Okla. Stat. tit. 59, § 59-725.1: Branch of healing art indicated by appending words or

letters to name.

A. Every person who writes or prints, or causes to be written

or printed, his or her name (whether or not the word "Doctor", or an

abbreviation thereof, is used in connection therewith) in connection

with, as engaging in, or holding himself or herself out as engaging

in, any of the branches of the healing art shall append to his or

her name the letters or words set forth in Section 725.2 of this

title if the person is one of the ten classes of persons listed in

subsection A of Section 725.2 of this title.

B. If the person is not one of the ten classes of persons

listed in subsection A of Section 725.2 of this title and is engaged

in a branch of the healing art, the person shall write or print, in

the same size letters as his or her name, appropriate and generally

and easily understood words or letters, which clearly show and

indicate the branch of the healing art in which he or she is

licensed to practice and is engaged.