Office Ally may, at its sole option, add or remove Payers to the Services at any time. Office ally will use commercially reasonable efforts to provide Customer with written notice of such removals.
NOTICE: The Payer List page is currently unavailable due to scheduled maintanance
Payer Name
Payer ID
Transaction
Available
Non Par
Enrollment
Secondary
attachment
WC / Auto
NOTES
Mashantucket Pequot Tribal Nation
Payer ID
37121
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Mashantucket Pequot Tribal Nation 37121 837I
Masonry Industry Trust
Payer ID
60230
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Masonry Industry Trust 60230 837P
Masonry Industry Trust
Payer ID
60230
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Masonry Industry Trust 60230 837I
Masonry Welfare Trust Fund
Payer ID
60230
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Masonry Welfare Trust Fund 60230 837P
Masonry Welfare Trust Fund
Payer ID
60230
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Masonry Welfare Trust Fund 60230 837I
Massachusetts Bay Insurance Company - CORVEL
Payer ID
J1689
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
Work Comp & Auto
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Workers Comp and Auto. At this time, only Professional (HCFA) claims are accepted.
Payer returns ERAs automatically once electronic claim submission begins. No enrollment needed.
Massachusetts Bay Insurance Company - CORVEL J1689 837P
Massachusetts Behavioral Health
Payer ID
BHOMA
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Massachusetts Behavioral Health BHOMA 837P
Massachusetts Behavioral Health
Payer ID
BHOMA
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Massachusetts Behavioral Health BHOMA 837I
Mass Advantage
Payer ID
86220
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Mass Advantage 86220 837P
Mass Advantage
Payer ID
86220
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Mass Advantage 86220 837I
Mass General Brigham Health Plan
Payer ID
04293
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Formerly known as Neighborhood Health Plan/Allways Health Plan
Mass General Brigham Health Plan 04293 837P
Mass General Brigham Health Plan
Payer ID
04293
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Formerly known as Neighborhood Health Plan/Allways Health Plan
Mass General Brigham Health Plan 04293 837I
Mathis ISD
Payer ID
J3871
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
Work Comp
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Workers Comp Only. At this time, only Professional (HCFA) claims are accepted.
Payer returns ERAs automatically once electronic claim submission begins. No enrollment needed.
Mathis ISD J3871 837P
Maverick Medical Group
Payer ID
PROSP
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Maverick Medical Group PROSP 837P
Maverick Medical Group
Payer ID
PROSP
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Maverick Medical Group PROSP 837I
Mayo Clinic Recovery & Claims Services
Payer ID
41193
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
Work Comp
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Workers Comp Only. At this time, only Professional (HCFA) claims are accepted.
Payer returns ERAs automatically once electronic claim submission begins. No enrollment needed.
Workers Comp Only. At this time, only Professional (HCFA) claims are accepted.
Payer returns ERAs automatically once electronic claim submission begins. No enrollment needed.
McMullen County ISD J3946 837P
MD Anderson Physician Network
Payer ID
MDAPN
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MD Anderson Physician Network MDAPN 837P
MD Anderson Physician Network
Payer ID
MDAPN
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MD Anderson Physician Network MDAPN 837I
MD Partners IPA
Payer ID
MLMDP
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MD Partners IPA MLMDP 837P
MD Partners IPA
Payer ID
MLMDP
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MD Partners IPA MLMDP 837I
MD Senior Care Medical Group
Payer ID
MSCMG
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MD Senior Care Medical Group MSCMG 837P
MD Senior Care Medical Group
Payer ID
MSCMG
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MD Senior Care Medical Group MSCMG 837I
MDwise Health Indiana Plan (DOS on or After 1/1/2019)
Payer ID
3135M
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MDwise Health Indiana Plan (DOS on or After 1/1/2019) 3135M 837P
MDwise Health Indiana Plan (DOS on or After 1/1/2019)
Payer ID
3135M
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MDwise Health Indiana Plan (DOS on or After 1/1/2019) 3135M 837I
MDwise Hoosier Healthwise (DOS on or after 1/1/2019))
Payer ID
3519M
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MDwise Hoosier Healthwise (DOS on or after 1/1/2019)) 3519M 837P
MDwise Hoosier Healthwise (DOS on or after 1/1/2019))
Payer ID
3519M
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MDwise Hoosier Healthwise (DOS on or after 1/1/2019)) 3519M 837I
MDX Hawaii
Payer ID
CAPMN
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Same as payer ID MDXHI
MDX Hawaii CAPMN 837P
MDX Hawaii
Payer ID
CAPMN
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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MDX Hawaii CAPMN 837I
Meadowbrook Insurance Company
Payer ID
J1478
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
Work Comp & Auto
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Workers Comp and Auto. At this time, only Professional (HCFA) claims are accepted.
Medica2 payer is effective 1/1/2014. All claims prior to 1/1/14 will be rejected.
Medica2 12422 837P
Medica2
Payer ID
12422
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica2 payer is effective 1/1/2014. All claims prior to 1/1/14 will be rejected.
Medica2 12422 837I
Medica Government Programs
Payer ID
MEDM1
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica Government Programs MEDM1 837P
Medica Government Programs
Payer ID
MEDM1
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica Government Programs MEDM1 837I
Medica HealthCare Plan of Florida
Payer ID
78857
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica HealthCare Plan of Florida 78857 837P
Medica HealthCare Plan of Florida
Payer ID
78857
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica HealthCare Plan of Florida 78857 837I
Medica Health Plan Solutions
Payer ID
71890
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica Health Plan Solutions 71890 837P
Medica Health Plan Solutions
Payer ID
71890
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medica Health Plan Solutions 71890 837I
Medicaid Alabama
Payer ID
MCDAL
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Alabama MCDAL 837P
Medicaid Alabama
Payer ID
MCDAL
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Alabama MCDAL 837I
Medicaid Alaska
Payer ID
MCDAK
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Alaska MCDAK 837P
Medicaid Arizona
Payer ID
MCDAZ
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Arizona MCDAZ 837P
Medicaid Arizona
Payer ID
MCDAZ
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Arizona MCDAZ 837I
Medicaid Arkansas
Payer ID
MCDAR
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Arkansas MCDAR 837P
Medicaid Arkansas
Payer ID
MCDAR
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Arkansas MCDAR 837I
Medicaid Colorado
Payer ID
77016
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Colorado 77016 837P
Medicaid Colorado
Payer ID
77016
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Colorado 77016 837I
Medicaid Connecticut
Payer ID
MCDCT
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Connecticut MCDCT 837P
Medicaid Delaware
Payer ID
MCDDE
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Delaware MCDDE 837P
Medicaid Delaware
Payer ID
MCDDE
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Medicaid Delaware MCDDE 837I
Medicaid District of Columbia
Payer ID
77033
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Connectivity for Medicaid District of Columbia is expected to be restored on March 17, 2026. Complete your Claims Enrollment to avoid claim rejections before March 17, 2026.
Medicaid District of Columbia 77033 837P
Medicaid Florida
Payer ID
77027
Payer ID
Transaction
All
Professional Claims
837P
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Office Ally is not accepting New Enrollments at this time for Medicaid Florida.
Medicaid Florida 77027 837P
Medicaid Florida
Payer ID
77027
Payer ID
Transaction
All
Institutional Claims
837I
Support
Available
Non Par
Non-participating payer
Enrollment
Enrollment required
Secondary
Secondary
Attachment
Available
WC / Auto
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Office Ally is not accepting New Enrollments at this time for Medicaid Florida.
