When your SSDI application lands at Disability Determination Services (DDS), it enters a state-run agency that most applicants never think about — even though DDS employees make the first decision on nearly every disability claim in the country. Understanding what DDS is, who works there, and how those jobs shape your case gives you a clearer picture of the process itself.
DDS agencies are state-level offices that operate under contract with the Social Security Administration (SSA). There are DDS offices in all 50 states, Washington D.C., and several U.S. territories. Although SSA sets the rules and funds the work, the actual employees reviewing your medical records are state government workers — not federal SSA employees.
When you file an SSDI or SSI application, SSA routes it to your state's DDS office. DDS handles both the initial determination and, in most states, the reconsideration level of appeal. Only after those two stages does a case move to a federal Administrative Law Judge (ALJ) hearing.
DDS offices employ several categories of workers, each with a distinct role in how claims move through the system.
This is the central job at DDS. Disability examiners review SSDI and SSI applications from start to finish at the initial and reconsideration stages. Their responsibilities include:
Examiners are not doctors, but they work closely with physicians and psychologists on staff. Entry requirements vary by state, but most positions require at minimum a bachelor's degree, sometimes in a health or social science field, and on-the-job training in SSA policy.
These are licensed physicians and psychologists employed by DDS to provide medical opinions on cases. They review records, complete RFC assessments, and help examiners interpret clinical evidence. Their opinions carry significant weight — SSA's regulations specifically address how adjudicators at later appeal stages must treat MC and PC findings.
Some DDS offices employ or contract with vocational specialists who assess whether a claimant can perform past relevant work or other jobs that exist in the national economy. This analysis feeds directly into steps four and five of SSA's sequential evaluation.
DDS offices also include quality assurance reviewers who audit completed cases before decisions go out, as well as administrative and clerical roles supporting the examiner workflow.
Understanding the staffing structure explains several things applicants often find confusing.
Decisions at the DDS level reflect examiner-MC collaboration. When DDS denies a claim saying the evidence doesn't show sufficient functional limitations, that finding typically reflects both the examiner's case development and a medical consultant's RFC assessment — not a single person's opinion.
State-to-state variation is real. Because DDS agencies are state-run, staffing levels, training practices, workload, and even interpretation of borderline evidence can differ across states. This is one reason approval rates vary noticeably from state to state at the initial and reconsideration stages.
Turnaround times are a staffing function. When DDS offices are understaffed or managing high caseloads, processing times lengthen. SSA publishes general processing time data, but individual wait times still vary based on case complexity, the availability of medical records, and local office capacity.
DDS handles the first two stages of the SSDI process only. Once a claim moves to an ALJ hearing, it leaves DDS entirely and enters the federal Office of Hearings Operations (OHO). DDS employees have no involvement at that stage or beyond.
DDS also does not handle continuing disability reviews (CDRs) in the same way as initial claims — though some DDS staff do conduct periodic reviews to determine whether beneficiaries still meet the disability standard.
| Factor | Why It Matters at DDS |
|---|---|
| Medical evidence quality | Examiners and MCs base RFC findings on what's in the record |
| Treating source documentation | Detailed clinical notes carry more weight than sparse records |
| Type of impairment | Some conditions are evaluated under specific SSA "Listings" |
| Age and education | Factor into step-five vocational analysis |
| Work history | Determines past relevant work and whether skills transfer |
| State of filing | Affects examiner workload, approval patterns, and timelines |
DDS positions are state government jobs, posted through each state's civil service or merit system. Most examiner roles are entry-to-mid-level positions with competitive salaries relative to other state agency work, full benefits, and structured training programs. Medical consultant roles require active licensure and relevant clinical experience.
People who work in DDS often have backgrounds in social work, health administration, nursing, psychology, vocational rehabilitation, or public administration. Turnover has historically been a challenge in some states due to workload and the emotionally demanding nature of reviewing serious medical claims.
The DDS system is designed to be consistent — the same federal rules, the same sequential evaluation, the same RFC framework applied across millions of cases every year. 🗂️ But how those rules interact with any one claimant's specific medical history, functional limitations, work record, and available evidence is where consistency ends and individual outcomes begin. Two people with the same diagnosis can move through DDS very differently depending on what their files actually show.
That gap between how the system works and how it applies to a specific person is exactly what makes the DDS stage both predictable in structure and deeply variable in result.