Skip to content
Payerworks
Talk to us

Payer directory

Payers starting with O

Each payer and plan program the directory holds under this letter: what it is, where it serves, and any payer ID it publishes, with the page it came from.

Payers and plan programs from public federal files; not a list of payers Payerworks can send to; payer IDs only where the payer publishes one.

No published payer ID: No payer ID published by the payer that Payerworks has read.

48 names under O, of 4,126 in the directory, read 10/19/2026.

  • Oakland County CMH Authority

    Not connected

    A Medicaid behavioral health plan

    Serves
    MI
    Payer ID
    No published payer ID

  • Oakland County CMH Authority (MI Medicaid)

    Not connected

    A Medicaid behavioral health plan

    Part of
    Oakland County CMH Authority
    Serves
    MI
    Payer ID
    No published payer ID

  • OH CHS SNP Inc.

    Not connected

    A Medicare Advantage organization or contract

    Name as filed
    OH CHS SNP INC.
    Part of
    SNP Holdings, LLC
    Serves
    IN, MD, OH
    Payer ID
    No published payer ID

  • Ohana Health Plan QUEST Integration

    Not connected

    A Medicaid managed care plan

    Part of
    Centene Corporation
    Serves
    HI
    Payer ID
    No published payer ID

  • Ohana Health Plan QUEST Integration (HI Medicaid)

    Not connected

    A Medicaid managed care plan

    Part of
    Ohana Health Plan QUEST Integration
    Serves
    HI
    Payer ID
    No published payer ID

  • Oklahoma Complete Health

    Not connected

    A Medicaid managed care plan

    Serves
    OK
    Payer ID
    No published payer ID

  • Oklahoma Complete Health (OK Medicaid)

    Not connected

    A Medicaid managed care plan

    Part of
    Oklahoma Complete Health
    Serves
    OK
    Payer ID
    No published payer ID

  • Oklahoma Superior Select, Inc.

    Not connected

    A Medicare Advantage organization or contract

    Name as filed
    OKLAHOMA SUPERIOR SELECT, INC.
    Part of
    Mitchell Family Office
    Serves
    OK
    Payer ID
    No published payer ID

  • On Lok Lifeways/Alameda

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Lifeways
    Serves
    CA
    Payer ID
    No published payer ID

  • On Lok Lifeways/Alameda (CA Medicaid)

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Lifeways/Alameda
    Serves
    CA
    Payer ID
    No published payer ID

  • On Lok Lifeways/San Francisco

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Lifeways
    Serves
    CA
    Payer ID
    No published payer ID

  • On Lok Lifeways/San Francisco (CA Medicaid)

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Lifeways/San Francisco
    Serves
    CA
    Payer ID
    No published payer ID

  • On Lok Lifeways/Santa Clara

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Lifeways
    Serves
    CA
    Payer ID
    No published payer ID

  • On Lok Lifeways/Santa Clara (CA Medicaid)

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Lifeways/Santa Clara
    Serves
    CA
    Payer ID
    No published payer ID

  • On Lok PACE

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    On Lok Senior Health Services
    Serves
    Not stated (the legal entity is in CA)
    Payer ID
    No published payer ID

  • On Lok Senior Health Services

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Name as filed
    ON LOK SENIOR HEALTH SERVICES
    Part of
    On Lok, Inc.
    Serves
    Not stated (the legal entity is in CA)
    Payer ID
    No published payer ID

  • One Senior Care Kentucky, LLC

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Name as filed
    ONE SENIOR CARE KENTUCKY, LLC
    Part of
    One Senior Care, Inc.
    Serves
    Not stated (the legal entity is in PA)
    Payer ID
    No published payer ID

  • One Senior Care Ohio, LLC

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Name as filed
    ONE SENIOR CARE OHIO, LLC
    Part of
    One Senior Care, Inc.
    Serves
    Not stated (the legal entity is in PA)
    Payer ID
    No published payer ID

  • Optimum Choice Inc.

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    DC, DE, MD, VA, WV
    Payer ID
    No published payer ID

  • Optimum Health Care, Inc.

    Not connected

    A Medicaid limited-benefit plan

    Part of
    Anthem/Elevance
    Serves
    FL
    Payer ID
    No published payer ID

  • Optimum Health Care, Inc. (FL Medicaid)

    Not connected

    A Medicaid limited-benefit plan

    Part of
    Optimum Health Care, Inc.
    Serves
    FL
    Payer ID
    No published payer ID

  • Optimum HealthCare, Inc.

    Not connected

    A Medicare Advantage organization or contract

    Part of
    Optimum Healthcare, Inc.
    Serves
    FL
    Payer ID
    No published payer ID

  • Optimum Healthcare, Inc.

    Not connected

    A Medicare Advantage organization or contract

    Name as filed
    OPTIMUM HEALTHCARE, INC.
    Part of
    Elevance Health, Inc.
    Serves
    FL
    Payer ID
    No published payer ID

  • Optum Insurance of Ohio, Inc.

    Not connected

    A Medicare prescription drug plan

    Name as filed
    OPTUM INSURANCE OF OHIO, INC.
    Part of
    UnitedHealth Group, Inc.
    Serves
    Not stated
    Employer groups only
    AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, GU, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MP, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, PR, RI, SC, SD, TN, TX, UT, VA, VI, VT, WA, WI, WV, WY
    Payer ID
    No published payer ID

  • Optum Insurance of Ohio, Inc.

    Not connected

    A Medicare prescription drug plan

    Part of
    Optum Insurance of Ohio, Inc.
    Serves
    Not stated
    Employer groups only
    AK, AL, AR, AZ, CA, CO, CT, DC, DE, FL, GA, GU, HI, IA, ID, IL, IN, KS, KY, LA, MA, MD, ME, MI, MN, MO, MP, MS, MT, NC, ND, NE, NH, NJ, NM, NV, NY, OH, OK, OR, PA, PR, RI, SC, SD, TN, TX, UT, VA, VI, VT, WA, WI, WV, WY
    Payer ID
    No published payer ID

  • OptumRx

    Not connected

    A Medicaid managed care plan

    Part of
    OptumRx Holdings, LLC
    Serves
    TN
    Payer ID
    No published payer ID

  • OptumRx (TN Medicaid)

    Not connected

    A Medicaid managed care plan

    Part of
    OptumRx
    Serves
    TN
    Payer ID
    No published payer ID

  • Orange County Health Authority

    Not connected

    A Medicare Advantage organization or contract; A Program of All-Inclusive Care for the Elderly

    Name as filed
    ORANGE COUNTY HEALTH AUTHORITY
    Serves
    CA
    Payer ID
    No published payer ID

  • Orangeburg Senior Helping Center

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    The Methodist Oaks
    Serves
    SC
    Payer ID
    No published payer ID

  • Orangeburg Senior Helping Center (SC Medicaid)

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    Orangeburg Senior Helping Center
    Serves
    SC
    Payer ID
    No published payer ID

  • Orangeburg Senior Helping Center, LLC

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Serves
    Not stated (the legal entity is in SC)
    Payer ID
    No published payer ID

  • Orangeburg Senior Helping Center: A PACE Healthcare Program

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    Orangeburg Senior Helping Center, LLC
    Serves
    Not stated (the legal entity is in SC)
    Payer ID
    No published payer ID

  • Oregon Dental Service DBA Delta Dental Plan of Oregon

    Not connected

    An insurer named on employer plans' Form 5500 filings for dental coverage; An insurer named on employer health plans' Form 5500 filings for health coverage

    Name as filed
    OREGON DENTAL SERVICE DBA DELTA DENTAL PLAN OF OREGON
    Serves
    Not stated
    Payer ID
    No published payer ID

  • Oscar Buckeye State Insurance Corp.

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    OH
    Payer ID
    No published payer ID

  • Oscar Garden State Insurance Corporation

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    NJ
    Payer ID
    No published payer ID

  • Oscar Health Plan of Georgia

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    GA
    Payer ID
    No published payer ID

  • Oscar Health Plan of Pennsylvania, Inc.

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    PA
    Payer ID
    No published payer ID

  • Oscar Health Plan, Inc.

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    AZ, IL
    Payer ID
    No published payer ID

  • Oscar Insurance Company

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    AR, CO, IA, KS, MI, MO, NE, OK, TN, TX, VA
    Payer ID
    No published payer ID

  • Oscar Insurance Company of Florida

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    FL
    Payer ID
    No published payer ID

  • Oscar Insurance Corporation

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    NY
    Payer ID
    No published payer ID

  • OSF Healthcare PACE

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Part of
    Osf Healthcare System
    Serves
    Not stated (the legal entity is in IL)
    Payer ID
    No published payer ID

  • Osf Healthcare System

    Not connected

    A Program of All-Inclusive Care for the Elderly

    Name as filed
    OSF HEALTHCARE SYSTEM
    Serves
    Not stated (the legal entity is in IL)
    Payer ID
    No published payer ID

  • Oxford Health Insurance, Inc.

    Not connected

    A health insurer filing the federal medical loss ratio report; An insurer named on employer plans' Form 5500 filings for dental coverage; An insurer named on employer health plans' Form 5500 filings for health coverage

    Serves
    CT, NJ, NY
    Payer ID
    No published payer ID

  • Oxford Health Plans (CT), Inc

    Not connected

    A health insurer filing the federal medical loss ratio report; An insurer named on employer health plans' Form 5500 filings for health coverage

    Serves
    CT
    Payer ID
    No published payer ID

  • Oxford Health Plans (NJ), Inc

    Not connected

    A health insurer filing the federal medical loss ratio report

    Serves
    NJ
    Payer ID
    No published payer ID

  • Oxford Health Plans (NJ), Inc.

    Not connected

    A Medicare Advantage organization or contract

    Name as filed
    OXFORD HEALTH PLANS (NJ), INC.
    Part of
    UnitedHealth Group, Inc.
    Serves
    NJ, PA, RI
    Payer ID
    No published payer ID

  • Oxford Health Plans (NY), Inc.

    Not connected

    An insurer named on employer health plans' Form 5500 filings for health coverage

    Name as filed
    OXFORD HEALTH PLANS (NY), INC.
    Serves
    Not stated
    Payer ID
    No published payer ID

Talk to us

What happens next

  1. 1

    A person at Payerworks reads what you sent, usually within a business day.

  2. 2

    One reply by email names the next step: our trading partner details, where each of your payers stands, or a key for the API.

  3. 3

    Nothing follows unless you answer. There is no sequence behind this form.

Or write to hello@payerworks.com.

Ask for a payer

Name the payer you need, and what you need from it: a payer ID, a connection, or a row the directory has wrong. A person replies by email, usually within a business day, and there is no follow-up sequence.

Used to reply to you and for nothing else.