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MICHAEL HARRISON
NPI 1801353420
Counselor - Mental Health in Sherman, TX

Active since March 01, 2019PECOS EnrolledAccepts Medicare Assignment
121 W LAMBERTH RD STE A, SHERMAN, TX 75092(903) 892-6700(903) 892-6774 Get Directions Write a Review

NPPES record last updated: November 20, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 20, 2025, Mar 1, 2019 (2 updates tracked since 2019).

About Michael Harrison NPPES

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

MICHAEL HARRISON (NPI 1801353420) is an individual mental health provider in Sherman, Texas, licensed in Texas (12684) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Other (1999).

NPPES Registry Identity

NPI1801353420
Entity TypeIndividualMale
Primary Taxonomy101YM0800X
Provider Legal NameMICHAEL HARRISON
Location Address121 W LAMBERTH RD STE ASherman, TX 75092-2662
Mailing Address121 W Lamberth Rd Ste ASherman, TX 75092-2662 · (903) 892-6700 · Fax (903) 892-6774
Phone(903) 892-6700
Fax(903) 892-6774
Sole ProprietorNo
Medical School CMSOtherGraduated 1999
Enumeration DateMarch 1, 2019
Last NPPES UpdateNovember 20, 20252 updates tracked since enumeration
NPPES CertifiedNovember 20, 2025
✔ NPI 1801353420 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in TX · 12684
121 W LAMBERTH RD STE A, Sherman, TX 75092
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections 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 and accepts Medicare assignment

Michael Harrison 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 ID8123511524
PECOS Enrollment IDI20251203004554
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 Michael Harrison reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Premier Psychiatric & Sleep Medicine Associates, PLLC
38 mi
Psychiatry
935 W EXCHANGE PKWY STE 110
Allen, TX 75013
  • Reassigned Medicare billing, Texas enrollment
  • 8 clinicians in this Medicare group
NPI 1992110886 (972) 985-7499

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 2

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

MICAH SHULER PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
121 W LAMBERTH RD STE A
SHERMAN, TX 75092
Grayson County (903) 892-6700
LLOYD RAY HATTON APRN
Nurse Practitioner (Psychiatric/Mental Health)
121 W LAMBERTH RD STE A
SHERMAN, TX 75092
Grayson County (903) 892-6700

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 Michael Harrison's NPI number?

The NPI number for Michael Harrison is 1801353420. It was assigned to this individual provider in the NPPES registry on March 1, 2019.

Where is Michael Harrison located?

Michael Harrison practices at 121 W Lamberth Rd Ste A, Sherman, TX 75092. The listed phone number is (903) 892-6700.

What is Michael Harrison's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Michael Harrison enrolled in Medicare?

Yes. Michael Harrison 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 Michael Harrison's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Michael Harrison reassigns Medicare benefits to Premier Psychiatric & Sleep Medicine Associates, PLLC (Allen, TX). 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 Michael Harrison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Michael Harrison accept?

Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 6 other insurers list Michael Harrison 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 Michael Harrison was last updated on November 20, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.