DR. WILLIAM R. BOYD JR. PH.D.
NPI 1356431407
Psychologist - Health in Dayton, TN

Q: What is William Boyd's NPI number?

The NPI number for William Boyd is 1356431407. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Q: What is William Boyd's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Health, with taxonomy code 103TH0004X.

Q: When was this NPI record last updated?

The NPPES record for William Boyd was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.

Active since October 12, 2006PECOS Enrolled

781 SUNSET DR, DAYTON, TN 37321(423) 775-3618(423) 775-3618 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

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About Dr. William R. Boyd Jr. Ph.d. NPPES

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

DR. WILLIAM R. BOYD JR. PH.D. (NPI 1356431407) is an individual health provider in Dayton, Tennessee, licensed in Tennessee (P0001746) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS and is a graduate of Other (1989).

NPPES Registry Identity

NPI1356431407

Entity TypeIndividualMale

Primary Taxonomy103TH0004X

Provider Legal NameDR. WILLIAM R. BOYD JR.Credential: PH.D.

Location Address781 SUNSET DRDayton, TN 37321-5634

Mailing Address781 Sunset Dr, P.o. Box 733Dayton, TN 37321-5634 · (423) 775-3618 · Fax (423) 775-3618

Phone(423) 775-3618

Fax(423) 775-3618

Sole ProprietorYes

Medical School CMSOtherGraduated 1989

Enumeration DateOctober 12, 2006

Last NPPES UpdateSeptember 11, 2025

✔ NPI 1356431407 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 11

★ Primary SpecialtyPsychologist · HealthBehavioral Health & Social Service Providers

Taxonomy Code103TH0004X

License✔ Licensed in TN · P0001746

Definition

A psychologist who specializes in clinical health psychology that investigates and implements clinical services across diverse populations and settings to promote health and well-being and to prevent, treat, and manage illness and disability. Clinical health psychology sees health as the confluence of psychological, social, cultural, and biological factors and applies this understanding to professional activities including:

Also ListedCounselorTaxonomy 101Y00000X · License P0001746 (TN)

Also ListedCounselor · Mental HealthTaxonomy 101YM0800X · License P0001746 (TN)

Also ListedCounselor · ProfessionalTaxonomy 101YP2500X · License LPC000262 (TN)

Also ListedPsychologistTaxonomy 103T00000X · License P0001746 (TN)

Also ListedPsychologist · Adult Development & AgingTaxonomy 103TA0700X · License P0001746 (TN)

Also ListedPsychologist · Cognitive & BehavioralTaxonomy 103TB0200X · License P0001746 (TN)

Also ListedPsychologist · ClinicalTaxonomy 103TC0700X · License P0001746 (TN)

Also ListedPsychologist · CounselingTaxonomy 103TC1900X · License P0001746 (TN)

Also ListedPsychologist · FamilyTaxonomy 103TF0000X · License P0001746 (TN)

Also ListedMarriage & Family TherapistTaxonomy 106H00000X · License P0001746 (TN)

781 SUNSET DR, Dayton, TN 37321

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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Alliant Health Plans, Inc., Ambetter from Arkansas Health & Wellness, Ambetter Health 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)

Dr. William R. Boyd Jr. Ph.d. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID1254469000

PECOS Enrollment IDI20100514000557

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

Steppingstone Retreat For Enhanced Living LLC

0.2 mi

Mental Health (Including Community Mental Health Center)

781 SUNSET DR
Dayton, TN 37321

Reassigned Medicare billing, Tennessee enrollment

NPI 1780004432 (423) 775-3618

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

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Psychotherapy, 30 minutes 90832

Psychotherapy is a therapeutic interaction or treatment between a trained professional and a patient. In a 30-minute session, the therapist helps you explore feelings, thoughts, and behaviors to better understand yourself and manage life's challenges.

761 services29 patients

Other Providers at the Same Location NPPES

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

STEPPINGSTONE RETREAT FOR ENHANCED LIVING LLC

Clinic/Center (Mental Health (Including Community Mental Health Center))

781 SUNSET DR
DAYTON, TN 37321

Rhea County (423) 775-3618

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 William Boyd's NPI number?

The NPI number for William Boyd is 1356431407. It was assigned to this individual provider in the NPPES registry on October 12, 2006.

Where is William Boyd located?

William Boyd practices at 781 Sunset Dr, Dayton, TN 37321. The listed phone number is (423) 775-3618.

What is William Boyd's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Health, with taxonomy code 103TH0004X.

Is William Boyd enrolled in Medicare?

Yes. William Boyd is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for William Boyd's services?

According to the CMS Revalidation Reassignment List (October 2026 release), William Boyd reassigns Medicare benefits to Steppingstone Retreat For Enhanced Living LLC (Dayton, TN). 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 William Boyd's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does William Boyd accept?

Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 4 other insurers list William Boyd 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 William Boyd was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 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.