| Y2D | Premera Blue Cross/Shared Admin | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
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| Y3E | Premera Blue Cross | AK | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
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| Y3G | Premera Blue Cross | AK | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
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| Y3K | Premera Blue Cross | AK | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
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| YDC | Blue Cross and Blue Shield of Montana | MT | PPO | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDD | Blue Cross and Blue Shield of Montana | MT | PPO | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDE | Blue Cross and Blue Shield of Montana | MT | | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDF | Blue Cross and Blue Shield of Montana | MT | PPO | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDG | Blue Cross and Blue Shield of Montana | MT | PPO | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDK | Blue Cross and Blue Shield of Montana | MT | PPO | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDM | Blue Cross and Blue Shield of Montana | MT | | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDN | Blue Cross and Blue Shield of Montana | MT | POS | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDR | Blue Cross and Blue Shield of Montana | MT | POS | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDS | Blue Cross and Blue Shield of Montana | MT | PPO | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDU | Blue Cross and Blue Shield of Montana | MT | Medicare Supplement | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDV | Blue Cross and Blue Shield of Montana | MT | Medicare Advantage | | 2025 Three-Character Prefix Updated March 2025 (Blue Cross and Blue Shield of Montana) |
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| YDW | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YEQ | Blue Cross and Blue Shield of North Carolina | NC | HMO | | Update: Blue Care HMO Health Plan for IU65 (Individual Under 65) Market | Blue Cross NC |
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| YEZ | Blue Cross and Blue Shield of North Carolina | NC | HMO | | Update: Blue Care HMO Health Plan for IU65 (Individual Under 65) Market | Blue Cross NC |
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| YFQ | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YGA | Anthem Blue Cross and Blue Shield (New Hampshire) | NH | | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
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| YGC | Anthem Blue Cross and Blue Shield (New Hampshire) | NH | | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
|---|
| YGF | Anthem Blue Cross and Blue Shield (New Hampshire) | NH | | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
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| YGG | Anthem Blue Cross and Blue Shield (New Hampshire) | NH | | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
|---|
| YGK | Anthem Blue Cross and Blue Shield (New Hampshire) | NH | | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
|---|
| YGM | Anthem Blue Cross and Blue Shield (New Hampshire) | NH | | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
|---|
| YGT | Independence Blue Cross | PA | HMO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
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| YHC | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
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| YIF | Blue Cross and Blue Shield of New Mexico | NM | Medicaid | | Medicaid - Provider Reference Manual, Blue Cross and Blue Shield of New Mexico (487875.1125) |
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| YIJ | Blue Cross and Blue Shield of New Mexico | NM | Medicare Advantage | | Medicare Advantage - Provider Reference Manual, Blue Cross and Blue Shield of New Mexico (487876.1125) |
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| YLF | Empire BlueCross BlueShield | NY | HMO | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
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| YLL | Empire BlueCross BlueShield | NY | HMO | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
|---|
| YLQ | Empire BlueCross BlueShield | NY | HMO | | Anthem Blue Cross and Blue Shield (Anthem Health Plans of Maine, Inc.) provider telephone and fax directory (ME_CONTACT_00002) |
|---|
| YLS | Anthem Blue Cross and Blue Shield (New York) | NY | | | Quick contact guide (QCG) New York, Anthem Blue Cross and Blue Shield |
|---|
| YME | Blue Cross Blue Shield of North Dakota | ND | Medicaid | | Medicaid Expansion Provider Manual - Blue Cross Blue Shield of North Dakota |
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| YMJ | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YMK | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YML | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YMX | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YOR | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YPE | Independence Blue Cross | PA | POS | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YPG | Independence Blue Cross | PA | HMO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YPW | Blue Cross and Blue Shield of North Carolina | NC | Medicare Advantage | | Blue Cross NC Medicare Advantage and Medicare Supplement Claims Transition to Facets Effective January 2024 (Blue Cross NC provider news) |
|---|
| YQB | Independence Blue Cross | PA | PPO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YQG | Independence Blue Cross | PA | POS | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YQJ | Independence Blue Cross | PA | HMO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YRH | Anthem Blue Cross and Blue Shield (Indiana) | IN | Medicaid | | Anthem Blue Cross and Blue Shield: Claims update and dispute process - 2023 IHCP Works seminar (Serving Hoosier Healthwise, Healthy Indiana Plan and Hoosier Care Connect), hosted on in.gov |
|---|
| YRK | Anthem Blue Cross and Blue Shield (Indiana) | IN | Medicaid | | Anthem Blue Cross and Blue Shield: Claims update and dispute process - 2023 IHCP Works seminar (Serving Hoosier Healthwise, Healthy Indiana Plan and Hoosier Care Connect), hosted on in.gov |
|---|
| YSJ | Premera Blue Cross/Shared Admin | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YSL | Premera Blue Cross | WA | | | Premera Blue Cross Three Character Prefixes (Premera Blue Cross, form 020469) |
|---|
| YWY | Blue Cross Blue Shield of Wyoming | WY | | | Policies and Procedures: A Manual for In-network Health Care Professionals and Hospitals (Blue Cross Blue Shield of Wyoming), Revised February 1, 2024 |
|---|
| YXF | Independence Blue Cross | PA | PPO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXK | Independence Blue Cross | PA | Medicare Advantage PPO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXN | Blue Cross and Blue Shield of Nebraska | NE | | | Update (provider newsletter) November 2019 - Blue Cross and Blue Shield of Nebraska (article: Armor Health)Source dated before 2022 |
|---|
| YXO | Independence Blue Cross | PA | PPO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXP | Independence Blue Cross | PA | Exchange/Marketplace | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXQ | Independence Blue Cross | PA | Exchange/Marketplace | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXW | Independence Blue Cross | PA | HMO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXX | Independence Blue Cross | PA | EPO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YXY | Independence Blue Cross | PA | EPO | | Payer ID provider number reference, Professional (Independence Blue Cross), Revised April 2025 |
|---|
| YZF | Anthem Blue Cross and Blue Shield (Kentucky) | KY | Exchange/Marketplace Small Group PPO | | Professional provider workshop, Fall 2019 - Administrative Services directory (Anthem Blue Cross and Blue Shield, Kentucky; AKYPEC-2253-19)Source dated before 2022 |
|---|
| YZG | Anthem Blue Cross and Blue Shield (Kentucky) | KY | Exchange/Marketplace Small Group HMO | | Professional provider workshop, Fall 2019 - Administrative Services directory (Anthem Blue Cross and Blue Shield, Kentucky; AKYPEC-2253-19)Source dated before 2022 |
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