Tatyana S. v. Commissioner of the Social Security Administration

District Court, D. Connecticut·Decided August 21, 2026·No. 3:25-cv-01338·Unknown

Opinion

UNITED STATES DISTRICT COURT DISTRICT OF CONNECTICUT TATYANA S., ) CASE NO. 3:25-CV-1338 (KAD) Plaintiff, ) ) v. ) ) COMMISSIONER OF THE SOCIAL ) AUGUST 21, 2026 SECURITY ADMINISTRATION, ) Defendant.

MEMORANDUM OF DECISION RE: PLAINTIFF’S MOTION TO REVERSE AND REMAND (ECF No. 21) AND COMMISSIONER’S MOTION TO AFFIRM (ECF No. 24)

Kari A. Dooley, United States District Judge: Plaintiff Tatyana S. (“Plaintiff” or “Claimant”), proceeding pro se,1 brings this administrative appeal pursuant to 42 U.S.C. § 405(g). She appeals the decision of defendant, the Commissioner of the Social Security Administration (the “Commissioner”), denying her application for supplemental security income pursuant to Title XVI of the Social Security Act (the “Act”). Plaintiff moves to reverse the Commissioner’s decision on the basis that the ALJ did not properly develop the record, and furthermore, that the ALJ’s residual functional capacity (RFC) determination was not supported by substantial evidence. Alternatively, she seeks a remand for further proceedings before the Commissioner. In response, the Commissioner asserts that the ALJ fulfilled his obligation to develop the record and that the ALJ’s decision is supported by substantial evidence in the record, and thus should be affirmed. For the reasons set forth below, the Plaintiff’s Motion to Reverse or Remand, ECF No. 21, is DENIED, and the Commissioner’s Motion to Affirm, ECF No. 24, is GRANTED.

1 Although Plaintiff is proceeding pro se, she received legal assistance from the Federal Pro Se Legal Assistance Program at Quinnipiac Law School in preparing her appeal. ECF No. 21, at 1 n.1. Standard of Review A person is “disabled” under the Act if that person is unable to “engage in any substantial gainful activity by reason of any medically determinable physical or mental impairment which can be expected to result in death or which has lasted or can be expected to last for a continuous period of not less than 12 months.” 42 U.S.C. § 423(d)(1)(a). A physical or mental impairment is one

“that results from anatomical, physiological, or psychological abnormalities which are demonstrable by medically acceptable clinical and laboratory diagnostic techniques.” Id. § 423(d)(3). In addition, a claimant must establish that their physical or mental impairment or impairments are of such severity that they are not only unable to do their previous work but “cannot, considering [their] age, education, and work experience, engage in any other kind of substantial gainful work which exists in the national economy . . . .” Id. § 423(d)(2)(A). Pursuant to regulations promulgated by the Commissioner, a five-step sequential evaluation process is used to determine whether a claimant’s condition meets the Act’s definition of disability. See 20 C.F.R. § 404.1520. In brief, the five steps are as follows: (1) the

Commissioner determines whether the claimant is currently engaged in substantial gainful activity; (2) if not, the Commissioner determines whether the claimant has “a severe medically determinable physical or mental impairment that meets the duration requirement in § 404.1509” or a combination of impairments that is severe and meets the duration requirements; (3) if such a severe impairment is identified, the Commissioner next determines whether the medical evidence establishes that the claimant’s impairment “meets or equals” an impairment listed in Appendix 1 of the regulations2; (4) if the claimant does not establish the “meets or equals” requirement, the Commissioner must then determine the claimant’s residual functional capacity (“RFC”) to perform

2 Appendix 1 to Subpart P of Part 404 of C.F.R. 20 is the “Listing of Impairments.” their past relevant work; and (5) if the claimant is unable to perform their past work, the Commissioner must finally determine whether there is other work in the national economy which the claimant can perform in light of their RFC, education, age, and work experience. Id. §§ 404.1520(a)(4)(i)–(v), 404.1509. The claimant bears the burden of proof with respect to Steps One through Four, and the Commissioner bears the burden of proof as to Step Five. See McIntyre

v. Colvin, 758 F.3d 146, 150 (2d Cir. 2014). The fourth sentence of Section 405(g) of the Act provides that a “court shall have power to enter, upon the pleadings and transcript of the record, a judgment affirming, modifying, or reversing the decision of the Commissioner . . . with or without remanding the case for a rehearing.” 42 U.S.C. § 405(g). And it is well settled that a district court will reverse the decision of the Commissioner only when it is based upon legal error or when it is not supported by substantial evidence in the record. See Beauvoir v. Chater, 104 F.3d 1432, 1433 (2d Cir. 1997); see also 42 U.S.C. § 405(g) (“The findings of the Commissioner of Social Security as to any fact, if supported by substantial evidence, shall be conclusive . . . .”). “Substantial evidence is more

than a mere scintilla. It means such relevant evidence as a reasonable mind might accept as adequate to support a conclusion.” Talavera v. Astrue, 697 F.3d 145, 151 (2d Cir. 2012) (quotations omitted). The court does not inquire as to whether the record might also support the plaintiff’s claims but only whether there is substantial evidence to support the Commissioner’s decision. Bonet ex rel. T.B. v. Colvin, 523 F. App’x 58, 59 (2d Cir. 2013). Thus, substantial evidence can support the Commissioner’s findings even if there is the potential for drawing more than one conclusion from the record. See Vance v. Berryhill, 860 F.3d 1114, 1120 (8th Cir. 2017). The court can only reject the Commissioner’s findings of facts “if a reasonable factfinder would have to conclude otherwise.” Brault v. Soc. Sec. Admin., 683 F.3d 443, 448 (2d Cir. 2012). Stated simply, “if there is substantial evidence to support the [Commissioner’s] determination, it must be upheld.” Selian v. Astrue, 708 F.3d 409, 417 (2d Cir. 2013). Facts and Procedural History On June 7, 2023, Plaintiff applied for supplemental security income (SSI)3 pursuant to Title XVI,4 alleging an onset of disability date of June 1, 2020. Her claim was initially denied on

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