BCBS Prefix Lookup
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CTO

BCBS Prefix CTO

Blue Shield of California

California • HMO

Billing essentials

Provider phone
(800) 468-9935
Electronic payer ID
94036
Claims mailing address
P.O. Box 272630, Chico, CA 95927-2630
Timely filing limit
365 daysCompare all plans
Prior authorization phone
(800) 541-6652
Provider website
https://www.blueshieldca.com/en/provider

Coverage under prefix CTO

HMO

This is a Health Maintenance Organization (HMO) prefix. HMO plans have stricter routing requirements than PPO plans. Members select a PCP who manages their care and issues referrals. Claims for specialist services should include the referral number. Out-of-network claims will typically be denied unless emergency criteria are met.

About Blue Shield of California

Nonprofit health plan providing 6 million Californians with affordable healthcare coverage including HMO, PPO, dental, and vision plans for individuals, families, and employers.

Other prefixes for Blue Shield of California

AAH
PPO, HMO, EPO, Medicare Advantage
AAO
PPO, HMO, EPO, Medicare Advantage
ACC
PPO, HMO, EPO, Medicare
ACU
PPO, HMO, EPO, Medicare
AFE
PPO, HMO, EPO, Medicare
AGT
PPO, HMO, EPO, Medicare Advantage
AHF
PPO, HMO, EPO, Medicare Advantage
AJC
PPO, HMO, EPO, Medicare Advantage
AME
PPO, HMO, EPO, Medicare Advantage
AMP
PPO, HMO, EPO, Medicare Advantage
ANL
PPO, HMO, EPO, Medicare Advantage
ANM
PPO, HMO, EPO, Medicare Advantage
ANS
PPO, HMO, EPO, Medicare Advantage
APX
PPO, HMO, EPO, Medicare Advantage
AQS
ARF
ARM
ATQ
HMO, PPO, Medicare Advantage, EPO
AUS
HMO, PPO, Medicare Advantage, EPO
AVK
HMO, PPO, Medicare Advantage, EPO
AVQ
HMO, PPO, Medicare Advantage, EPO
AXO
HMO, PPO, Medicare Advantage, EPO
AYB
HMO, PPO, Medicare Advantage, EPO
AYY
HMO, PPO, Medicare Advantage, EPO
AZO
HMO, PPO, Medicare Advantage, Medicaid
AZS
HMO, PPO, Medicare Advantage, Medicaid
AZT
HMO, PPO, Medicare Advantage, Medicaid
AZY
HMO, PPO, Medicare Advantage, Medicaid
BCV
HMO, HDHP, Medicare Advantage
BEQ
HMO, PPO, Medicaid Managed Care

Look up another BCBS prefix · All prefixes for Blue Shield of California

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