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GREGORY M MASON SLP
NPI 1508337726
Speech-Language Pathologist in Lexington, MI

Active since December 16, 2018
5798 UNION ST, LEXINGTON, MI 48450(810) 334-1090 Get Directions Write a Review

NPPES record last updated: December 16, 2018. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Gregory M Mason Slp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

GREGORY M MASON SLP (NPI 1508337726) is an individual speech-language pathologist provider in Lexington, Michigan, licensed in Michigan (7101000057) and active in the NPI registry since December 2018.

NPPES Registry Identity

NPI1508337726
Entity TypeIndividualMale
Primary Taxonomy235Z00000X
Provider Legal NameGREGORY M MASONCredential: SLP
Location Address5798 UNION STLexington, MI 48450-8835
Mailing Address5798 Union StLexington, MI 48450-8835 · (810) 334-1090
Phone(810) 334-1090
Sole ProprietorNo
Enumeration DateDecember 16, 2018
✔ NPI 1508337726 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySpeech-Language PathologistSpeech, Language and Hearing Service Providers
Taxonomy Code235Z00000X
License✔ Licensed in MI · 7101000057
Definition
The speech-language pathologist is the professional who engages in clinical services, prevention, advocacy, education, administration, and research in the areas of communication and swallowing across the life span from infancy through geriatrics. Speech-language pathologists address typical and atypical impairments and disorders related to communication and swallowing in the areas of speech sound production, resonance, voice, fluency, language (comprehension and expression), cognition, and feeding and swallowing.
5798 UNION ST, Lexington, MI 48450
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Gregory M Mason Slp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Billing Reassignment

Medicare enrollment records show Gregory Mason reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Talk Of The Town Slp L.L.C
4.4 mi
Speech-Language Pathologist
79 N HOWARD AVE STE B
Croswell, MI 48422
  • Reassigned Medicare billing, Michigan enrollment
  • Medicare enrollment name: Talk Of The Town Slp LLC
  • 4 clinicians in this Medicare group
NPI 1336880988 (810) 334-1090

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 Gregory Mason's NPI number?

The NPI number for Gregory Mason is 1508337726. It was assigned to this individual provider in the NPPES registry on December 16, 2018.

Where is Gregory Mason located?

Gregory Mason practices at 5798 Union St, Lexington, MI 48450. The listed phone number is (810) 334-1090.

What is Gregory Mason's specialty?

The primary specialty registered for this NPI is Speech-Language Pathologist with taxonomy code 235Z00000X.

Is Gregory Mason enrolled in Medicare?

Yes. Gregory Mason is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Gregory Mason's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mason reassigns Medicare benefits to Talk Of The Town Slp L.L.C (Croswell, MI). 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 Gregory Mason's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Gregory Mason accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Gregory Mason 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 Gregory Mason was last updated on December 16, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.