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Listing of Commissioners 

Mary K. Ahearn, Chief Executive Officer

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Our hours of business: Monday through Friday, 8:00 a.m. to 4:30 p.m., except legal holidays

10 East Baltimore St.
Baltimore, MD  21202
(410) 864-5100

 CompHub instructional videos, QuickStart guides are found at these links
Knowledge Center          More CompHub Materials          Training Video Channel

ATTENTION: As of August 2023, the process for Exclusion Form filing for LLC owners, partners and officers is ONLY through CompHub. After November 30, 2023, the Commission is no longer accepting Exclusion Forms and Sole Proprietor Forms in paper. We have no way to process the paper forms. Please be aware that any Exclusion Forms filed in paper form after November 30, 2023 will not be processed. The link to complete and file an Exclusion Form can be found here:

Through and including June 2024, Western Maryland hearings will continue to be held at Fairfield Inn & Suites, Concord Meeting Room, 21 N. Wineow Street, Cumberland, MD 21052. Effective July 1, 2024, Western Maryland hearings will be held at the Comfort Inn & Suites LaVale – Cumberland, 1216 National Highway, LaVale, MD 21502

Attention Medical Providers: When processing C51’s, you may now submit multiple calendar years of service in a single submission.

We have made changes to the body part selections when filing a Claim or Claim Amendment in CompHub. Please select this link for a Key to select body parts. Please be as specific as possible; when there are multiple body parts injured, you must select the parts individually. Any questions regarding this topic should be directed to

On November 8, 2023, the Court of Chancery of the State of Delaware ordered the Liquidation and Injunction Order with Bar Date of Arrowood Indemnity Company. Delaware Insurance Commissioner Trinidad Navarro and her successors in office, if any, are the court-appointed Receivers. The Receiver has appointed Eugene T. Reed, Jr. and James J. Black, III as Deputy Receivers to carry out the responsibilities of the Receiver with respect to the liquidation of Arrowood. The ordered stay of 180 days from November 8, 2023 lifts May 6, 2024. Appeals and further proceedings on issues will be stayed until May 6, 2024. See Insolvent Carriers for more.

Attention Attorneys and Proxies: Please do not file a Medical Controversion until the Order NISI has been issued. The Commission will not process a Controversion filed prior the issuance of the Order NISI.

Effective February 5, 2024 copies of Petitions for Judicial Review, Circuit Court Orders and additional Appeal documents are no longer accepted in paper.  Submit these documents via CompHub.  These processes are accessed from the Start New Action Menu > select: Hearings > Appeal Request > Circuit Court Order Submission or Additional Appeal Documents respectively to upload the required documents.

 When uploading a Settlement as a packet,  be sure the documents are in the proper order as follows:  Settlement worksheet * Settlement agreement * Cl. Affidavit * Cl. Consent to pay fees and costs * Receipts for expenses * Doctor bills with CPT codes * Other documents.

The Employer or Carrier will use the EMPLOYER SUBSCRIBER DESIGNATION form to serve as written authorization and request to the Commission for the individual to be assigned for the Employer in CompHub. The Employer or Carrier understands and agrees that this assignment will enable the Employer Subscriber to establish a generic email address to which all mail from the Commission (e-notices, awards, etc.) will be directed and will permit the Employer Subscriber to assign Employer Delegates, enabling access  and filing ability in all of the employer’s Maryland claims.

ATTENTION ATTORNEYS: Requests to Commissioners for accommodations to go first or last on a docket should only include the ability to go first on the Abingdon docket and last on the City docket or first on the Beltsville docket and last on the City docket. Other accommodations will be denied. Thank you for your understanding.

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