STEPHANIE ELIZABETH COALLIER MD
NPI 1932738960
Emergency Medicine in Muskegon, MI

Q: What is Stephanie Coallier's NPI number?

The NPI number for Stephanie Coallier is 1932738960. It was assigned to this individual provider in the NPPES registry on April 2, 2020.

Q: What is Stephanie Coallier's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Active since April 02, 2020PECOS Enrolled

1700 CLINTON ST, MUSKEGON, MI 49442(231) 726-3511 Get Directions Write a Review

NPPES record last updated: February 23, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 18, 2021, Apr 2, 2020 (2 updates tracked since 2020).

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About Stephanie Elizabeth Coallier Md NPPES

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

STEPHANIE ELIZABETH COALLIER MD (NPI 1932738960) is an individual emergency medicine provider in Muskegon, Michigan, licensed in Michigan (4301507765) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1932738960

Entity TypeIndividualFemale

Primary Taxonomy207P00000X

Provider Legal NameSTEPHANIE ELIZABETH COALLIERCredential: MD

Location Address1700 CLINTON STMuskegon, MI 49442-5502

Mailing Address1675 Leahy St Ste 315aMuskegon, MI 49442-5543

Phone(231) 726-3511

Sole ProprietorYes

Enumeration DateApril 2, 2020

Last NPPES UpdateFebruary 23, 20242 updates tracked since enumeration

NPPES CertifiedFebruary 23, 2024

✔ NPI 1932738960 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207P00000X

License✔ Licensed in MI · 4301507765

Definition

An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.

Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X

1700 CLINTON ST, Muskegon, MI 49442

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Elizabeth Coallier Md 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.

Medicare Billing Reassignments

Medicare enrollment records show Stephanie Coallier reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Lake Michigan Emergency Specialists, PLLC

Same address

Emergency Medicine

1700 CLINTON ST, EMERGENCY DEPARTMENT
Muskegon, MI 49442

Reassigned Medicare billing, Michigan enrollment
83 clinicians in this Medicare group

NPI 1124574520 (231) 728-4601

Lake Michigan Observation Services PLLC

1.9 mi

Emergency Medical Services

1500 E SHERMAN BLVD
Muskegon, MI 49444

Reassigned Medicare billing, Michigan enrollment
61 clinicians in this Medicare group

NPI 1518626043 (231) 672-3916

Grand River Emergency Medical Group Plc

34 mi

Emergency Medicine

200 JEFFERSON AVE SE
Grand Rapids, MI 49503

Reassigned Medicare billing, Michigan enrollment
55 clinicians in this Medicare group

NPI 1114929353 (616) 685-6781

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Areas of Expertise CMS Part B claims 2

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Emergency department visit with high level of medical decision making 99285

An emergency department visit for severe conditions is when you urgently seek medical help due to serious health issues. These could be severe injuries, breathing problems, unbearable pain, or sudden severe illness. Doctors and nurses will provide immediate care to stabilize your condition.

27 services26 patients

Emergency department visit with moderate level of medical decision making 99284

An emergency department visit for a high-severity issue means you're experiencing a serious health problem that needs immediate attention. This could be a severe injury, serious illness, or life-threatening condition. Medical professionals will provide urgent care to stabilize your condition.

23 services23 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 49442 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

$96.44 typical visit price

range $17.09 – $135.40

Typical copayment $24.11 (range $4.27 – $33.85)

Most-billed visit code 99214

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 20

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

STEVEN A DUNN MD

Anesthesiology