NPI Atlas

Mark Daniel Lejsek, APRN-PMHNP-BC

Psychiatric/Mental Health Nurse Practitioner in The Woodlands, Texas. NPI 1891016010.

NPI1891016010

Registry record

NPI
1891016010
Profession
Nurse Practitioner (NP)
Specialty
Psychiatric/Mental Health Nurse Practitioner (363LP0808X)
Practice address
8701 New Trails Dr Ste 150
The Woodlands, TX 77381
Phone
2813671015
In the registry since
June 22, 2010
Last NPPES update
March 22, 2021
Sole proprietor
No
License
AP114710 (TX)

At this location

6 other providers in our data list 8701 New Trails Dr Ste 150, The Woodlands as a practice address:

In context

The NPI number of Mark Lejsek is 1891016010. They are a Psychiatric/Mental Health Nurse Practitioner in The Woodlands, Texas.

Mark Lejsek is one of 26 Psychiatric/Mental Health Nurse Practitioners in The Woodlands and one of 4,351 across Texas in our data.

The NPI has been in the federal registry for 16 years, since June 22, 2010.

Frequently asked questions

What is NPI 1891016010?

NPI 1891016010 is the 10-digit National Provider Identifier assigned to Mark Lejsek, a Psychiatric/Mental Health Nurse Practitioner practicing in The Woodlands, Texas. The record has been in the NPPES registry since June 22, 2010.

How do I verify this provider?

Cross-check NPI 1891016010 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license AP114710 with the TX licensing board. You can also run the number through our free NPI validator to confirm its checksum.

Is this information current?

This profile reflects the June 2026 NPPES data file. NPPES lists the record's last update as March 22, 2021. We refresh our data each month when CMS publishes a new file.

Data: NPPES public registry, June 2026 file. Not medical advice. Verify independently before care or credentialing decisions. Errors in the source record can be corrected at nppes.cms.hhs.gov; see our corrections page.