Connecticut Statutes
§ 20-9 — Who may practice medicine or surgery.
Connecticut § 20-9
JurisdictionConnecticut
Title 20Professional and Occupational Licensing, Certification, Title Protection and Registration. Examining Boards
Ch. 370Medicine and Surgery
This text of Connecticut § 20-9 (Who may practice medicine or surgery.) is published on Counsel Stack Legal Research, covering Connecticut primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.
Bluebook
Conn. Gen. Stat. § 20-9 (2026).
Text
(a)No person shall, for compensation, gain or reward, received or expected, diagnose, treat, operate for or prescribe for any injury, deformity, ailment or disease, actual or imaginary, of another person, nor practice surgery, until he has obtained such a license as provided in section 20-10, and then only in the kind or branch of practice stated in such license.
(b)The provisions of this chapter shall not apply to:
(1)Dentists while practicing dentistry only;
(2)Any person in the employ of the United States government while acting in the scope of his employment;
(3)Any person who furnishes medical or surgical assistance in cases of sudden emergency;
(4)Any person residing out of this state who is employed to come into this state to render temporary assistance to or consult with any
Free access — add to your briefcase to read the full text and ask questions with AI
Legislative History
(1949 Rev., S. 4363; 1949, 1951, S. 2191d; 1959, P.A. 393, S. 1; 1971, P.A. 717; 1972, P.A. 80, S. 1; P.A. 75-39, S. 1; P.A. 77-519, S. 4, 6; 77-614, S. 349, 610; P.A. 84-546, S. 157, 173; P.A. 86-20; 86-403, S. 130, 132; P.A. 88-362, S. 1; P.A. 89-389, S. 4, 22; P.A. 90-211, S. 2, 23; P.A. 93-296, S. 7, 10; 93-381, S. 9, 39; P.A. 94-105, S. 2, 4; P.A. 95-98; 95-257, S. 12, 21, 58; P.A. 96-148; P.A. 97-311, S. 17; P.A. 98-43, S. 3; P.A. 98-166, S. 5, 9; June Sp. Sess. P.A. 98-1, S. 18, 121; P.A. 99-102, S. 2; 99-168, S. 5; P.A. 00-47, S. 2; 00-226, S. 11, 20; P.A. 03-252, S. 8; P.A. 05-280, S. 76, 77; P.A. 10-117, S. 61; P.A. 13-208, S. 67; 13-234, S. 138; P.A. 14-12, S. 2; 14-231, S. 45; P.A. 19-118, S. 60; P.A. 21-121, S. 97.) History: 1959 act added exceptions from provisions of chapter re interns and hospital residents; 1971 act excepted trained assistants, registered or licensed practical nurses under supervision and control of licensed physician from provisions of chapter and added qualifying provision re optometry and dentistry; 1972 act rephrased exception re graduates of “foreign” medical schools to specify schools “located outside of the United States or the Dominion of Canada” and added exception re foreign physicians; P.A. 75-39 qualified exception re schools attended outside of U.S. or Canada by specifying applicability to schools “recognized by the American Medical Association or the World Health Organization”; P.A. 77-519 deleted proviso whereby exception for foreign physicians is inapplicable if physician declares intention of becoming U.S. citizen and deleted reference to failure to meet residence and citizenship requirements in exception for those attending recognized school outside of U.S. or Canada; P.A. 77-614 transferred regulation power from board to commissioner of health services, granting board an advisory role, effective January 1, 1979; P.A. 84-546 made technical changes to section substituting references to licensure for references to certification; P.A. 86-20 removed a three-year limitation on the exception for a foreign physician practicing in a medical school and added language requiring the Connecticut medical examining board to determine if an exception for a foreign physician is in the public interest; P.A. 86-403 changed effective date of P.A. 86-20 from October 1, 1986, to April 21, 1986; P.A. 88-362 limited the exception for students to persons participating in clinical clerkships and limited the graduate exception to persons who have been issued a permit; P.A. 89-389 added references to advanced practice registered nurses and to nurse-midwives; P.A. 90-211 added exemptions for “licensed” physician assistants and athletic trainers; P.A. 93-296 added provision exempting persons performing diagnostic radiology services from chapter provisions, effective June 29, 1993; P.A. 93-381 replaced commissioner of health services with commissioner of public health and addiction services, effective July 1, 1993; P.A. 94-105 designated provisions re prohibition on practicing without a license as Subsec. (a), exceptions to such prohibition as Subsec. (b) and provisions re authorization to practice optometry, dentistry or dental hygiene as Subsec. (c) and amended Subsec. (b) to insert Subdiv. indicators and add Subdiv. (19) re exception for technicians engaged in tattooing, effective May 23, 1994; P.A. 95-98 amended Subsec. (b) to specifically exclude paramedics from provisions of chapter; P.A. 95-257 replaced Commissioner and Department of Public Health and Addiction Services with Commissioner and Department of Public Health, effective July 1, 1995; P.A. 96-148 added Subsec. (d) concerning telemedicine; P.A. 97-311 amended reference to paramedics to reflect licensure under Sec. 20-206 ll ; P.A. 98-43 paragraphed the numbered Subdivs. in Subsec. (b), changed “1978” to “1979” and “continues” to “as of October 31, 1997, continued” in Subdiv. (16); P.A. 98-166 amended Subsec. (b)(11) to add medical officer candidates, effective June 4, 1998; June Sp. Sess. P.A. 98-1 made a technical change re a statutory reference in Subsec. (c), effective June 24, 1998; P.A. 99-102 added new Subsec. (e) re osteopathic physicians; P.A. 99-168 amended Subsec. (b)(6) by replacing “under the direction of” with “in collaboration with” and adding Subpara. (B) re advanced practice registered nurses under the direction of a physician if maintaining certain classification; P.A. 00-47 amended Subsec. (b)(14) by changing “licensed paramedic” to “paramedic, as defined in Sec. 19a-175(15), acting within the scope of regulations adopted pursuant to section 19a-179”; P.A. 00-226 amended Subsec. (b)(17) by changing “performing” to “practicing”, deleting reference to Sec. 19a-16a and adding reference to Sec. 20-65f, effective the later of October 1, 2000, or the date notice is published by the Commissioner of Public Health in the Connecticut Law Journal indicating that the licensing of athletic trainers and physical therapist assistants is being implemented by the commissioner, i.e. April 11, 2006; P.A. 03-252 amended Subsec. (b)(5) to require out-of-state physician to be licensed in good standing and to allow such physician to practice without Connecticut license for period not to exceed 30 consecutive days; P.A. 05-280 added Subsec. (b)(20) re exception for persons practicing perfusion; P.A. 10-117 added Subsec. (b)(21) re exception for foreign physician or surgeon with current valid license in another country who is participating in supervised clinical training in a licensed hospital, effective June 8, 2010; P.A. 13-208 amended Subsec. (b) by adding Subdiv. (22) re nuclear medicine technologist and making technical changes, effective July 1, 2013; P.A. 13-234 amended Subsec. (b)(19) by substituting reference to Secs. 20-266o and 20-266p for reference to Sec. 19a-92a, effective July 1, 2014; P.A. 14-12 amended Subsec. (b)(6)(A) by replacing “collaboration with a licensed physician” with “accordance with section 20-87a”, effective July 1, 2014; P.A. 14-231 amended Subsec. (b) by adding Subdiv. (22) re nuclear medicine technologist, effective July 1, 2014; P.A. 19-118 amended Subsec. (b)(14) by replacing “(15)” with “(14)”, effective July 1, 2019; P.A. 21-121 amended Subsec. (b)(14) by deleting reference to Sec. 19a-175(14), effective July 6, 2021. Cited. 130 C. 89; 207 C. 346. Connecticut Medical Examining Board lacks authority to regulate the diagnosis and assessment of “conditions”; board exceeded authority by improperly attempting to regulate midwifery as practice of medicine; normal pregnancies are not illnesses, deformities, ailments or diseases within ambit of section. 144 CA 337. Cited. 13 CS 463.
Nearby Sections
15
§ 20-1
Healing arts defined.§ 20-10
Qualification for licensure.§ 20-101b
Construction.§ 20-102
Penalty.§ 20-102bb
Nurse's aides: Registry.Cite This Page — Counsel Stack
Bluebook (online)
Connecticut § 20-9, Counsel Stack Legal Research, https://law.counselstack.com/statute/ct/20-9.