILLO RD, Chandler, AZ 85249
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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

Mariah Ann Shattuck Fnp-c 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 ID4385165497
PECOS Enrollment IDI20250305002750
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 Mariah Shattuck reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

The Little Clinic Of Arizona LLC
46 mi
Family
1300 S WATSON RD
Buckeye, AZ 85326
  • Reassigned Medicare billing, Arizona enrollment
  • 107 clinicians in this Medicare group
NPI 1023216249 (623) 241-5322

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

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 Mariah Shattuck's NPI number?

The NPI number for Mariah Shattuck is 1780481010. It was assigned to this individual provider in the NPPES registry on February 25, 2025.

Where is Mariah Shattuck located?

Mariah Shattuck practices at 2815 E Ocotillo Rd, Chandler, AZ 85249. The listed phone number is (480) 562-3998.

What is Mariah Shattuck's specialty?

The primary specialty registered for this NPI is Registered Nurse with taxonomy code 163W00000X.

Is Mariah Shattuck enrolled in Medicare?

Yes. Mariah Shattuck is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Mariah Shattuck's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Shattuck reassigns Medicare benefits to The Little Clinic Of Arizona LLC (Buckeye, 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 Mariah Shattuck'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 Mariah Shattuck was last updated on October 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.