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ALEXANDER TAI NELSON LAC
NPI 1164108668
Counselor in Scottsdale, AZ

Active since June 27, 2023PECOS Enrolled
8585 E HARTFORD DR STE 103, SCOTTSDALE, AZ 85255(480) 562-6600(480) 562-6606 Get Directions Write a Review

NPPES record last updated: February 13, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Alexander Tai Nelson Lac NPPES

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

ALEXANDER TAI NELSON LAC (NPI 1164108668) is an individual counselor in Scottsdale, Arizona, licensed in Arizona (LAC-22267) and active in the NPI registry since June 2023. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2023).

NPPES Registry Identity

NPI1164108668
Entity TypeIndividualMale
Primary Taxonomy101Y00000X
Provider Legal NameALEXANDER TAI NELSONCredential: LAC
Location Address8585 E HARTFORD DR STE 103Scottsdale, AZ 85255-5472
Mailing Address2433 W Main StMesa, AZ 85201-7801 · (724) 944-8298
Phone(480) 562-6600
Fax(480) 562-6606
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateJune 27, 2023
Last NPPES UpdateFebruary 13, 2026
NPPES CertifiedFebruary 13, 2026
✔ NPI 1164108668 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselorBehavioral Health & Social Service Providers
Taxonomy Code101Y00000X
License✔ Licensed in AZ · LAC-22267
Definition
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.
8585 E HARTFORD DR STE 103, Scottsdale, AZ 85255
Open in Google Maps ↗

Secondary Practice Locations 2

Location 134975 N North Valley Pkwy Ste 152Phoenix, AZ 85086-4032 · Phone (724) 944-8298
Location 28985 E Bell RdScottsdale, AZ 85260-1573 · Phone (724) 944-8298

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, 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 (PECOS)

Alexander Tai Nelson Lac is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8921581521
PECOS Enrollment IDI20260311004290
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 Alexander Nelson reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Mindfully Integrated Health PLLC
Same address
Psychiatry
8585 E HARTFORD DR STE 103
Scottsdale, AZ 85255
  • Reassigned Medicare billing, Arizona enrollment
  • 4 clinicians in this Medicare group
NPI 1083102826 (480) 562-6600

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 6

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

MICHAEL D WRIGHT PA-C
Nurse Practitioner (Psychiatric/Mental Health)
8585 E HARTFORD DR STE 103
SCOTTSDALE, AZ 85255
Maricopa County (480) 562-6600
MINDFULLY INTEGRATED HEALTH PLLC
Psychiatry & Neurology (Psychiatry)
8585 E HARTFORD DR STE 103
SCOTTSDALE, AZ 85255
Maricopa County (480) 562-6600
MS. SARAH MARIA PAINTER LPC
Counselor (Mental Health)
8585 E HARTFORD DR STE 103
SCOTTSDALE, AZ 85255
Maricopa County (480) 562-6600
SARAH E WICKLUND M.D.
Psychiatry & Neurology (Psychiatry)
8585 E HARTFORD DR STE 103
SCOTTSDALE, AZ 85255
Maricopa County (480) 562-6600
DR. DAVID JOSEPH GILLIGAN D.C.
Chiropractor
8585 E HARTFORD DR STE 103
SCOTTSDALE, AZ 85255
Maricopa County (480) 248-7231
ADAM FARR PATTERSON PA-C
Physician Assistant
8585 E HARTFORD DR STE 103
SCOTTSDALE, AZ 85255
Maricopa County (480) 562-6600

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 Alexander Nelson's NPI number?

The NPI number for Alexander Nelson is 1164108668. It was assigned to this individual provider in the NPPES registry on June 27, 2023.

Where is Alexander Nelson located?

Alexander Nelson practices at 8585 E Hartford Dr Ste 103, Scottsdale, AZ 85255. The listed phone number is (480) 562-6600.

What is Alexander Nelson's specialty?

The primary specialty registered for this NPI is Counselor with taxonomy code 101Y00000X.

Is Alexander Nelson enrolled in Medicare?

Yes. Alexander Nelson is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Alexander Nelson's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Alexander Nelson reassigns Medicare benefits to Mindfully Integrated Health PLLC (Scottsdale, 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 Alexander Nelson's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Alexander Nelson accept?

Health plans from Blue Cross Blue Shield of Arizona, Cigna HealthCare of Arizona, Inc and UnitedHealthcare list Alexander Nelson 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 Alexander Nelson was last updated on February 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.