A.G. v. Commissioner of Social Security

District Court, N.D. California·Decided March 27, 2026·No. 3:24-cv-06884·Unknown

Opinion

1 2 3 4 UNITED STATES DISTRICT COURT 5 NORTHERN DISTRICT OF CALIFORNIA 6 A.G., 7 Case No. 24-cv-06884-JCS Plaintiff, 8 v. ORDER RESOLVING SOCIAL 9 SECURITY CHALLENGE COMMISSIONER OF SOCIAL 10 SECURITY, Re: Dkt. Nos. 19, 24 11 Defendant.

12 13 I. INTRODUCTION 14 Plaintiff A.G.1 brings this action challenging the decision of Defendant the Commissioner 15 of Social Security (“the Commissioner”)2 denying her application for disability benefits. The 16 parties have consented to the jurisdiction of a magistrate judge for all purposes under 28 U.S.C. § 17 636(c) and filed briefs on the merits in accordance with the Federal Rules of Civil Procedure’s 18 Supplemental Rules for Social Security Actions Under 42 U.S.C. § 405(g). For the reasons 19 discussed below, the Court finds in favor of A.G. The Commissioner’s decision is REVERSED, 20 and the case is REMANDED for further administrative proceedings consistent with this Order 21 II. REGULATORY FRAMEWORK FOR DETERMINING DISABILITY 22 A. The Five-Step Framework 23 Disability insurance benefits are available under the Social Security Act (the “Act”) when 24 1 Because opinions by the Court are more widely available than other filings and this Order 25 contains potentially sensitive medical information, this Order refers to Plaintiff using only her initials. This Order does not alter the degree of public access to other filings in this action 26 provided by Rule 5.2(c) of the Federal Rules of Civil Procedure and Civil Local Rule 5- 1(c)(5)(B)(i). 27 2 Commissioner Frank Bisignano assumed that role while this case was pending and is therefore 1 an eligible claimant is unable “to engage in any substantial gainful activity by reason of any 2 medically determinable physical or mental impairment . . . which has lasted or can be expected to 3 last for a continuous period of not less than 12 months.” 42 U.S.C. § 423(d)(1)(A); see also 42 4 U.S.C. § 423(a)(1). A claimant is only found disabled if their physical or mental impairments are 5 of such severity that they are not only unable to do their previous work but also “cannot, 6 considering [their] age, education, and work experience, engage in any other kind of substantial 7 gainful work which exists in the national economy.” 42 U.S.C. § 423(d)(2)(A). 8 The Commissioner has established a sequential, five-part evaluation process to determine 9 whether a claimant is disabled under the Act. See Tackett v. Apfel, 180 F.3d 1094, 1098 (9th Cir. 10 1999) (citing 20 C.F.R. § 404.1520). The claimant bears the burden of proof at steps one through 11 four, but the burden shifts to the Commissioner at step five. Id. “If a claimant is found to be 12 ‘disabled’ or ‘not disabled’ at any step in the sequence, there is no need to consider subsequent 13 steps.” Id. 14 At step one, the ALJ considers whether the claimant is presently engaged in “substantial 15 gainful activity.” 20 C.F.R. § 404.1520(a)(4)(i). If the claimant is engaged in such activity, the 16 ALJ determines that the claimant is not disabled, and the evaluation process stops. Id. If the 17 claimant is not engaged in substantial gainful activity, the ALJ continues to step two. See id. 18 At step two, the ALJ considers whether the claimant has “a severe medically determinable 19 physical or mental impairment” or combination of such impairments that meets the regulations’ 20 twelve-month durational requirement. 20 C.F.R. §§ 404.1509, 404.1520(a)(4)(ii). An impairment 21 or combination of impairments is severe if it “significantly limits [the claimant’s] physical or 22 mental ability to do basic work activities.” 20 C.F.R. § 404.1520(c). If the claimant does not have 23 a severe impairment, disability benefits are denied. 20 C.F.R. § 404.1520(a)(4)(ii). If the ALJ 24 determines that one or more impairments are severe, the ALJ proceeds to the next step. See id. 25 At step three, the ALJ compares the medical severity of the claimant’s impairments to a 26 list of impairments that the Commissioner has determined are disabling (“Listings”). See 20 27 C.F.R. § 404.1520(a)(4)(iii); see also 20 C.F.R. Pt. 404, Subpt. P, App. 1. If one or a combination 1 disabled. 20 C.F.R. § 404.1520(a)(4)(iii). Otherwise, the analysis continues. See id. 2 At step four, the ALJ must assess the claimant’s residual functional capacity (“RFC”) and 3 past relevant work. 20 C.F.R. § 404.1520(a)(4)(iv). The RFC is “the most [a claimant] can still 4 do despite [that claimant’s] limitations . . . based on all the relevant evidence in [that claimant’s] 5 case record.” 20 C.F.R. § 404.1545(a)(1). The ALJ then determines whether, given the claimant’s 6 RFC, the claimant would be able to perform their past relevant work. 20 C.F.R. § 404.1520(a)(4). 7 Past relevant work is “work that [a claimant] has done within the past fifteen years, that was 8 substantial gainful activity, and that lasted long enough for [the claimant] to learn how to do it.” 9 20 C.F.R. § 404.1560(b)(1). If the claimant is able to perform their past relevant work, then the 10 ALJ finds that they are not disabled. If the claimant is unable to perform their past relevant work, 11 then the ALJ proceeds to step five. 12 At step five, the Commissioner has the burden to “identify specific jobs existing in 13 substantial numbers in the national economy that the claimant can perform despite [the claimant’s] 14 identified limitations.” Meanel v. Apfel, 172 F.3d 1111, 1114 (9th Cir. 1999) (quoting Johnson v. 15 Shalala, 60 F.3d 1428, 1432 (9th Cir. 1995)). If the Commissioner meets this burden, the 16 claimant is not disabled. See 20 C.F.R. § 404.1520(f). Conversely, the claimant is disabled and 17 entitled to benefits if there are not a significant number of jobs available in the national economy 18 that the claimant can perform. Id. 19 B. Factual Background 20 A.G.

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