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

DR. DENNIS NEAL DAY DC
NPI 1083759054
Chiropractor in Scottsdale, AZ

Active since February 20, 2007
2629 N SCOTTSDALE RD STE 200, SCOTTSDALE, AZ 85257(623) 334-4000(623) 334-4400 Get Directions Write a Review

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

Record update history: Sep 13, 2024, Oct 9, 2023, Jul 21, 2022 and 1 more (4 updates tracked since 2018).

About Dr. Dennis Neal Day Dc NPPES

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

DR. DENNIS NEAL DAY DC (NPI 1083759054) is an individual chiropractor in Scottsdale, Arizona, licensed in Arizona (4625) and active in the NPI registry since February 2007. He maintains a secondary practice location in Gilbert and is a graduate of Cleveland Chiropractic College - Kansas City (1989).

NPPES Registry Identity

NPI1083759054
Entity TypeIndividualMale
Primary Taxonomy111N00000X
Provider Legal NameDR. DENNIS NEAL DAYCredential: DC
Location Address2629 N SCOTTSDALE RD STE 200Scottsdale, AZ 85257-1370
Mailing Address16390 N 59th Ave Ste 200Glendale, AZ 85306-1711 · (623) 334-4000 · Fax (623) 334-4400
Fax(623) 334-4400
Sole ProprietorNo
Medical School CMSCleveland Chiropractic College - Kansas CityGraduated 1989
Enumeration DateFebruary 20, 2007
Last NPPES UpdateOctober 23, 20264 updates tracked since enumeration
NPPES CertifiedOctober 23, 2026
✔ NPI 1083759054 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyChiropractorChiropractic Providers
Taxonomy Code111N00000X
License✔ Licensed in AZ · 4625
Definition
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.
2629 N SCOTTSDALE RD STE 200, Scottsdale, AZ 85257

Secondary Practice Location 1

Location 11760 E Pecos Rd Ste 215Gilbert, AZ 85295-3202 · Phone (623) 334-4000 · Fax (623) 334-4400

Other Identifiers 1

OtherZ204802AZ · Medicare Ptan

Accepted 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

Dr. Dennis Neal Day Dc 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 ID5092730317
PECOS Enrollment IDI20051005001285

Medicare Billing Reassignment

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

Family Medicine
16390 N 59TH AVE STE 200
Glendale, AZ 85306
  • Reassigned Medicare billing, Arizona enrollment
  • 9 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

Reported Quality Measures

Preventive Care and Screening: Body Mass Index (BMI) Screening and Follow-Up Plan
Percentage of patients aged 18 years and older with a BMI documented during the current encounter or during the previous twelve months AND with a BMI outside of normal parameters, a follow-up plan is documented during the encounter or during the previous…
9%128 patients1/55-star benchmark: 97%
Providers report different measures because they deliver different services; reporting more or less information is not a reflection of quality. Star ratings appear only where CMS assigned them.

Other Providers at the Same Location NPPES

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

Clinic/Center (Multi-Specialty)
2629 N SCOTTSDALE RD STE 200
SCOTTSDALE, AZ 85257

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 Dennis Day's NPI number?

The NPI number for Dennis Day is 1083759054. It was assigned to this individual provider in the NPPES registry on February 20, 2007.

Where is Dennis Day located?

Dennis Day practices at 2629 N Scottsdale Rd Ste 200, Scottsdale, AZ 85257. The listed phone number is (623) 334-4000.

What is Dennis Day's specialty?

The primary specialty registered for this NPI is Chiropractor with taxonomy code 111N00000X.

Is Dennis Day enrolled in Medicare?

Yes. Dennis Day 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 Dennis Day's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Dennis Day reassigns Medicare benefits to Arrowhead Family Health Center PC (Glendale, 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 Dennis Day's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Dennis Day accept?

Health plans from Antidote Health Plan of Arizona, Inc., Blue Cross Blue Shield of Arizona and UnitedHealthcare list Dennis Day 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 Dennis Day was last updated on October 23, 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.