Tex. Codes » Occupations Code · TITLE 3. HEALTH PROFESSIONS · SUBTITLE B. PHYSICIANS · CHAPTER 155. LICENSE TO PRACTICE MEDICINE
Texas Codes

Tex. Occ. Code § 155.001 (2026)

License Required

✓ current as of May 2026
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Sec. 155.001. LICENSE REQUIRED. A person may not practice medicine in this state unless the person holds a license issued under this subtitle.

Acts 1999, 76th Leg., ch. 388, Sec. 1, eff. Sept. 1, 1999.

Notes of Decisions
Cited in 28 cases (7 in the last 5 years), 2001–2025 · leading case: Gregory v. State, 56 S.W.3d 164 (Tex. App. 2001).
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Gregory v. State, 56 S.W.3d 164 (Tex. App. 2001). · cites it 4× “Tex. Occ.Code Ann. § 155.001 (Vernon Pamph.”
Simonson v. Keppard, 225 S.W.3d 868 (Tex. App. 2007). · cites it 4× “" See TEX. OCC.CODE ANN. § 155.001 (Vernon 2004) ("A person may not practice medicine in this state unless the person holds a license issued under this subtitle [Medical Practice Act].”
Texas State Bd. of Examiners v. Texas Med. Ass'n, 511 S.W.3d 28 (Tex. 2017). “See Tex. Occ. Code §§ 155.001, 151.002(a)(13).”
Columbia Valley Healthcare Sys., L.P. D/B/A Valley Reg'l Med. Ctr. v. Maria Zamarripa, as Guardian of the Estates of R.F.R. & R.J.R., Minors, 526 S.W.3d 453 (Tex. 2017). “002(a)(13) (“ '[pjracticing medicine' means the diagnosis, treatment, or offer to treat a mental or physical disease or disorder ... or injury_”); id.”
Cnty. of El Paso v. Dorado, 180 S.W.3d 854 (Tex. App. 2006). “Tex. Occ.Code Ann. § 155.001 (Vernon 2004).”
Rea v. State, 297 S.W.3d 379 (Tex. App. 2009). “See Tex. Occ.Code Ann. § 155.001 (West 2004).”
Powell v. State, 88 S.W.3d 794 (Tex. App. 2002). “” Tex Occ.Code Ann. § 155.001 (Vernon Supp.”
Jones v. Found. Surgery Affiliates of Brazoria Cnty., 403 S.W.3d 306 (Tex. App. 2012). · cites it 2× “See Tex. Occ.Code Ann. §§ 155.001, 155.003 (Vernon 2012) (stating that only a “person” may be licensed to practice medicine in Texas and providing eligibility requirements for licen-sure).”
Texas State Bd. of Examiners of Marriage & Fam. Therapists v. Texas Med. Ass'n, 458 S.W.3d 552 (Tex. App. 2014). “See Tex. Occ. Code § 155.001. In addition, the eligibility requirements to obtain a license to practice marriage and family therapy in Texas are distinct from those necessary to obtain a license to practice medicine.”
Doctors Hosp. at Renaissance, Ltd. & RGV MED, LLC v. Jesus Jaime Andrade & Jessica Andrade, 512 S.W.3d 391 (Tex. App. 2015). · cites it 2× “See Tex. Occ. Code Ann. § 155.001 (West, Westlaw through ch.”
Diruzzo v. State, 549 S.W.3d 301 (Tex. App. 2018). “See TEX. OCC. CODE ANN. § 155.001 (West, Westlaw through 2017 1st C.”
Maria Margarita Rojas, Maternal Maternal & Child Healthcare & Rsch. Ctr. LLC D/B/A Clinica Latinoamericana; Clinicas Latinoamericans; Clinica-Waller Latinoamericana; Clinica-Telge Latinoamericana A/K/A Clinica De La Mujer A/K/A Houston BirthHouse v. State of Texas (Tex. App. 2025). · cites it 5× “Tex. Occ. Code §§ 155.001, 165.159. The Attorney General may also seek civil penalties for such violations.”
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