CareSource Contact Directory
22 contact channels across 4 types (Email, Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Aug 25, 2026 from the payer's published directories.
Phone
7 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 833-230-2100 | Claims Status | Medicaid | N/A | Provider Claims line for disputes questions – Arkansas CareSource PASSE dispute form | View source |
| 855-202-1058 | Claims Status, Prior Authorization | Medicaid, Commercial | N/A | Medical Management department prior authorization line. - Claims department phone – Georgia P4HB | health care services | View source |
| 800-488-0134 | Claims Status, Prior Authorization, Provider Services | Medicaid, Medicare | Monday through Friday, 8 a.m. to 6 p.m. ET | For claim questions not addressed on the website – Ohio MyCare | Medical prior authorization line in Ohio Medicaid FAQ. - Claims department – Ohio MyCare | health care services | Provider Services – Ohio MyCare | View source |
| 855-852-7005 | Pharmacy | Commercial | N/A | Pharmacy prior authorization contact in Kentucky provider manual. - prior authorization requests | View source |
| 833-230-2112 | Pharmacy, Behavioral Health | Medicaid | N/A | Pharmacy prior authorization line in Nevada Medicaid provider manual; fax numbers below include drugs under medical benefit. | Behavioral health prior authorization phone in Nevada Medicaid provider manual. - prescription drug / prior authorization | utilization management | View source |
| 833-491-0344 | Prior Authorization | Commercial | The Call Center is open 24 hours per day and seven days per week. | Medical Management / prior authorization phone; source text appears in the CareSource Provider Manual snippet. - provider-administered drugs billable to CareSource / medical management | View source |
| 833-230-2102 | Provider Services | Medicaid | N/A | HAP CareSource Provider Services – Michigan Medicaid | View source |
Fax
6 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 937-531-2398 | Appeals Disputes | Medicare | N/A | Provider claim disputes fax – Ohio MyCare | View source |
| CareSource, Attn: Nevada Behavioral Health Utilization Management Department, P.O. Box 1307, Dayton, OH 45401-1307 | Behavioral Health | Medicaid | N/A | Nevada Behavioral Health Utilization Management mailing address in Nevada Medicaid provider manual. - utilization management | View source |
| 937-224-3388 | Claims Submission, Claims Status | All | N/A | Paper claim submission option – Ohio MyCare | For claim research requests - Paper claims – Ohio MyCare | Claim research fax | View source |
| 877-716-9480 | Prior Authorization | Commercial | N/A | Medical Management department fax for prior authorization / medical management. - health care services | View source |
| 888-752-0012 | Prior Authorization | Medicaid | N/A | Medical prior authorization fax in Ohio Medicaid FAQ. - health care services | View source |
| 888-399-0271 | Prior Authorization, Pharmacy | Commercial, Medicaid | N/A | Prior authorization requests for provider-administered drugs billable to CareSource. | Fax for drugs under medical benefit in Nevada Medicaid provider manual. - provider-administered drugs billable to CareSource / medical management | prescription drug / prior authorization | View source |
Mailing Addresses
8 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| CareSource, Attn: Provider Disputes, P.O. Box 1947, Dayton, OH 45401-1947 | Appeals Disputes | Medicare | N/A | Provider claim payment disputes mailing address – Ohio MyCare | Provider appeals mailing address – Ohio MyCare | View source |
| CareSource, Grievance & Appeals Department, P.O. Box 2008, Dayton, OH 45401 | Appeals Disputes | Medicaid | N/A | Claim appeal disputes mailing address – Arkansas CareSource PASSE form | View source |
| CareSource, Attn: Claims Department, P.O. Box 8730, Dayton, OH 45401-8730 | Claims Submission | Medicaid | N/A | Paper claims – Ohio MyCare | View source |
| CareSource, Attn: Claims Department, P.O. Box 803, Dayton, OH 45401 | Claims Submission | Medicaid | N/A | COB claims with EOB - Coordination of Benefits claims – Georgia Medicaid | View source |
| CareSource, Attn: Claims Department, P.O. Box 36, Dayton, OH 45420-0036 | Claims Submission | Medicaid | N/A | Paper claims – Nevada Medicaid | View source |
| CareSource Claims Dept., Attn: Claims Department, P.O. Box 1307, Dayton, OH 45401-1307 | Claims Submission, Prior Authorization | All | N/A | Medical Management Department mailing address in Ohio Medicaid FAQ. - Paper claims – generic CareSource claims submission document | health care services | View source |
| CareSource, Attn: Medical Management Dept., P.O. Box 1598, Dayton, OH 45401-1598 | Prior Authorization | Commercial | N/A | Medical Management Dept. mailing address for prior authorization / medical management. - health care services | View source |
| CareSource, Attn: Provider Database Maintenance, P.O. Box 23037, Lansing, MI 48909-3037 | Provider Services | All | N/A | Provider data maintenance, not for claims - Provider Database Maintenance mailing address | View source |
1 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| mmauth@caresource.com | Prior Authorization | Medicaid | N/A | Medical prior authorization email in Ohio Medicaid FAQ. - health care services | View source |
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Sources
Where this data comes from
Every contact in this directory comes from documents the payers publish themselves, such as provider manuals, quick reference guides, and contact pages, and each payer page shows when its contacts were last verified. You can see all of our data sources and how we process them.
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