P Praxis·MD
● Active Type 1 · Individual

Jerry F Castilleja, M.D.

Family Medicine·Seguin, TX· NPI 1720126659 · Enumerated 2007 · 19 years on NPI
Castilleja is 1 of 42 family medicine providers in Seguin and 1 of 15966 in Texas.
NPI age
19 years
Enumerated 2007-02-02
Primary specialty
Family Medicine
Licensed in
TX
1 state
Status
Active
No deactivations on record
Last NPPES update
2021-06-04
Source: monthly bulk 2026-05
Sole proprietor
No
May be part of a larger org

How this provider compares

Across 15966 active family medicine providers in Texas.

NPI age
19 years
↑ 2 yr above median (17 yr)
State licenses
1 state
8% of peers hold multiple states
Subspecialties
0
26% of peers hold subspecialties

NPI lifetime · 2007 → 2026

2007-02Enumerated in NPPES
2007 2026

Where they practice

Practice location
1104 Jefferson Ave
Seguin, TX 781555910
📞 8303799797fax 8555043083
Mailing address
Po Box 1890
Gonzales, TX 786291390
📞 8306726511fax 8306726430

Additional practice locations

3 secondary locations on file with NPPES.

Location 2
2060 S Colorado St
Lockhart, TX 786443951
📞 8304944001fax 8775995676
Location 3
228 Saint George St
Gonzales, TX 786293910
📞 8306726511fax 8305003623
Location 4
111 S Laurel Ave
Luling, TX 786482624
📞 8308756399fax 8558252552

Specialties

  • Family Medicine Primary
    Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of...
    TX license #H9456 taxonomy 207Q00000X

Identifiers

TypeValueNotes
01 (TX) 10575839 CAQH

Practice context

Part of a multi-provider practice. 7 other active providers share this practice address in NPPES.

Provyx · Custom healthcare lists

Need all 15966 Family Medicine providers in Texas?

Get the full list as a CSV with verified work emails, direct phones, and LinkedIn URLs.

Request a quote →

How to verify this provider

  1. Confirm the NPI on NPPES.The CMS registry is the system of record. Open NPPES →
  2. Check the state license is currently active.State licensing boards publish current status; NPPES does not.
  3. Confirm payer enrollment if billing.NPI presence does not guarantee active enrollment with Medicare, Medicaid, or commercial payers.

Related