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HORIZON MENTAL HEALTH MANAGEMENT LLC
NPI 1255380176
Psychiatry & Neurology - Psychiatry in Lewisville, TX

Active since May 08, 2006
401 E CORPORATE DR STE 100, LEWISVILLE, TX 75057(972) 420-8200(972) 420-7770 Get Directions Write a Review

NPPES record last updated: August 15, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 15, 2024, Jun 24, 2016 (2 updates tracked since 2016).

About Horizon Mental Health Management Llc NPPES

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

HORIZON MENTAL HEALTH MANAGEMENT LLC (NPI 1255380176) is a healthcare organization registered as a psychiatry in Lewisville, Texas and active in the NPI registry since May 2006. The organization lists Steve Filton, Svp/cfo, as its authorized official.

NPPES Registry Identity

NPI1255380176
Entity TypeOrganization
Primary Taxonomy2084P0800X
Legal Business NameHORIZON MENTAL HEALTH MANAGEMENT LLC
Location Address401 E CORPORATE DR STE 100Lewisville, TX 75057-6426
Mailing AddressPo Box 840839Dallas, TX 75284-0839 · (972) 420-8200 · Fax (972) 420-7770
Phone(972) 420-8200
Fax(972) 420-7770
Organization SubpartNo
Authorized OfficialSteve FiltonSvp/cfo · (610) 768-3300
Enumeration DateMay 8, 2006
Last NPPES UpdateAugust 15, 20242 updates tracked since enumeration
NPPES CertifiedAugust 15, 2024
✔ NPI 1255380176 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychiatry & Neurology · PsychiatryAllopathic & Osteopathic Physicians
Taxonomy Code2084P0800X
Definition
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.
401 E CORPORATE DR STE 100, Lewisville, TX 75057
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Other Identifiers 15

Other000013192MO · Medicare - Wisconsin Physicians Service Insurance Corp
Medicaid168242 MOBILE IMCAL
Other102G709179AL · Medicare, Group - Cahaba Gba
Other103G702344TN · Medicare, Group - Cahaba Gba
OtherDU3470AL · Rr Medicare
OtherDO1307MS · Rr Medicare
Medicaid150232 NORTH BALDWINAL
Medicaid1527956TN
Medicaid167651 OAKWOODAL
Other369667AR · Medicare, Novitas
OtherC02158MS · Medicare, Novitas
OtherDN8357MO · Rr Medicare
Medicaid207379002AR
Other70064IA · Medicare, Wps
Medicaid9014277MS

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Horizon Mental Health Management Llc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

9

Medicare enrollment records show 9 clinicians reassign Medicare billing to Horizon Mental Health Management LLC, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians, nearest first (9)

Shannon Lewis, DNP
Nurse Practitioner
NPI 1942830781
5 MOBILE INFIRMARY CIR
Mobile, AL 36607
(251) 435-2099
✔ PECOS✔ Accepts Medicare547 mi
Paul Murden, CRNP
Nurse Practitioner
NPI 1356872212
5 MOBILE INFIRMARY CIR PSYCH SERVICES
Mobile, AL 36607
(251) 435-2099
✔ PECOS✔ Accepts Medicare547 mi
Logan Rogers, DO
Psychiatry
NPI 1710448972
5 MOBILE INFIRMARY CIR
Mobile, AL 36607
(251) 435-2400
✔ PECOS✔ Accepts Medicare547 mi
Samuel Skidmore, CRNP
Nurse Practitioner
NPI 1710436811
5 MOBILE INFIRMARY CIR
Mobile, AL 36607
(251) 435-5153
✔ PECOS✔ Accepts Medicare547 mi
Keri Barr, PMHNP
Nurse Practitioner
NPI 1215300736
1815 HAND AVE
Bay Minette, AL 36507
(251) 580-1770
✔ PECOS✔ Accepts Medicare559 mi
Shankar Yalamanchili, M.D.
Psychiatry
NPI 1558332569
1509 6TH AVE S
Birmingham, AL 35233
(205) 930-3200
✔ PECOS✔ Accepts Medicare590 mi
Katherine Gansen, ARNP, FNP-BC
Nurse Practitioner
NPI 1609024652
709 W MAIN ST
Manchester, IA 52057
(563) 927-7777
✔ PECOS✔ Accepts Medicare719 mi
Elizabeth Brimeyer, MSN PMHNP-BC FNP-BC
Nurse Practitioner
NPI 1386959732
200 MAIN ST
Guttenberg, IA 52052
(563) 252-2141
✔ PECOS✔ Accepts Medicare746 mi
Terrence Norton, M.D.
Psychiatry
NPI 1336207588
1450 EASTSIDE RD
Platteville, WI 53818
(608) 342-3019
✔ PECOS✔ Accepts Medicare758 mi

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 Horizon Mental Health Management LLC's NPI number?

The NPI number for Horizon Mental Health Management LLC is 1255380176. It was assigned to this organization in the NPPES registry on May 8, 2006.

Where is Horizon Mental Health Management LLC located?

Horizon Mental Health Management LLC is located at 401 E Corporate Dr Ste 100, Lewisville, TX 75057. The listed phone number is (972) 420-8200.

What is Horizon Mental Health Management LLC's specialty?

The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.

Is Horizon Mental Health Management LLC enrolled in Medicare?

Yes. Horizon Mental Health Management LLC is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Horizon Mental Health Management LLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 9 clinicians in 2 Medicare specialties reassign their Medicare billing to Horizon Mental Health Management LLC. A 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 the clinician's services. The largest specialties are Nurse Practitioner (6) and Psychiatry (3). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

What insurance does Horizon Mental Health Management LLC accept?

Health plans from Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 2 other insurers list Horizon Mental Health Management LLC 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 Horizon Mental Health Management LLC was last updated on August 15, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years 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.