Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

DR. LOUIS MICHAEL GRILLON D.D.S.
NPI 1063497170
Dentist - General Practice in Chicopee, MA

Active since December 12, 2005PECOS Enrolled
436 CHICOPEE ST, CHICOPEE, MA 01013(413) 533-0528 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

About Dr. Louis Michael Grillon D.d.s. NPPES

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

DR. LOUIS MICHAEL GRILLON D.D.S. (NPI 1063497170) is an individual general practice provider in Chicopee, Massachusetts, licensed in Massachusetts (15603) and active in the NPI registry since December 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1063497170
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. LOUIS MICHAEL GRILLONCredential: D.D.S.
Location Address436 CHICOPEE STChicopee, MA 01013-1941
Mailing Address436 Chicopee StChicopee, MA 01013-1941 · (413) 533-0528
Sole ProprietorNo
Enumeration DateDecember 12, 2005
Last NPPES UpdateJuly 13, 2026
NPI 1063497170 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License Licensed in MA · 15603
Definition
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.
436 CHICOPEE ST, Chicopee, MA 01013

Other Identifiers 1

Other15603MA · Dental License #

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

Enrolled in Medicare (PECOS)

Dr. Louis Michael Grillon D.d.s. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer Part B Labs & Imaging Durable Medical Equipment Home Health Agency Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 01013 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$90.70 typical visit price
range $58.86 – $177.36
Typical copayment $22.67 (range $14.71 – $44.34)
Most-billed visit code 99203
Established Patient
$73.22 typical visit price
range $19.11 – $144.84
Typical copayment $18.30 (range $4.77 – $36.21)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

Clinic/Center (Dental)
436 CHICOPEE ST
CHICOPEE, MA 01013

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 Louis Grillon's NPI number?

The NPI number for Louis Grillon is 1063497170. It was assigned to this individual provider in the NPPES registry on December 12, 2005.

Where is Louis Grillon located?

Louis Grillon practices at 436 Chicopee St, Chicopee, MA 01013. The listed phone number is (413) 533-0528.

What is Louis Grillon's specialty?

The primary specialty registered for this NPI is Dentist, specializing in General Practice, with taxonomy code 1223G0001X.

Is Louis Grillon enrolled in Medicare?

Yes. Louis Grillon is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Louis Grillon was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 32 days 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.