SUN Behavioral Delaware
Georgetown, Delaware
41 treatment centers across Delaware that work with Medicare.

Faith-based programming turns up in Delaware far more often than it does nationally — 6 of the 41 centers listed here report it, close to eight times the rate across the wider directory. Programs serving children under 13 are also unusually common, reported by 8 of the 41, roughly four times the national share, which matters for families where more than one person needs support. Every one of the 41 Delaware centers listed reports accepting Medicare, and 40 also report Medicaid.
What that acceptance means in practice still depends on your plan. Original Medicare and Medicare Advantage handle networks, referrals and prior authorization differently, so two people holding cards with the same word on them can face very different rules at the same Delaware program. The listings show what each facility reports; your plan documents and the facility's billing office are where the answer is confirmed.
Sober living is reported by 9 of the 41 Delaware centers listed, about twice the rate seen across the directory as a whole. If housing stability is part of what you need after a program ends, ask what the arrangement costs and whether it is separate from anything Medicare covers.
Co-occurring mental health and substance use care is reported by 37 of the 41 listed centers, and 38 report treating co-occurring disorders as a condition. PTSD and trauma are treated at 25, and 30 use trauma-informed approaches.
Spanish-language services are reported by at least 25 of the 41 listed centers, and at least 17 report ASL. Ask whether interpretation is available at every session or only at intake, since that differs by program.
At least 22 of the Delaware centers listed report state licensure, 19 report being SAMHSA-listed, and 12 each report CARF accreditation and Joint Commission accreditation. Credentials are self-reported here, so verify them with the accrediting body if they matter to your decision.
Delaware's geography shapes access more than its size suggests. Treatment capacity clusters in the New Castle County corridor around Wilmington and Newark, with a second concentration near Dover, while people in Sussex County often face the longest drive up Route 1 or 13 for anything more intensive than a weekly appointment. That is why telehealth carries real weight here: 40 of the 41 listed centers report virtual options, and all 41 report outpatient care.
Delaware Medicaid runs through managed care organizations, and many older and disabled Delawareans hold both Medicare and Medicaid, which changes how claims coordinate and which programs will take you. Medication-assisted treatment is reported by 26 of the 41 listed centers and 30 report treating opioids, so if MAT is part of your plan, ask early whether prescribing happens on site or through a partner clinic.
Coverage depends on your specific plan, and no directory can confirm it for you. Medicare has different parts covering hospital-based and outpatient services, and Medicare Advantage plans use their own networks — call the number on your card and ask about substance use disorder benefits, then ask the Delaware facility the same question.
Ask the facility directly for its billing or admissions department and give them your Medicare number, plan type and whether you also have Delaware Medicaid. Then call your plan and ask whether that specific provider is in network for the level of care you need, and what prior authorization it requires.
Cost depends entirely on your plan's deductibles, coinsurance and network rules, so no honest figure can be quoted here. Ask the program for its billing codes and ask your plan what your share would be for those codes at that provider.
Detox is a medical service and coverage varies by setting and plan. Not every Delaware program in this directory reports offering withdrawal management, so ask the facility what detox level it provides on site and where it refers when it does not, then confirm the benefit with your plan.
Original Medicare does not use networks the same way an Advantage plan does. If you have Medicare Advantage, the network matters a great deal — check the plan's provider list and confirm with the facility, since directories on both sides can lag behind contract changes.
Many people in Delaware qualify for both. Of the 41 Delaware centers listed here, 40 report accepting Medicaid alongside Medicare, so dual eligibility often widens rather than narrows your options — confirm how the two coordinate with both your plan and the program's billing office.
Every one of the 41 Delaware programs listed reports outpatient treatment, and 40 report virtual or telehealth options, which matters if you live in Sussex or Kent County and cannot make a daily drive north. Ask whether telehealth sessions are billed and covered the same way as in-person visits under your plan.
Delaware programs listed here report serving older adults widely — 39 of the 41 serve people 65 and over. Ask about mobility access, chronic pain, medication interactions and whether the program has experience with late-onset alcohol use, since 27 of the 41 report treating alcohol specifically.
Write down the plan name and member ID from your Medicare card before you start calling, and ask each Delaware program two things: whether they bill your specific plan, and how soon they could start you. If you are in immediate danger or thinking about harming yourself, call or text 988, or dial 911 in an emergency.
9 of the 41 that report it in Delaware — 22%, against 11% across the directory.
6 of the 37 that report it in Delaware — 16%, against 6.3% across the directory.
12 of the 41 that report it in Delaware — 29%, against 13% across the directory.
6 of the 41 that report it in Delaware — 15%, against 1.9% across the directory.
8 of the 41 that report it in Delaware — 20%, against 5.1% across the directory.
Georgetown, Delaware
Milford, Delaware
Wilmington, Delaware
Dover, Delaware
Wilmington, Delaware
Milford, Delaware
Wilmington, Delaware
Wilmington, Delaware
Georgetown, Delaware
Wilmington, Delaware
Milford, Delaware
Georgetown, Delaware
Dover, Delaware
Newark, Delaware
Bear, Delaware
Bear, Delaware
Millsboro, Delaware
Millsboro, Delaware
Claymont, Delaware
Seaford, Delaware
Newark, Delaware
Wilmington, Delaware
Newark, Delaware
Newark, Delaware
and 8 more
Reported by 41 of the 41 listed here.
and 4 more
Reported by 39 of the 41 listed here.
and 4 more
Reported by 37 of the 41 listed here.
and 7 more
Reported by 41 of the 41 listed here.
Based on the 26 that report it; others have not said.
and 6 more
Based on the 35 that report it; others have not said.
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