Cheyenne C. v. Frank Bisignano, Commissioner of Social Security

District Court, E.D. Washington·Decided August 20, 2026·No. 1:26-cv-03046·Unknown

Opinion

FILED IN THE U.S. DISTRICT COURT EASTERN DISTRICT OF WASHINGTON Aug 20, 2026 SEAN F. MCAVOY, CLERK CHEYENNE C.,1 No. 1:26-CV-03046-MKD

Plaintiff, ORDER REVERSING AND REMANDING DECISION OF v. COMMISSIONER

FRANK BISIGNANO, ECF Nos. 8, 10 COMMISSIONER OF SOCIAL

Defendant. Before the Court are the parties’ briefs. ECF Nos. 8, 10. D. James Tree represents Plaintiff. Special Assistant United States Attorney Benjamin Groebner represents Defendant. The Court, having reviewed the administrative record and the parties’ briefing, is fully informed. For the reasons discussed below, the Court reverses the Commissioner’s decision and remands the case for the immediate

1 To protect the privacy of plaintiffs in social security cases, the Court identifies them by only their first names and the initial of their last names. See LCivR 5.2(c). calculation and award of benefits.

Plaintiff was found disabled as a child beginning May 11, 2011. Tr. 139-43. Following a continuing disability review, the agency determined that Plaintiff’s disability ended on June 1, 2015, and an Administrative Law Judge (“ALJ”)

upheld that determination on July 31, 2018. Tr. 21-36. On November 13, 2020, this Court remanded the matter for further administrative proceedings. Tr. 1724- 42. On January 26, 2022, the ALJ issued a partially favorable decision finding that Plaintiff’s disability continued through March 2, 2021, but that Plaintiff was not

disabled under the rules applicable to adults beginning March 3, 2021, when she attained age 18. Tr. 1758-77. On February 21, 2023, the Appeals Council affirmed the finding that Plaintiff’s disability did not end before March 3, 2021,

but vacated the decision concerning the period beginning March 3, 2021, and remanded for further proceedings. Tr. 1780-82. The ALJ issued another unfavorable decision on December 13, 2024, Tr. 1791-1806, which the Appeals Council again vacated and remanded on April 3, 2025, Tr. 1821-23. Following

another hearing, the ALJ issued an unfavorable decision on December 17, 2025, finding Plaintiff was not disabled beginning March 3, 2021. Tr. 1560-89. The Appeals Council did not assume jurisdiction, and the ALJ’s decision became the

final decision of the Commissioner after remand. See 20 C.F.R. § 416.1484(d). Plaintiff appealed this final decision on March 14, 2026. ECF No. 1. The Court has jurisdiction pursuant to 42 U.S.C. § 1383(c)(3).

A district court’s review of a final decision of the Commissioner of Social Security is governed by 42 U.S.C. § 405(g). The scope of review under § 405(g) is

limited; the Commissioner’s decision will be disturbed “only if it is not supported by substantial evidence or is based on legal error.” Hill v. Astrue, 698 F.3d 1153, 1158 (9th Cir. 2012) (citations omitted). “Substantial evidence” means “relevant evidence [that] a reasonable mind might accept as adequate to support a

conclusion.” Id. at 1159 (quotation marks and citation omitted). Stated differently, substantial evidence equates to “more than a mere scintilla[,] but less than a preponderance.” Id. (quotation marks and citation omitted). In determining

whether the standard has been satisfied, a reviewing court must consider the entire record as a whole rather than searching for supporting evidence in isolation. Id. In reviewing a denial of benefits, a district court may not substitute its judgment for that of the Commissioner. Edlund v. Massanari, 253 F.3d 1152,

1156 (9th Cir. 2001), as amended on reh’g (Aug. 9, 2001). If the evidence in the record “is susceptible to more than one rational interpretation, [the court] must uphold the ALJ’s findings if they are supported by inferences reasonably drawn

from the record.” Molina v. Astrue, 674 F.3d 1104, 1111 (9th Cir. 2012), superseded on other grounds by 20 C.F.R. §§ 404.1502(a), 416.902(a) (citation omitted). Further, a district court “may not reverse an ALJ’s decision on account

of an error that is harmless.” Id. (citation omitted). An error is harmless “where it is inconsequential to the [ALJ’s] ultimate nondisability determination.” Id. at 1115 (quotation marks and citation omitted). The party appealing the ALJ’s decision

generally bears the burden of establishing that it was harmed. Shinseki v. Sanders, 556 U.S. 396, 409-10 (2009). A claimant must satisfy two conditions to be considered “disabled” within

the meaning of the Social Security Act. First, the claimant must be “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 twelve months.” 42 U.S.C. § 1382c(a)(3)(A). Second, the claimant’s impairment must be “of such severity that he is not only unable to do his previous work[,] but cannot, considering his age, education, and work experience, engage in any other kind of

substantial gainful work which exists in the national economy.” 42 U.S.C. § 1382c(a)(3)(B). Section 1614(a)(3)(H) of the Social Security Act requires the Commissioner

to redetermine the eligibility of an individual who was receiving supplemental security income as a child when the individual attains age 18. 42 U.S.C. 1382c(a)(3)(H). In conducting an age-18 redetermination, the Commissioner

applies the rules governing adults who file new applications for benefits, rather than the rules governing continuing disability reviews. 20 C.F.R. § 416.987(b). The Commissioner therefore applies the adult five-step sequential evaluation

process, except that the first step concerning substantial gainful activity does not apply. Id. At step two, the Commissioner considers the severity of the claimant’s impairment. 20 C.F.R. § 416.920(a)(4)(ii). If the claimant suffers from “any

impairment or combination of impairments which significantly limits [his or her] physical or mental ability to do basic work activities,” the analysis proceeds to step three. 20 C.F.R. § 416.920(c). If the claimant’s impairment does not satisfy this

severity threshold, however, the Commissioner must find that the claimant is not disabled. Id. At step three, the Commissioner compares the claimant’s impairment to severe impairments recognized by the Commissioner to be so severe as to preclude

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Cheyenne C. v. Frank Bisignano, Commissioner of Social Security, (E.D. Wash. 2026).

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