MARIAH SMITH DO
NPI 1194392944
Emergency Medicine in Mishawaka, IN
About Mariah Smith Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIAH SMITH DO (NPI 1194392944) is an individual emergency medicine provider in Mishawaka, Indiana, licensed in Indiana (02007736A) and active in the NPI registry since June 2021. She is enrolled in Medicare PECOS, is affiliated with Saint Joseph Regional Medical Center, and is a graduate of Pacific Nw Un Of Hs, Col Of Osteopathic Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Mariah Smith Do is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
3Medicare enrollment records show Mariah Smith reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mishawaka, IN 46545
- Reassigned Medicare billing, Indiana and Michigan enrollments
- Also billed through NPI 1881498202 (Michigan)
- 598 clinicians in this Medicare group
Elkhart, IN 46514
- Reassigned Medicare billing, Indiana enrollment
- 79 clinicians in this Medicare group
Three Rivers, MI 49093
- Reassigned Medicare billing, Michigan enrollment
- 18 clinicians in this Medicare group
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 4
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Saint Joseph Regional Medical Center
Acute Care Hospitals · Mishawaka, INGoshen Hospital
Acute Care Hospitals · Goshen, INMemorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INSaint Joseph Regional Medical Center - Plymouth
Acute Care Hospitals · Plymouth, INThree Rivers Health
Acute Care Hospitals · Three Rivers, MIPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46545 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
MISHAWAKA, IN 46545
MISHAWAKA, IN 46545
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 Mariah Smith's NPI number?
The NPI number for Mariah Smith is 1194392944. It was assigned to this individual provider in the NPPES registry on June 9, 2021.
Where is Mariah Smith located?
Mariah Smith practices at 5215 Holy Cross Pkwy, Mishawaka, IN 46545. The listed phone number is (574) 335-5000.
What is Mariah Smith's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mariah Smith enrolled in Medicare?
Yes. Mariah Smith is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Mariah Smith's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mariah Smith reassigns Medicare benefits to 3 organizations: Cep America LLC (Mishawaka, IN), Elite Emergency Physicians Inc (Elkhart, IN) and Elite Emergency Physicians Of Michigan PC (Three Rivers, MI). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mariah Smith's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Mariah Smith affiliated with any hospitals?
According to CMS data, Mariah Smith is affiliated with Saint Joseph Regional Medical Center, Goshen Hospital, Memorial Hospital Of South Bend, Saint Joseph Regional Medical Center - Plymouth and Three Rivers Health.
When was this NPI record last updated?
The NPPES record for Mariah Smith was last updated on January 12, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 21 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.
# Mariah Smith, DO · NPI 1194392944
Emergency Medicine physician in Mishawaka, Indiana. Individual provider, active in the CMS NPPES registry since June 9, 2021.
## Identity
- **NPI:** 1194392944 (Entity type: Individual)
- **Enumerated:** June 9, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 02007736A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 5215 HOLY CROSS PKWY, Mishawaka, IN 46545-1469
- **Phone:** (574) 335-5000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): Cep America LLC (NPI 1811796006, Mishawaka, IN); Elite Emergency Physicians Inc (NPI 1932155371, Elkhart, IN); Elite Emergency Physicians Of Michigan PC (NPI 1427730050, Three Rivers, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Pacific Nw Un Of Hs, Col Of Osteopathic Medicine, class of 2021
## Record status
- **NPPES last updated:** January 12, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1194392944) · Data from the CMS NPPES public registry.