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

DR. MARISSA ANN FROSHEISER DMD
NPI 1861239303
Dentist - General Practice in Bay City, MI

Active since July 11, 2024PECOS Enrolled
3884 MONITOR RD, BAY CITY, MI 48706(989) 671-2000 Get Directions Write a Review

NPPES record last updated: July 31, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Dr. Marissa Ann Frosheiser Dmd NPPES

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

DR. MARISSA ANN FROSHEISER DMD (NPI 1861239303) is an individual general practice provider in Bay City, Michigan, licensed in Michigan (2901602215) and active in the NPI registry since July 2024. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1861239303
Entity TypeIndividualFemale
Primary Taxonomy1223G0001X
Provider Legal NameDR. MARISSA ANN FROSHEISERCredential: DMD
Location Address3884 MONITOR RDBay City, MI 48706-9298
Mailing Address8137 Wolfson LnGrand Blanc, MI 48439-2714 · (586) 980-4229
Sole ProprietorNo
Enumeration DateJuly 11, 2024
Last NPPES UpdateJuly 31, 2026
NPPES CertifiedJuly 31, 2026
NPI 1861239303 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 · 2901602215
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.
3884 MONITOR RD, Bay City, MI 48706

Accepted Insurance

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. Marissa Ann Frosheiser Dmd 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 48706 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 18

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

Dentist
3884 MONITOR RD
BAY CITY, MI 48706
Dentist
3884 MONITOR RD
BAY CITY, MI 48706
Dental Hygienist
3884 MONITOR RD
BAY CITY, MI 48706
Nurse Practitioner (Family)
3884 MONITOR RD
BAY CITY, MI 48706
Nurse Practitioner (Family)
3884 MONITOR RD
BAY CITY, MI 48706
Dentist (General Practice)
3884 MONITOR RD
BAY CITY, MI 48706
Family Medicine
3884 MONITOR RD
BAY CITY, MI 48706
Nurse Practitioner (Family)
3884 MONITOR RD
BAY CITY, MI 48706

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 Marissa Frosheiser's NPI number?

The NPI number for Marissa Frosheiser is 1861239303. It was assigned to this individual provider in the NPPES registry on July 11, 2024.

Where is Marissa Frosheiser located?

Marissa Frosheiser practices at 3884 Monitor Rd, Bay City, MI 48706. The listed phone number is (989) 671-2000.

What is Marissa Frosheiser's specialty?

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

Is Marissa Frosheiser enrolled in Medicare?

Yes. Marissa Frosheiser is registered in the Medicare PECOS enrollment system.

What insurance does Marissa Frosheiser accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, BEST Life and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 10 other insurers list Marissa Frosheiser 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 Marissa Frosheiser was last updated on July 31, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.