MARK JOSEPH MAYHEW LCSW
NPI 1033294095
Social Worker in Westfield, IN
About Mark Joseph Mayhew Lcsw NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK JOSEPH MAYHEW LCSW (NPI 1033294095) is an individual social worker in Westfield, Indiana and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mark Joseph Mayhew Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mark Mayhew reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Durham, NC 27701
- Reassigned Medicare billing, Indiana enrollment
- 77 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.
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 Mark Mayhew's NPI number?
The NPI number for Mark Mayhew is 1033294095. It was assigned to this individual provider in the NPPES registry on October 26, 2006.
Where is Mark Mayhew located?
Mark Mayhew practices at 1127 Hamilton Way, Westfield, IN 46074. The listed phone number is (317) 432-3183.
What is Mark Mayhew's specialty?
The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.
Is Mark Mayhew enrolled in Medicare?
Yes. Mark Mayhew is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mark Mayhew's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Mayhew reassigns Medicare benefits to Mental Health Specialty Group PA (Durham, NC). The 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 Mark Mayhew's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Mayhew accept?
Health plans from Anthem Blue Cross and Blue Shield list Mark Mayhew 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 Mark Mayhew was last updated on June 28, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mark Joseph Mayhew, LCSW · NPI 1033294095
Social Worker provider in Westfield, Indiana. Individual provider, active in the CMS NPPES registry since October 26, 2006.
## Identity
- **NPI:** 1033294095 (Entity type: Individual)
- **Enumerated:** October 26, 2006
- **Primary specialty:** Social Worker · taxonomy 104100000X
- **Sole proprietor:** No
## Practice location
- **Address:** 1127 HAMILTON WAY, Westfield, IN 46074-6704
- **Phone:** (317) 432-3183
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for durable medical equipment
- **Bills Medicare through:** Mental Health Specialty Group PA (NPI 1801472634, Durham, NC), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** June 28, 2022
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Source: [NPI Profile](https://npiprofile.com/npi/1033294095) · Data from the CMS NPPES public registry.