NPPES file of Aug 9, 2026

Mark Stelle, APRN

Family Nurse Practitioner · San Marcos, TX

Mark Stelle, APRN is a family nurse practitioner with a practice address in San Marcos, Texas, and NPI 1699630996, issued on Dec 18, 2025. Check the license (Texas 1220613, as entered in NPPES) with the Texas board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1699630996
Name
Mark Stelle
Credential
APRN
Primary taxonomy
Family Nurse Practitioner 363LF0000X
License number
1220613 TX
Self-reported in NPPES; status is on the state search
Practice location
1301 Wonder World Dr, San Marcos, TX 78666
Phone
(512) 353-8979
Enumerated
Dec 18, 2025
Record last updated
Jan 23, 2026
Medicare enrollment
Enrolled (PECOS I20260203001607); accepts Medicare assignment
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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8 nearest family nurse practitioner records → All 21,242 in Texas → Look up another NPI →

Also registered at 1301 Wonder World Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Jaime Acosta, CSFASurgical Assistant1922972694
  2. Raka Amin, MDInternal Medicine Physician1437576493
  3. Jose Ayala, MDInternal Medicine Physician1114960663
  4. Chad Benninghoff, NPFamily Nurse Practitioner1912256256
  5. Shyra BerishSpeech-Language Pathologist1235656364
  6. Jessica Best, MDEmergency Medicine Physician1679833354

Verify Mark Stelle in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Texas board licenses this profession
    Search for license 1220613    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Find the Texas license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

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Bills Medicare through one group practice

  1. Physicians UnitySan Marcos, TX

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Mark Stelle among 21,242 family nurse practitioner records in Texas

Mark Stelle, APRN is one of 21,242 family nurse practitioner records with a practice address in Texas. 75% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2025, is newer than 92% of them.

  • NPI issued2025 · 92% of these records are older, 3% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 53% of these records are
  • Graduated2024 · median 2018 among the 11,286 with a school on file
  • Record last updated2026 · 38% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Texas practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

55 family nurse practitioner records list a practice address in San Marcos

They are 55 of the 1,003 NPPES records with a practice address in San Marcos, and 21,242 family nurse practitioner records in Texas.

All 21,242 in Texas → Every provider in San Marcos → Family Nurse Practitioner nationwide →

The 8 family nurse practitioner records with the nearest ZIP codes

  1. Mary Andres, FNPSan Marcos, TX 786661902106966
  2. Patricia Ballentine, R.N., MSN, FNP-CSan Marcos, TX 786661770688210
  3. Dana Bourke, NPSan Marcos, TX 786661356591432
  4. Ashley Ferguson, RN, FNP-CSan Marcos, TX 786661093045692
  5. Carol Garner, MSN,CS,FNPSan Marcos, TX 786661295734036
  6. Lydia Glisan, FNPSan Marcos, TX 786661750533543
  7. Laura Greek, FNPSan Marcos, TX 786661871754804
  8. Janan Hall, FNPSan Marcos, TX 786661992903777

Common questions

What is Mark Stelle, APRN's NPI number?

Mark Stelle, APRN's National Provider Identifier (NPI) is 1699630996, issued on Dec 18, 2025. An NPI identifies a provider in billing; it is not a license.

Where is Mark Stelle, APRN located?

The NPPES record lists a practice address at 1301 Wonder World Dr, San Marcos, TX, 78666. Phone: (512) 353-8979. Providers update this record themselves, so call before visiting.

How can I verify Mark Stelle, APRN's license?

NPPES lists Texas license number 1220613, as entered by the provider. Search the Texas board that licenses this profession; the NPPES record confirms identity only.

Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.

Written with AI tools from the named public files; every figure is computed from those files (how it is made).

Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.