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

DR. JOHNNIE DUNBAR GROSS D.D.S.
NPI 1700877941
Dentist - General Practice in Monson, MA

Active since November 04, 2005PECOS Enrolled
117 MAIN ST, MONSON, MA 01057(413) 267-5432(413) 267-5078 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. Johnnie Dunbar Gross D.d.s. NPPES

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

DR. JOHNNIE DUNBAR GROSS D.D.S. (NPI 1700877941) is an individual general practice provider in Monson, Massachusetts, licensed in Massachusetts (16646) and active in the NPI registry since November 2005. He is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1700877941
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. JOHNNIE DUNBAR GROSSCredential: D.D.S.
Location Address117 MAIN STMonson, MA 01057-1320
Mailing Address117 Main StMonson, MA 01057-1320 · (413) 267-5432 · Fax (413) 267-5078
Phone(413) 267-5432
Fax(413) 267-5078
Sole ProprietorNo
Enumeration DateNovember 4, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1700877941 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 · 16646
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.
117 MAIN ST, Monson, MA 01057
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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. Johnnie Dunbar Gross 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 01057 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 3

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

JOSEPH W MALINOSKI RPH
Pharmacist
117 MAIN ST
MONSON, MA 01057
Hampden County (413) 267-4021
WALGREEN CO
Pharmacy
117 MAIN ST
MONSON, MA 01057
Hampden County (413) 267-4021
DAMIANOS G AVRAMIDIS PHARMD
Pharmacist
117 MAIN ST
MONSON, MA 01057
Hampden County (413) 267-4021

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 Johnnie Gross's NPI number?

The NPI number for Johnnie Gross is 1700877941. It was assigned to this individual provider in the NPPES registry on November 4, 2005.

Where is Johnnie Gross located?

Johnnie Gross practices at 117 Main St, Monson, MA 01057. The listed phone number is (413) 267-5432.

What is Johnnie Gross's specialty?

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

Is Johnnie Gross enrolled in Medicare?

Yes. Johnnie Gross is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Johnnie Gross 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 28 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.