Naval Air Station Patuxent River

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Naval Air Station Patuxent River is a U.S. Navy installation in southern Maryland that serves as a major center for naval aviation research, development, test, and evaluation, and supports a large civilian, military, and contractor community.

Patuxent River (St. Mary’s County), Maryland, United States
ndw.cnic.navy.mil/Installations/NAS-Patuxent-River
Owned by United States Navy

About Naval Air Station Patuxent River

Naval Air Station Patuxent River (often called NAS Pax River) is a major U.S. Navy shore installation located at the mouth of the Patuxent River in St. Mary’s County, Maryland. It is home to Naval Air Systems Command (NAVAIR) and the Naval Air Warfare Center Aircraft Division, making it a central hub for research, development, test, and evaluation of manned and unmanned aircraft, avionics, and related naval aviation systems. The base also hosts extensive support activities, including Morale, Welfare and Recreation (MWR) programs, lodging, recreation, retail, and family support services for active duty, dependents, retirees, and civilian employees. ([installations.militaryonesource.mil](https://installations.militaryonesource.mil/in-depth-overview/naval-air-station-patuxent-river?utm_source=openai))

A charge labeled similar to “MMIS Account Patuxent Rivemd” most likely comes from an internal Navy or Department of Defense account associated with NAS Patuxent River, such as maintenance or modification management systems, MWR services, lodging, or other on-base activities. The generic “MMIS Account” text appears to be an internal accounting or management system label (MMIS is used in several government contexts for information systems) rather than a commercial brand name, with the recognizable part of the descriptor being “Patuxent River MD,” pointing to the base. Such charges may be for base access-related fees, recreation programs, retail or dining on base, lodging, or other services provided on the installation to eligible patrons or contracted partners. ([navymwrpaxriver.com](https://www.navymwrpaxriver.com/?utm_source=openai))

If you have questions about a charge that appears as “MMIS Account Patuxent Rivemd,” start by confirming whether you (or a family member on your card) recently visited NAS Patuxent River, used on-base lodging, shopped or dined on base, participated in MWR programs, or have any Navy or DoD-related travel there. Check any receipts or confirmation emails from visits to the base and compare dates and amounts. If you still cannot identify the transaction, you can contact your bank to request additional transaction details (such as any associated phone number or merchant ID) and, if necessary, dispute the charge. You may also reach out to the NAS Patuxent River base operator or relevant on-base offices (such as lodging or MWR) with the transaction date and amount to help trace the specific account that processed the payment. ([installations.militaryonesource.mil](https://installations.militaryonesource.mil/military-installation/naval-air-station-patuxent-river?utm_source=openai))

Bank Statement Variations

1 known variations

These are the raw merchant codes that appear on bank and credit card statements that we've identified as belonging to Naval Air Station Patuxent River.

  1. Mmis Account Patuxent Rivemd

Frequently Asked Questions

Why does my statement show a charge as “MMIS Account Patuxent Rivemd” instead of a clearer merchant name?

The descriptor likely reflects an internal Navy or Department of Defense account label (such as a maintenance or modification management information system) tied to Naval Air Station Patuxent River, rather than a commercial brand name. Processors often compress internal accounting labels into the merchant descriptor field, so the recognizable part for cardholders is the location “Patuxent River MD,” indicating the transaction was processed through a Navy-operated account at the base.

What types of purchases at Naval Air Station Patuxent River could appear as this MMIS Account charge?

Charges could stem from on-base lodging, dining or retail facilities, Morale, Welfare and Recreation (MWR) services, participation in recreational programs, conference or facility fees, or other on-base support services billed through a Navy-managed account. If you or a family member used base facilities around the transaction date, that is likely the source of the charge.

How can I confirm that this MMIS Account Patuxent River charge is legitimate?

Start by matching the transaction date and amount to any visit to NAS Patuxent River, lodging receipts, gate or visitor passes, MWR activity registrations, or on-base purchases. Then, contact your card issuer and ask if they can provide any additional details (such as a merchant phone number or extended descriptor). If needed, you can call the NAS Patuxent River base operator and ask to be directed to the appropriate office (lodging, MWR, or finance) that can help trace charges for the given date and amount.

Could this MMIS Account charge be related to official travel or government-contract work at NAS Patuxent River?

Yes. For personnel on official travel orders, contractors, or vendors working with NAVAIR or other commands at NAS Patuxent River, certain fees, services, or facility charges may be processed through internal Navy or DoD accounts. In those cases, the billing descriptor may show a generic MMIS-style label plus “Patuxent River MD.” Check your travel vouchers, orders, or contract-related documentation to see if the amount lines up with reimbursable expenses.

Does Naval Air Station Patuxent River place temporary authorizations or holds that might show up as an MMIS Account charge?

Some on-base facilities, such as lodging or certain recreation services, may place a temporary authorization on your card to verify funds, which can appear as a pending charge with a generic descriptor. These holds typically adjust to the final amount at checkout or drop off after a few days if no final charge is posted. If you see a small or duplicate pending MMIS Account Patuxent River amount, wait a few days and then confirm with your bank whether it has cleared or been replaced by a final charge.

How can I request a refund or dispute a specific charge that appears as MMIS Account Patuxent Rivemd?

First, try to identify the underlying transaction by reviewing your receipts and confirming any recent use of NAS Patuxent River facilities. If you believe the charge is incorrect, contact your card issuer to ask for more details and initiate a dispute if necessary. In parallel, you can call the base operator at NAS Patuxent River and request transfer to lodging, MWR, or the appropriate financial office, providing them the charge date and amount so they can research and, if appropriate, issue an adjustment or refund through their accounting system.

Who can I contact at Naval Air Station Patuxent River for help identifying a charge?

You can start with the NAS Patuxent River base operator (listed on official installation and CNIC pages) and request to be connected to the department most likely associated with your charge—commonly lodging, MWR, or the installation’s financial or comptroller office. Have your transaction date, amount, and last four digits of your card ready so staff can search their records and confirm whether the payment was processed through their MMIS or related account.

Could the MMIS Account Patuxent River descriptor be used for recurring or subscription-like fees?

While most charges related to NAS Patuxent River are one-time transactions for lodging, access, or services, some activities—such as long-term facility use, recurring program fees, or contract-related payments—could recur. If you see multiple MMIS Account Patuxent River charges over time, review whether you have ongoing base-related services or agreements and contact both your bank and the relevant on-base office to verify whether any recurring billing arrangement is in place.

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