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DR. JAMES MICHAEL MASHNI DDS
NPI 1427306273
Dentist - General Practice in East Lansing, MI

Active since August 28, 2012PECOS Enrolled
2121 ABBOTT RD, EAST LANSING, MI 48823(517) 351-1733(517) 351-5709 Get Directions Write a Review

NPPES record last updated: November 13, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. James Michael Mashni Dds NPPES

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

DR. JAMES MICHAEL MASHNI DDS (NPI 1427306273) is an individual general practice provider in East Lansing, Michigan, licensed in Michigan (2901020812) and active in the NPI registry since August 2012. He is enrolled in Medicare PECOS and is a graduate of Loma Linda University School Of Dentistry (2012).

NPPES Registry Identity

NPI1427306273
Entity TypeIndividualMale
Primary Taxonomy1223G0001X
Provider Legal NameDR. JAMES MICHAEL MASHNICredential: DDS
Location Address2121 ABBOTT RDEast Lansing, MI 48823-8535
Mailing Address2121 Abbott RdEast Lansing, MI 48823-8535 · (517) 351-1733 · Fax (517) 351-5709
Phone(517) 351-1733
Fax(517) 351-5709
Sole ProprietorYes
Medical School CMSLoma Linda University School Of DentistryGraduated 2012
Enumeration DateAugust 28, 2012
Last NPPES UpdateNovember 13, 2025
NPPES CertifiedNovember 13, 2025
✔ NPI 1427306273 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDentist · General PracticeDental Providers
Taxonomy Code1223G0001X
License✔ Licensed in MI · 2901020812
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.
2121 ABBOTT RD, East Lansing, MI 48823
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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. James Michael Mashni Dds is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID3678054897
PECOS Enrollment IDI20260421003879
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 48823 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
$84.74 typical visit price
range $54.34 – $166.68
Typical copayment $21.18 (range $13.58 – $41.67)
Most-billed visit code 99203
Established Patient
$68.07 typical visit price
range $17.09 – $135.40
Typical copayment $17.01 (range $4.27 – $33.85)
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 2

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

DR. DANIEL R KLEIN DDS
Dentist (Pediatric Dentistry)
2121 ABBOTT RD
EAST LANSING, MI 48823
Ingham County (517) 337-0032
STANLEY E DUDEK MD
Otolaryngology
2121 ABBOTT RD, SUITE3
EAST LANSING, MI 48823
Ingham County (517) 351-6000

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 James Mashni's NPI number?

The NPI number for James Mashni is 1427306273. It was assigned to this individual provider in the NPPES registry on August 28, 2012.

Where is James Mashni located?

James Mashni practices at 2121 Abbott Rd, East Lansing, MI 48823. The listed phone number is (517) 351-1733.

What is James Mashni's specialty?

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

Is James Mashni enrolled in Medicare?

Yes. James Mashni is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for James Mashni was last updated on November 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.