MARK DANIEL LEJSEK APRN-PMHNP-BC
NPI 1891016010
Nurse Practitioner - Psychiatric/Mental Health in The Woodlands, TX
About Mark Daniel Lejsek Aprn-pmhnp-bc NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK DANIEL LEJSEK APRN-PMHNP-BC (NPI 1891016010) is an individual psychiatric/mental health provider in The Woodlands, Texas, licensed in Texas (AP114710) and active in the NPI registry since June 2010. He is enrolled in Medicare PECOS and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Daniel Lejsek Aprn-pmhnp-bc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Lejsek reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
The Woodlands, TX 77381
- Reassigned Medicare billing, Texas enrollment
- 5 clinicians in this Medicare group
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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77381 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
THE WOODLANDS, TX 77381
THE WOODLANDS, TX 77381
THE WOODLANDS, TX 77381
SPRING, TX 77381
THE WOODLANDS, TX 77381
THE WOODLANDS, TX 77381
THE WOODLANDS, TX 77381
THE WOODLANDS, TX 77381
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 Mark Lejsek's NPI number?
The NPI number for Mark Lejsek is 1891016010. It was assigned to this individual provider in the NPPES registry on June 22, 2010.
Where is Mark Lejsek located?
Mark Lejsek practices at 8701 New Trails Dr Ste 150, The Woodlands, TX 77381. The listed phone number is (281) 367-1015.
What is Mark Lejsek's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.
Is Mark Lejsek enrolled in Medicare?
Yes. Mark Lejsek is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Lejsek's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Lejsek reassigns Medicare benefits to Family Psychiatry Of The Woodlands PA (The Woodlands, 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 Mark Lejsek's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Lejsek accept?
Health plans from Blue Cross and Blue Shield of Texas, Cigna Healthcare, Oscar Insurance Company and UnitedHealthcare list Mark Lejsek 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 Mark Lejsek was last updated on March 22, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.