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Group (employer) Medicare Advantage provider customer service.

Medicare Advantage individual-plan provider customer service; also the MA prior authorization/out-of-network referral phone. Group MA plans: 877-299-1008.

Member/participant benefit support; current source does not specify a time zone.

CMS ACO ID A5411. Public reporting / administrative contact from the CMS PY2026 dataset, modified April 16, 2026. This is not a claims, eligibility, enrollment, or urgent clinical line. State tags identify states containing counties where more than 1% of assigned beneficiaries reside; they are not a statewide service-coverage or eligibility guarantee. The ACO reporting website was supplied in the dataset and was not individually reviewed in this batch.

CMS ACO ID A2147. Public reporting / administrative contact from the CMS PY2026 dataset, modified April 16, 2026. This is not a claims, eligibility, enrollment, or urgent clinical line. State tags identify states containing counties where more than 1% of assigned beneficiaries reside; they are not a statewide service-coverage or eligibility guarantee. The ACO reporting website was supplied in the dataset and was not individually reviewed in this batch.

The current official prior-authorization code-search disclaimer directs providers here to verify eligibility, benefits and whether authorization is required for Health Choice Utah members. Medicaid scope; no Medicare line is inferred. Authorization requirements do not establish coverage or reimbursement.

CMS ACO ID A2342. Public reporting / administrative contact from the CMS PY2026 dataset, modified April 16, 2026. This is not a claims, eligibility, enrollment, or urgent clinical line. State tags identify states containing counties where more than 1% of assigned beneficiaries reside; they are not a statewide service-coverage or eligibility guarantee. The ACO reporting website was supplied in the dataset and was not individually reviewed in this batch.

2026 Health Care Professional’s Guide to Disease Reporting, printed page 22. The directory recommends local health department consultation for communicable disease prevention and control. County office locality: Bellaire. Fax is the listed program contact; confirm submission requirements with the department. No street address, email or hours were supplied in the table. Publication version is 2026; sourceCheckedAt is the research date.

2026 Health Care Professional’s Guide to Disease Reporting, printed page 22. The directory recommends local health department consultation for communicable disease prevention and control. County office locality: Charlevoix. Fax is the listed program contact; confirm submission requirements with the department. No street address, email or hours were supplied in the table. Publication version is 2026; sourceCheckedAt is the research date.

2026 Health Care Professional’s Guide to Disease Reporting, printed page 22. The directory recommends local health department consultation for communicable disease prevention and control. County office locality: Petoskey. Fax is the listed program contact; confirm submission requirements with the department. No street address, email or hours were supplied in the table. Publication version is 2026; sourceCheckedAt is the research date.

2026 Health Care Professional’s Guide to Disease Reporting, printed page 23. The directory recommends local health department consultation for communicable disease prevention and control. County office locality: Gaylord. Fax is the listed program contact; confirm submission requirements with the department. No street address, email or hours were supplied in the table. Publication version is 2026; sourceCheckedAt is the research date.

Support for the Care and Case Management system used by case management agencies and providers; 8:00 a.m.-5:00 p.m. MT, M-F. The page prints the CCM Support Center phone run together with its hours (1-888-235-6944 followed by 8:00 a.m.); confirm the number before relying on it.

Email Acentra about a PAR concern or issue; Atrezzo portal/training registration goes to coproviderregistration@acentra.com. ColoradoPAR phone/fax are on the separate ColoradoPAR line.

EVV support for Health First Colorado home and community-based service providers.

Managed care provider relations contact listed by HCPF for Denver Health Medicaid Choice (local 303-602-2116). Listed on the state agency page.

Health First Colorado (Medicaid) fiscal agent. Claims questions go to the Provider Services Call Center 1-833-468-0362 (already listed).

Member eligibility and benefits questions (State Relay 711). For members, not provider claims.

Email COFFSTeam@MedImpact.com.

HCPF lists the Provider Services Call Center (OptumInsight) for member eligibility, claims submission and billing questions, provider enrollment assistance and portal support. The Provider Web Portal is the self-service alternative.

Fee-for-service pharmacy paper claims; MedImpact pharmacy call center phone/fax are on the separate MedImpact line.

Health First Colorado provider enrollment assistance and Provider Web Portal technical support via the Provider Services Call Center.

hcpf.colorado.gov blocked automated fetch (403); number from search result stating Optum replaced Gainwell as call center.

Regional Accountable Entity listed by HCPF (administered by RMHP/UHC); 710 11th Ave Suite L75, Greeley CO 80631. Listed on the state agency page, not NHP's own site.

RAE contact listed by HCPF (local 303-256-1717 / 719-598-1540). Listed on the state agency page, not CCHA's own site.

CMS ACO ID A5451. Public reporting / administrative contact from the CMS PY2026 dataset, modified April 16, 2026. This is not a claims, eligibility, enrollment, or urgent clinical line. State tags identify states containing counties where more than 1% of assigned beneficiaries reside; they are not a statewide service-coverage or eligibility guarantee. The ACO reporting website was supplied in the dataset and was not individually reviewed in this batch.

CMS ACO ID A5756. Public reporting / administrative contact from the CMS PY2026 dataset, modified April 16, 2026. This is not a claims, eligibility, enrollment, or urgent clinical line. State tags identify states containing counties where more than 1% of assigned beneficiaries reside; they are not a statewide service-coverage or eligibility guarantee. The ACO reporting website was supplied in the dataset and was not individually reviewed in this batch.

CMS ACO ID A5148. Public reporting / administrative contact from the CMS PY2026 dataset, modified April 16, 2026. This is not a claims, eligibility, enrollment, or urgent clinical line. State tags identify states containing counties where more than 1% of assigned beneficiaries reside; they are not a statewide service-coverage or eligibility guarantee. The ACO reporting website was supplied in the dataset and was not individually reviewed in this batch.

Behavioral health authorization requests per the Health Net commercial and Medicare authorization forms.

Behavioral health provider disputes for lines other than Medicare and Marketplace (Medicare BH uses P.O. Box 9030 Farmington; Marketplace BH uses P.O. Box 9040).

Paper claims for Health Net California commercial members (also Salud con Health Net). Not for appeals/disputes.

Provider claim appeals and disputes for commercial lines.

Paper claims for Health Net Medi-Cal members (payer ID 95567 electronically). Older materials cite other addresses; this is the current provider claims page. Not for appeals.

Provider claim appeals and disputes for Health Net Medi-Cal.

Paper claims for Health Net / Wellcare By Health Net Medicare Advantage members.

EDI connection, enrollment and transaction issues for Health Net California. Include the health plan name and a description of the issue. Payer ID 95567 (Ability/MDOnline) and 68069 (Availity) per the page.

Health Net California commercial authorization requests.

Transplant requests for Health Net California commercial members.

MedPharm faxes: IFP 844-235-5094, Medi-Cal 833-953-3436, commercial 844-235-5095, Ambetter and Medicare 800-314-6223; Medicare retail fax 866-226-1093.

Health Net California Medi-Cal inpatient and outpatient authorization forms both direct completed forms to this fax. Standard outpatient determination within 5 business days of complete information.

Transplant requests for Health Net Medi-Cal members.

Health Net California Medicare inpatient and standard/expedited outpatient authorization requests.

Transplant requests for Health Net California Medicare members.