NPI Atlas

Mark Stelle, APRN

Family Nurse Practitioner in San Marcos, Texas. NPI 1699630996.

NPI1699630996

Registry record

NPI
1699630996
Profession
Nurse Practitioner (NP)
Specialty
Family Nurse Practitioner (363LF0000X)
Practice address
1301 Wonder World Dr
San Marcos, TX 78666
Phone
5123538979
In the registry since
December 18, 2025
Last NPPES update
January 23, 2026
Sole proprietor
Yes
License
1220613 (TX)

At this location

8 other providers in our data list 1301 Wonder World Dr, San Marcos as a practice address:

In context

The NPI number of Mark Stelle is 1699630996. They are a Family Nurse Practitioner in San Marcos, Texas.

Mark Stelle is one of 63 Family Nurse Practitioners in San Marcos and one of 22,499 across Texas in our data.

Frequently asked questions

What is NPI 1699630996?

NPI 1699630996 is the 10-digit National Provider Identifier assigned to Mark Stelle, a Family Nurse Practitioner practicing in San Marcos, Texas. The record has been in the NPPES registry since December 18, 2025.

How do I verify this provider?

Cross-check NPI 1699630996 in the official CMS registry at npiregistry.cms.hhs.gov, and confirm license 1220613 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 January 23, 2026. 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.