WILLIAM MARTELL
NPI 1306300587
Social Worker - Clinical in Traverse City, MI
About William Martell NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WILLIAM MARTELL (NPI 1306300587) is an individual clinical provider in Traverse City, Michigan, licensed in Michigan (6801090714) and active in the NPI registry since January 2019. He is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
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)
William Martell is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show William Martell reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Traverse City, MI 49686
- Reassigned Medicare billing, Michigan enrollment
- 18 clinicians in this Medicare group
Grand Rapids, MI 49548
- Reassigned Medicare billing, Michigan enrollment
- 261 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 49686 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 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
TRAVERSE CITY, MI 49686
TRAVERSE CITY, MI 49686
TRAVERSE CITY, MI 49686
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 William Martell's NPI number?
The NPI number for William Martell is 1306300587. It was assigned to this individual provider in the NPPES registry on January 22, 2019.
Where is William Martell located?
William Martell practices at 1719 S Garfield Ave, Traverse City, MI 49686. The listed phone number is (231) 935-0799.
What is William Martell's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is William Martell enrolled in Medicare?
Yes. William Martell is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for William Martell's services?
According to the CMS Revalidation Reassignment List (October 2026 release), William Martell reassigns Medicare benefits to 2 organizations: Traverse Health Clinic And Coalition (Traverse City, MI) and Pine Rest Christian Mental Health Services (Grand Rapids, MI). 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 William Martell's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does William Martell accept?
Health plans from Blue Care Network of Michigan, Blue Cross Blue Shield of Michigan Mutual Insurance Company and Priority Health list William Martell 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 William Martell was last updated on November 25, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 months 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.
# William Martell · NPI 1306300587
Clinical provider in Traverse City, Michigan. Individual provider, active in the CMS NPPES registry since January 22, 2019.
## Identity
- **NPI:** 1306300587 (Entity type: Individual)
- **Enumerated:** January 22, 2019
- **Primary specialty:** Social Worker - Clinical · taxonomy 1041C0700X
- **State license:** 6801090714 (Michigan)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1719 S GARFIELD AVE, Traverse City, MI 49686-4337
- **Phone:** (231) 935-0799
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment
- **Bills Medicare through:** 2 organizations under Medicare reassignment (form CMS-855R): Traverse Health Clinic And Coalition (NPI 1407309685, Traverse City, MI); Pine Rest Christian Mental Health Services (NPI 1922019157, Grand Rapids, MI) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 25, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1306300587) · Data from the CMS NPPES public registry.