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ZACHARY D MILLS LPC/MHSP
NPI 1578410734
Counselor - Professional in Greeneville, TN

Active since March 16, 2026PECOS Enrolled
401 HOLSTON DR, GREENEVILLE, TN 37743(423) 639-1104(423) 636-8365 Get Directions Write a Review

NPPES record last updated: March 16, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Zachary D Mills Lpc/mhsp NPPES

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

ZACHARY D MILLS LPC/MHSP (NPI 1578410734) is an individual professional provider in Greeneville, Tennessee, licensed in Tennessee (8533) and active in the NPI registry since March 2026. He is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1578410734
Entity TypeIndividualMale
Primary Taxonomy101YP2500X
Provider Legal NameZACHARY D MILLSCredential: LPC/MHSP
Location Address401 HOLSTON DRGreeneville, TN 37743-3127
Mailing Address1167 Spratlin Park DrGray, TN 37615-6205 · (423) 467-3600 · Fax (423) 467-3644
Phone(423) 639-1104
Fax(423) 636-8365
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateMarch 16, 2026
NPPES CertifiedMarch 16, 2026
✔ NPI 1578410734 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · ProfessionalBehavioral Health & Social Service Providers
Taxonomy Code101YP2500X
License✔ Licensed in TN · 8533
401 HOLSTON DR, Greeneville, TN 37743
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BlueCross BlueShield of Tennessee, Oscar Insurance Company.Insurance ›

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Zachary D Mills Lpc/mhsp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID8022593722
PECOS Enrollment IDI20260331002357
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 Zachary Mills reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Frontier Health
0.1 mi
Mental Health (Including Community Mental Health Center)
401 HOLSTON DR
Greeneville, TN 37743
  • Reassigned Medicare billing, Tennessee enrollment
  • 126 clinicians in this Medicare group
NPI 1760547004 (423) 639-1104

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.

AMY TAIS CARRIER MA
Counselor
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104
MRS. KAREN MALINDA LANE APRN
Nurse Practitioner (Psychiatric/Mental Health)
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104
MISS REBECCA MILES MOORE BA
Case Manager/Care Coordinator
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104
AMY MARIA MULLINS MA
Counselor (Professional)
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104
JEFFEREY WOLIVER BS
Case Manager/Care Coordinator
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104
CECILIA S HAMILTON MSW
Social Worker (Clinical)
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 232-2600
SARAH E HAYES PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104
MS. CATHERINE ANNE HORTON LPN
Licensed Practical Nurse
401 HOLSTON DR
GREENEVILLE, TN 37743
Greene County (423) 639-1104

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 Zachary Mills's NPI number?

The NPI number for Zachary Mills is 1578410734. It was assigned to this individual provider in the NPPES registry on March 16, 2026.

Where is Zachary Mills located?

Zachary Mills practices at 401 Holston Dr, Greeneville, TN 37743. The listed phone number is (423) 639-1104.

What is Zachary Mills's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Professional, with taxonomy code 101YP2500X.

Is Zachary Mills enrolled in Medicare?

Yes. Zachary Mills is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Zachary Mills's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Mills reassigns Medicare benefits to Frontier Health (Greeneville, 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 Zachary Mills's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Zachary Mills accept?

Health plans from BlueCross BlueShield of Tennessee and Oscar Insurance Company list Zachary Mills 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 Zachary Mills was last updated on March 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.