MARY MAINVILLE MSW, MED,LCSW
NPI 1295051530
Social Worker - Clinical in Friendswood, TX
About Mary Mainville Msw, Med,lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARY MAINVILLE MSW, MED,LCSW (NPI 1295051530) is an individual clinical provider in Friendswood, Texas and active in the NPI registry since April 2010. She is enrolled in Medicare PECOS, maintains a secondary practice location in Hull, and is a graduate of Other (1998).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mary Mainville Msw, Med,lcsw is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
2Medicare enrollment records show Mary Mainville reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Houston, TX 77030
- Reassigned Medicare billing, Texas enrollment
- 3,111 clinicians in this Medicare group
Taunton, MA 02780
- Reassigned Medicare billing, Massachusetts enrollment
- 689 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 77546 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 10
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
FRIENDSWOOD, TX 77546
FRIENDSWOOD, TX 77546
FRIENDSWOOD, TX 77546
FRIENDSWOOD, TX 77546
FRIENDSWOOD, TX 77546
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Mary Mainville's NPI number?
The NPI number for Mary Mainville is 1295051530. It was assigned to this individual provider in the NPPES registry on April 12, 2010.
Where is Mary Mainville located?
Mary Mainville practices at 308 S Friendswood Dr Ste 110, Friendswood, TX 77546. The listed phone number is (281) 993-3733.
What is Mary Mainville's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Mary Mainville enrolled in Medicare?
Yes. Mary Mainville is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mary Mainville's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mary Mainville reassigns Medicare benefits to 2 organizations: Ut Physicians (Houston, TX) and Northeast Health Services, LLC (Taunton, MA). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mary Mainville's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mary Mainville accept?
Health plans from Ambetter from Arizona Complete Health, Ambetter from Arkansas Health & Wellness, Ambetter from Louisiana Healthcare Connections, Ambetter from Superior HealthPlan and Ambetter of Oklahoma and 1 other insurer list Mary Mainville as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Mary Mainville was last updated on September 16, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Mary Mainville, MSW, MED,LCSW · NPI 1295051530
Clinical provider in Friendswood, Texas. Individual provider, active in the CMS NPPES registry since April 12, 2010.
## Identity
- **NPI:** 1295051530 (Entity type: Individual)
- **Enumerated:** April 12, 2010
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **Sole proprietor:** Yes
## Practice location
- **Address:** 308 S FRIENDSWOOD DR STE 110, Friendswood, TX 77546-3989
- **Phone:** (281) 993-3733
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Ut Physicians (NPI 1033157821, Houston, TX); Northeast Health Services, LLC (NPI 1225067481, Taunton, MA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1998
## Record status
- **NPPES last updated:** September 16, 2020
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Source: [NPI Profile](https://npiprofile.com/npi/1295051530) · Data from the CMS NPPES public registry.