The opinion of the court was delivered by
PRESSLER, P.J.A.D.This appeal raises an entire controversy issue. Plaintiffs Giuseppe Illiano, Coreen A. Illiano, his wife who sues per quod, and their original personal injury attorneys, Peter A. Allegra and the firm of Allegra, Nebelkopf & DeConca, P.C., appeal from a summary judgment dismissing their consolidated complaints against defendants Seaview Orthopedics, Dr. Michael F. Lospinuso, and Jacklyn B. Glavin. We are persuaded that the entire controversy doctrine does not bar this action, and accordingly we reverse and remand.
This litigation has its genesis in an automobile accident that occurred on September 18,1987, when a vehicle driven by Dorothy Gilbert struck the vehicle of plaintiff Giuseppe Illiano. He sustained a back injury that did not respond to conservative treatment. In early July 1989, he was referred to defendant Dr. Lospinuso, a principal of Seaview Orthopedics, who performed diagnostic tests and determined that plaintiff was suffering from a herniated disc at L5-S1. He recommended surgery and on August 16, 1989, performed a microdiscectomy. Plaintiff has apparently had a good recovery.
In late July 1989, apparently after the surgery had been scheduled and the extent of the injury known, plaintiff Allegra filed an automobile-negligence personal-injury action for the Illianos against Gilbert. As we understand the record, there was little if any dispute of Gilbert’s negligence — she had apparently pulled out of her lane of traffic and directly into Illiano’s path. The primary issue in that litigation was, therefore, the extent of the Illianos’ damages. In preparation for trial, Allegra obtained Lospinuso’s reports. For some unexplained reason, Lospinuso erroneously *102reported, as part of Uliano’s medical history, both the time of occurrence and the cause of his back injury.
Thus, Lospinuso’s discharge summary began as follows:
The patient is a 37-year old male again complaining of right leg pain. He is a local pizzamaker who has been having this pain for some time after lifting heavy set of boxes and involved in an automobile accident.
His two-page final report of plaintiffs condition and treatment began as follows:
Mr. Joseph Illiano was first seen in our office on 7/3/89 for a complaint of right leg pain and right buttock pain. He had this pain since an accident which occurred approximately three months ago. He had seen numerous physicians including a physical therapist as well as a chiropractor for his problems. All are suggesting conservative, rehabilitative care.
Yet a third version of the history appears in the hospital record, in which Lospinuso, as the attending physician, noted that Illiano had the right leg and buttock pain “since an automobile accident occurred approximately three months ago.” Since the Illianos were seeking damages for injuries sustained by Giuseppe Illiano in an automobile accident almost two years prior to the surgery, it is perfectly obvious that Lospinuso’s record entries of both a back injury sustained by lifting boxes at work and an automobile accident three months prior to the surgery were devastating to their pending action against Gilbert.
Allegra first became aware of Lospinuso’s misunderstanding in November 1989 when he, Allegra, called him to make sure that the surgical bills had been paid by the Illianos’ personal injury protection (PIP) carrier. Dr. Lospinuso apparently advised Allegra that he was in the process of preparing his bill, but had no knowledge that the herniated disc he had treated was caused by an automobile accident, insisting that plaintiff himself had told him that he had sustained the injury at work while lifting boxes. Allegra assured him that this was a two-year-old automobile accident injury and that he, Allegra, would send Lospinuso copies of Illiano’s previous medical reports. Allegra then immediately reported these events to the Illianos, instructing them to communicate forthwith with Lospinuso to “explain the correct history of this case.” Allegra also explained to them that if the history were *103not corrected, “not only will your bills remain unpaid, but you will be unable to prove that the back injury you suffered, requiring the surgery, came about as the result of the accident.”
According to the record, Lospinuso, despite the importuning of both Allegra and Illiano, made no change in his reports. In an effort to straighten the matter out, Allegra spoke to defendant Jacklyn B. Glavin, an employee of Seaview Orthopedics identifying herself as “Legal Department.”1 He explained the situation and asked for her assistance. At her suggestion, he wrote to her in January 1990 setting forth all the pertinent facts and asking for a correction of the reports. There was no response during the next eight months despite Allegra’s and the Illianos’ repeated telephone calls. Indeed, in July 1990, the Illianos’ PIP carrier refused payment of Lospinuso’s bills on the ground that his reports did not relate his treatment to the 1987 automobile accident. Finally, in mid-August 1990, Glavin responded to Allegra by a letter reading in full as follows:
I am in receipt of your letter of January 17, 1990 regarding your elient/our patient, Mr. Joseph Illiano.
Please be advised that Dr. Lospinuso cannot change any of his dictation or notes regarding the patient’s history-of-accident, because of the very clear history presented to the doctor at the time of the patient’s first visit.
If I can be of further assistance regarding this matter, kindly contact this office.
As a result of the adamancy of Lospinuso and his staff, Allegra, as he asserts in the certification he filed in this action, had a critical problem in dealing with the Gilbert action. He concluded that he could not call Lospinuso as a witness, either for depositions or at trial, and thereby risk Lospinuso’s continued insistence that Illiano’s back injury was caused either by lifting boxes or by a later automobile accident than was the subject of this suit. He also appreciated that if he forewent Lospinuso’s testimony in favor of a forensic witness, that witness would inevitably have to rely on *104the misstatement in Lospinuso’s reports regarding the cause qf the accident. Inferably, he may even have begun to doubt his clients’ version of how the injury occurred. Accordingly, having engaged in settlement negotiations with Gilbert’s carrier, he obtained and recommended to his clients an offer of $70,000, which they accepted and which they contend was far below the fair settlement value of the case. The settlement was consummated in January 1991.
Thereafter, the Illianos continued to consult with Allegra regarding their own carrier’s disclaimer of PIP benefits. Allegra advised them by letter in June 1992 that in view of Lospinuso’s insistence that the back injury was caused by events other than the Gilbert accident, there was nothing further to be done. It is inferable that in view of the carrier’s continued refusal to pay his bill, Lospinuso finally reviewed plaintiff’s record in September 1992 and discovered that his reports were in error. He wrote, in almost identical verbiage, both to the Illianos and “To Whom it May Concern” (inferably the PIP carrier) so advising and explaining as follows:
It was incorrectly stated in the [Discharge] Summary that this [injury] had occurred after lifting heavy boxes. Enclosed is a copy of my handwritten worksheet and looking under subsection 11, certainly you can see that the history of present illness states there was a motor vehicle accident which occurred two years ago at which time the patient’s right buttock pain had ensued secondary to his disc herniation.
The annexed handwritten work sheet did correctly report that Illiano’s injury was sustained in the Gilbert accident in 1987. Thereafter, Allegra commenced suit on behalf of the Illianos against the PIP carrier, which was apparently resolved. The Illianos also then commenced this action against Lospinuso, Sea-view and Glavin, claiming that Lospinuso’s refusal to correct his reports during the pendency of the Gilbert suit resulted in their loss of the fair value of their claim against Gilbert. Allegra and his firm filed a separate suit, later consolidated with the Illianos’, seeking to recover the fees lost as a result of the under-value settlement.
*105Defendants moved for summary judgment on various grounds, including the entire controversy doctrine, the statute of limitations, and the failure of the complaint to state a cognizable cause of action.2 The motion judge considered only the entire controversy argument, concluding that the doctrine applied to bar this action. We disagree.
We are aware of the breadth recently accorded the entire controversy doctrine by the Supreme Court’s 1995 tetralogy, Mortgagelinq Corp. v. Commonwealth Land Title, 142 N.J. 336, 662 A.2d 536 (1995); Mystic Isle Development Corp. v. Perskie & Nehmad, 142 N.J. 310, 662 A.2d 523 (1995); Circle Chevrolet v. Giordano, Halleran & Ciesla, 142 N.J. 280, 662 A.2d 509 (1995); DiTrolio v. Antiles, 142 N.J. 253, 662 A.2d 494 (1995). We are nevertheless persuaded that even an expansive reading of the principles therein articulated cannot lead to the doctrine’s applicability here.
We first consider Circle Chevrolet and Mystic Isle, which the motion judge viewed as both analogous and controlling here. In both cases, the Supreme Court applied the doctrine to bar a successive legal malpractice suit against the attorneys whose alleged negligence assertedly caused or contributed to the cause of the very harm that was the gravamen of their respective clients’ prior suit against third parties. Thus, in Circle Chevrolet, plaintiff in the first suit had brought an action against its landlord to reform a settlement agreement between them respecting the calculation of increased rentals under the lease. Successful in that suit, it then brought a second action against its former attorneys *106whose alleged negligence had resulted in the plaintiffs execution of the erroneous settlement agreement in the first place. In Mystic Isle, plaintiff in the first suit, a land developer, had sued a number of parties alleged to be liable to it for the damages it incurred in failing to obtain a sufficient number of sewer permits for its development. After the suit was dismissed, plaintiff sued its former attorneys, who had also represented both it and its grantor in separate earlier litigation against the municipal utility authority, based on its refusal to issue the permits. Plaintiff alleged in the second suit that its failure to proceed with the project by reason of the unissued permits was due to the asserted various acts of improper conduct by those attorneys. In both cases, the Supreme Court concluded that the attorneys should have been joined in the underlying litigation because the claims against them in the successive actions were constituent claims arising out of the same transaction that was the gravamen of the first suit against others. In sum, it is clear on a close factual analysis that in both Circle Chevrolet and Mystic Isle, the malpractice claims against the attorneys were inextricably bound to the transaction giving rise to the first suit, both plaintiffs having essentially alleged that but for the acts of malpractice asserted in the second suit, the underlying transaction complained of in the first suit would never have occurred. Thus, it was the wrongful conduct of the attorneys alleged in the second suit that was the very occasion of the claims made by the respective plaintiffs against other parties in the first suit. In such circumstances, the alleged attorney malpractice was clearly a constituent claim of the very controversy raised in the first suit.
That is patently not the case here. The subject of the underlying or first suit here was a routine automobile accident personal-injury case. Unlike the lawyers subsequently sued in Circle Chevrolet and Mystic Isle, Dr. Lospinuso had nothing to do with giving rise to that cause of action. The claims made against him by plaintiffs arising out of his conduct during the litigation had no causal nexus with plaintiffs’ claim against the other driver. This case is, therefore, analytically akin to Joel v. Morrocco, 147 N.J. *107546, 549-50, 688 A.2d 1036 (1997) in which the Supreme Court explained that “[ijn essence, it is the factual circumstances giving rise to the controversy itself, rather than a commonality of claims, issues or parties, that triggers the requirement of joinder to create a cohesive and complete litigation.” In short, the Lospinuso claim, in our view, is simply not fairly charaeterizable as a constituent component of plaintiffs’ claim against Gilbert. It is rather a separate and tangential controversy arising out of an altogether different relationship having its own set of responsibilities and obligations.
But even beyond the analytical issue of whether or not the claim against Lospinuso is a constituent component of the transaction giving rise to the claim against Gilbert is the fairness issue. The Supreme Court has made clear that since the entire controversy doctrine is equitably rooted, “its applicability is left to judicial discretion based on the particular circumstances inherent in a given case.” Mystic Isle, supra, 142 N.J. at 323, 662 A.2d 523. See also Joel v. Morrocco, supra, 147 N.J. at 554-55, 688 A.2d 1036; Prevratil v. Mohr, 145 N.J. 180, 190, 678 A.2d 243 (1996). As we recently pointed out in Erenberg v. Cordero, 294 N.J.Super. 352, 357, 683 A.2d 567 (App.Div.1996), chief among the equitable considerations determining the doctrine’s applicability “is the full and fair opportunity of the party sought to be precluded in the second action to have raised the claim there asserted in the original action.” We think it plain that plaintiffs did not have that opportunity here.
As we see it, the issue is whether, considering what was at stake in the Gilbert action, it is reasonable as a matter of practical jurisprudence to have required plaintiffs to have sued their treating surgeon in the same case. We think it plain that such a requirement would have been unreasonable here. That is to say, Lospinuso’s testimony was critical to plaintiffs’ damages claim against Gilbert. He and his agent had already told them that he would not correct the report which, in its original form, negated a substantial component of the damage claim. We do not think that *108joinder of the treating physician as a necessarily hostile defendant can be reasonably anticipated to have promoted plaintiffs’ cause against Gilbert. Just the opposite would have been the case. Moreover, such joinder would have left plaintiffs with the necessity of finding a forensic witness, who in any case would have had to have testified as to the erroneous history in Lospinuso’s reports. The point, of course, is that plaintiffs had the worst of all possible worlds to choose between. They could either, as they did, forget about Lospinuso altogether as a witness or as a defendant in the Gilbert case and try to negotiate the best settlement they could under those circumstances, or they could have joined Lospinuso in the Gilbert case and thereby risk their ability to make any settlement at all. Clearly, moreover, as a practical matter, they could not have gone to trial against Gilbert either without Lospinuso as their medical witness or with the doctor as a defendant.
We are perfectly satisfied that plaintiffs’ election to take the under-value settlement was a perfectly reasonable choice for extricating themselves from the quandary that Lospinuso and Glavin had created by their obduracy. We are also satisfied that they have no cause for complaint on prejudice grounds. Thus, they argue that if plaintiffs had either joined or deposed Lospinuso in the Gilbert action, the mistake would have then been discovered, Lospinuso would have testified consistently with the fact of the injury resulting from the 1987 accident, and this suit need never have been brought. But that is hindsight and speculation. The question is, in view of Lospinuso’s long standing adamancy regarding the correctness of his reports, whether plaintiffs, on pain of losing their cause of action against Lospinuso, had to take the risk in the Gilbert action that they would lose any chance of recovery there as well. We think not. Nor is there any merit to defendants’ claim that they will be deprived by this separate action of their right of contribution from Gilbert. The fact is that they are not joint tortfeasors. The cause of action against defendants is entirely separate and independent. This is a cause of action for loss of value of their claim against Gilbert. The measure of damages is the full value of that claim, to be deter*109mined by a trial within a trial, see Spaulding, supra, 229 N. J.Super. at 430, 551 A.2d 1022, with a molded pro tanto reduction after verdict in the amount of the Gilbert settlement.
The entire controversy doctrine was never intended to have so unfair and unreasonable a result as it would have in this case. We accordingly cannot sanction its applicability here.
As we have noted, the motion judge did not address the other grounds of defendants’ summary judgment motion. Nor will we. These are- matters appropriately considered in the first instance by the trial court.
The summary judgment appealed from is reversed and we remand for further proceedings consistent with this opinion.
There is nothing in the record to indicate whether Glavin or anyone else in the "Legal Department” was an attorney or, indeed, if there even was a legal department as that phrase is ordinarily understood, that is, the office of house counsel for the entity.
As to the cognizability of the cause of action, see, e.g., Spaulding v. Hussain, 229 N.J.Super. 430, 551 A.2d 1022 (App.Div.1988), regarding a treating physician's litigation obligation to his patient. See also, as to the cause of action for negligent misrepresentation, Restatement (Second) of Torts § 552 (1977). See also Petrillo v. Bachenberg, 139 N.J. 472, 655 A.2d 1354 (1995); Rosenblum v. Adler, 93 N.J. 324, 334, 461 A.2d 138 (1983). And see, as to the concealment of material evidence, Fox v. Mercedes-Benz Credit Corp., 281 N.J.Super. 476, 482, 658 A.2d 732 (App.Div.1995); Viviano v. CBS, Inc., 251 N.J.Super. 113, 597 A.2d 543 (App.Div.1991), certif. denied, 127 N.J. 565, 606 A.2d 375 (1992).