NICHOLAS JOSEPH WALTER DO
NPI 1568099042
Family Medicine in Mishawaka, IN
About Nicholas Joseph Walter Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NICHOLAS JOSEPH WALTER DO (NPI 1568099042) is an individual family medicine provider in Mishawaka, Indiana, licensed in Indiana (02007449A) and active in the NPI registry since March 2020. He is enrolled in Medicare PECOS, is affiliated with Saint Joseph Regional Medical Center, and is a graduate of Michigan State University College Of Osteopathic Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
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
Nicholas Joseph Walter 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
2Medicare enrollment records show Nicholas Walter reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mishawaka, IN 46544
- Reassigned Medicare billing, Indiana enrollment
- 183 clinicians in this Medicare group
Mishawaka, IN 46545
- Reassigned Medicare billing, Indiana enrollment
- 216 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
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 2
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, INMemorial Hospital Of South Bend
Acute Care Hospitals · South Bend, INPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 46544 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.
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 Nicholas Walter's NPI number?
The NPI number for Nicholas Walter is 1568099042. It was assigned to this individual provider in the NPPES registry on March 25, 2020.
Where is Nicholas Walter located?
Nicholas Walter practices at 420 W 4th St, Mishawaka, IN 46544. The listed phone number is (574) 307-7673.
What is Nicholas Walter's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Nicholas Walter enrolled in Medicare?
Yes. Nicholas Walter 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 Nicholas Walter's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Nicholas Walter reassigns Medicare benefits to 2 organizations: Healthlinc, Inc. (Mishawaka, IN) and Saint Joseph Regional Medical Center-South Bend Campus, Inc (Mishawaka, IN). 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 Nicholas Walter's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Nicholas Walter accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Anthem Blue Cross and Blue Shield and CareSource and 1 other insurer list Nicholas Walter 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.
Is Nicholas Walter affiliated with any hospitals?
According to CMS data, Nicholas Walter is affiliated with Saint Joseph Regional Medical Center and Memorial Hospital Of South Bend.
When was this NPI record last updated?
The NPPES record for Nicholas Walter was last updated on August 16, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years 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.
# Nicholas Joseph Walter, DO · NPI 1568099042
Family Medicine physician in Mishawaka, Indiana. Individual provider, active in the CMS NPPES registry since March 25, 2020.
## Identity
- **NPI:** 1568099042 (Entity type: Individual)
- **Enumerated:** March 25, 2020
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 02007449A (Indiana)
- **Sole proprietor:** No
## Practice location
- **Address:** 420 W 4TH ST, Mishawaka, IN 46544-1948
- **Phone:** (574) 307-7673
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Healthlinc, Inc. (NPI 1417244989, Mishawaka, IN); Saint Joseph Regional Medical Center-South Bend Campus, Inc (NPI 1699132365, Mishawaka, IN) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2019
## Record status
- **NPPES last updated:** August 16, 2023
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Source: [NPI Profile](https://npiprofile.com/npi/1568099042) · Data from the CMS NPPES public registry.