Commonwealth Care Alliance Contact Directory
11 contact channels across 3 types (Fax, Mailing Address, Phone) for claims, prior authorization, provider services, and more.
Last verified Aug 25, 2026 from the payer's published directories.
Phone
4 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 866-420-9332 | Claims Status, Prior Authorization, General | All | Provider Services hours as defined in provider manuals (typically weekdays business hours) | Monday–Friday 8:00 a.m.–5:00 p.m. Eastern (some manuals note 8:30 a.m. start on Thursdays) | Primary contact for claims, payment, appeals, eligibility, and general provider inquiries | Prior authorization phone for medical services (Medicare Advantage and other CCA medical benefits, per provider manuals) | Provider Services main line for claims, payment, eligibility, prior auth questions, and general provider support - Claims and billing support line for providers | Medical prior authorization – includes Medicare Advantage; see applicable CCA provider manual for specific services requiring PA | CCA Provider Services | View source |
| 866-270-3877 | Pharmacy | All | N/A | Clinician line to request prior authorization for pharmacy benefit medications requiring PA - Pharmacy prior authorization line – medications under the pharmacy benefit | View source |
| 888-933-2653 | Prior Authorization | All | N/A | Delegated utilization management vendor for medical specialty drugs starting April 1, 2026 - Prior authorization for medical specialty drugs – CCUM/eviCore delegated UM | View source |
| 855-344-0930 | Prior Authorization | All | N/A | Dedicated line for clinicians to initiate prior authorization requests (non-pharmacy medical services) in updated provider manuals - Clinician prior authorization line – SCO/One Care and related plans; see manual for covered services | View source |
Fax
3 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| 855-633-7673 | Prior Authorization | All | N/A | Fax for clinicians to submit prior authorization requests (non-pharmacy medical services) - Clinician prior authorization fax – SCO/One Care and related plans | View source |
| 617-507-0416 | Prior Authorization | All | N/A | Fax for additional documentation for existing service authorization requests - Additional documentation for prior/service authorization requests | View source |
| 855-341-0720 | Prior Authorization, Medical Management | Medicare | N/A | Standardized Prior Authorization Request form and supporting clinical documentation for medical services; also used for medications billed under the medical benefit to Utilization department | Fax for medical benefit drugs administered in office settings to Utilization department - Medical prior authorization fax – health and inpatient/observation admissions and medications processed under the medical benefit (Utilization department) | Medical benefit drugs – Utilization department fax for PA requests | View source |
Mailing Addresses
4 rows
| Contact | Purpose | Line of Business | Hours | Notes | Source |
|---|---|---|---|---|---|
| Commonwealth Care Alliance, Attn: Grievance and Appeals, P.O. Box 1947, Dayton, OH 45401-1947 | Appeals Disputes | All | N/A | Provider appeals submission address shown in the provider portal user guide for dental appeals/disputes. - Dental appeals or disputes | View source |
| Commonwealth Care Alliance, P.O. Box 548, Greenland, NH 03840-0548 | Claims Submission | Medicaid | N/A | SCO/One Care paper claims address. The same page also states provider appeals must be mailed here for SCO/One Care. - Senior Care Options / One Care paper claims | View source |
| Commonwealth Care Alliance – MA, P.O. Box 3012, Milwaukee, WI 53201-3012 | Claims Submission | Medicare | N/A | MA paper claims address. The same page also states provider appeals must be mailed here for MA. - Medicare Advantage / MA paper claims | View source |
| Commonwealth Care Alliance – Claims, P.O. Box 3085, Scranton, PA 18505 | Claims Submission | All | N/A | Paper claims mailing address in the 2026 provider manual. | Paper claims mailing address for claims submitted on or after April 1, 2023. - Paper claims | All CCA plans; paper claims | 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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