delivered the opinion of the court:
The case concerns two suits brought by an employee covered by the Workmen’s Compensation Act (Ill. Rev. Stat. 1977, ch. 48, par. 138.1 et seq.) against his employer and medical practitioners hired by his employer to recover for malpractice by those practitioners in treating him for an injury compensable under the Act. In question is the application to this situation of the “dual capacity doctrine” recently applied by the supreme court in Smith v. Metropolitan Sanitary District (1979), 77 Ill. 2d 313, 396 N.E.2d 524.
Plaintiff, Max D. McCormick, Sled two separate suits in the circuit court of McLean County seeking recovery for medical malpractice in the treatment of injuries received'on January 26,1976. These suits have been consolidated on appeal and as such have Caterpfflar Tractor Co. (Caterpillar), M. E. Godby, M.D., L. B. Patalínghug, M.D., and M. T. Neu, M.D., as defendants. Judgments for all defendants have been entered in both cases, in one upon a motion to dismiss the complaint, in the other pursuant to a motion for summary judgment. This appeal followed.
At the hearings on both motions, it was undisputed that (1) plaintiff had received injuries arising in the course of and out of his employment by defendant Caterpillar, (2) his employment was covered by the Workmen’s Compensation Act, (3) he had made claim for workmen’s compensation benefits for his injury, (4) the alleged malpractice arose from treatment of that injury, and (5) all individual defendants were employees of defendant Caterpillar. The reason for the ruling was the immunity supposedly arising from section 5(a) of the Workmen’s Compensation Act (Ill. Rev. Stat. 1977, ch. 48, par. 138.5(a)) which provides in part:
“No common law or statutory right to recover damages from the employer, his insurer, ‘ * *or the agents or employees of any of them for injury 0 0 0 sustained by any employee while engaged in the line of his duty as such employee, other than the compensation herein provided, is available to any employee who is covered by the provisions of this Act, 0 ”
In Smith, a group of contractors formed a joint venture to do certain construction work. An employee of the joint venture was injured and filed claim for workmen’s compensation benefits for the injury. He also filed suit at law to recover for these injuries. One of the joint venturers was among the defendants and was charged in separate counts with (1) violations of the Structural Work Act (Ill. Rev. Stat. 1973, ch. 48, par. 60 et seq.), (2) ordinary negligence, and (3) strict liability for a defective product. The supreme court ultimately held that section 5(a) barred recovery on the first two theories of liability because the joint venture and the joint venturer were one and the same entity. However, the court concluded that section 5(a) was not a bar to recovery on the strict liability charge which arose from a claimed defect in a vehicle furnished by the joint venturer to the joint venture under a lease. The court distinguished the lease of the vehicle from a situation where the joint venturer might have supplied the vehicle to the joint venture in its capacity as an employer furnishing a tool for the employee’s use. Under those circumstances, the court would have held section 5(a) to bar the action, but because of the lease, the court held the joint venturer to have been functioning in a separate capacity as a lessor, not protected by section 5(a) and subject to the strict liability imposed upon lessors of vehicles. Crowe v. Public Building Com. (1978), 74 Ill. 2d 10, 383 N.E.2d 951.
The court explained the rationale for its determination in these words:
“This theory, known as the ‘dual capacity doctrine,’ has been defined in the following terms: ‘[A]n employer normally shielded from tort liability by the exclusive remedy principle may become liable in tort to his own employee if he occupies, in addition to his capacity as employer, a second capacity that confers on him obligations independent of those imposed on him as employer.' (2A A. Larson, Workmen’s Compensation sec. 72.80, at 14-112 (1976). See also Kelly, Workmen's Compensation and Employer Suability: The Dual-Capacity Doctrine, 5 St. Mary’s L.J. 818 (1974).) Professor Larson explains that the decisive test in applying the dual capacity doctrine ‘is not concerned with how separate or different the second function of the employer is from the first but with whether the second function generates obligations unrelated to those flowing from the first, that of employer.’ (2A A. Larson, Workmen’s Compensation sec. 72.80, at 14-117 (1976).) A mere separate theory of liability against the same legal person as the employer is not a true basis for use of the dual capacity doctrine; the doctrine, instead, requires a distinct separate legal persona. (2A A. Larson, Workmen’s Compensation sec. 72.80 (Supp. 1979).) Cited examples showing an employer in a dual capacity include: a shipowner employing stevedores (Reed v. Steamship Yaka (1963), 373 U.S. 410, 10 L. Ed. 2d 448, 83 S. Ct. 1349); a landowner employing persons to work on his property (Marcus v. Green (1973), 13 Ill. App. 3d 699); and a chiropractor treating his own employee’s work-related injuries (Duprey v. Shane (1952), 39 Cal. 2d 781, 249 P.2d 8).” Smith, 77 Ill. 2d 313, 318-19, 396 N.E.2d 524, 527.
We are unable to satisfactorily distinguish this case from Duprey v. Shane which was cited with apparent approval by the supreme court. In both cases (1) the employee was injured under circumstances giving rise to liability for workmen’s compensation benefits, (2) the employee sought those benefits, (3) the employer was not required to perform the medical treatment itself or through its employees (see Ill. Rev. Stat. 1977, ch. 48, par. 138.8(a); Duprey v. Shane (1952), 39 Cal. 2d 781, 793, 249 P.2d8, 15) and (4) the employer chose to furnish the medical treatment itself rather than to pay others to do so. We see no significant difference arising because the Duprey employer was an individual performing the treatment himself whereas here the employer was a corporation acting through full-time employees. Larson describes the significant factor not to be that the employer takes on a different function (i.e., manufacturing vs. doctoring) but that when the employer performs the treatment directly rather than merely paying the bills, it takes on a different relationship to the employee with different obligations arising. (2A A. Larson, Workmen’s Compensation sec. 72.80, at 14 — 118 (1976).) Thus a doctor-patient relationship is created between the employer and the employee and the employer takes on a different persona.
While in Reed and Marcus, cited in Smith, there was some substantial degree of difference in the capacities in which the defendants had operated as employers and the capacities in which they were held subject to suits at law, the position of the Larson treatise quoted in Smith indicates that the degree of difference between capacities is not of great significance. Indeed, in Duprey there was no difference because the defendant was giving the same service to the employee that he was in the business of furnishing to the public. The change was in the chiropractor’s relationship to his employee.
Although Duprey may have been either rejected or deemed different from the case before it by the California intermediate court of review in Dixon v. Ford Motor Co. (1975), 53 Cal. App. 3d 499, 125 Cal. Rptr. 872, Duprey is cited by both Larson and the supreme court as an example of application of the “dual capacity doctrine.” Because of that precedent, we hold that section 5(a) affords no immunity to Caterpillar here.
The situation is different as far as the doctor employees of Caterpillar are concerned. No case has been called to our attention where statutory immunity of coemployees has been abrogated by the “dual capacity doctrine.” One purpose of the Workmen’s Compensation Act was to relieve employees of the possible financial burden arising from their negligently injuring coemployees (O’Brien v. Rautenbush (1956), 10 Ill. 2d 167, 139 N.E.2d 222). We see no indication of intent in Smith to deny this immunity merely because an employee might be serving an employer in a capacity different than that of another employee whom he might injure. The immunity of an employee from liability does not keep the conduct of that employee from being wrongful, nor does it prevent responsibility for that conduct from flowing to the employer under the doctrine of respondeat superior.
For the reasons stated, we affirm the judgments entered in favor of the individual defendants and reverse the judgment entered in favor of defendant Caterpillar. We remand to the circuit court of McLean County for further proceedings.
Affirmed in part; reversed in part; and remanded.
MILLS, P. J., concurs.