SENA RAE ST JOHN D.O.
NPI 1437443033
Internal Medicine in Ionia, MI
About Sena Rae St John D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
SENA RAE ST JOHN D.O. (NPI 1437443033) is an individual internal medicine provider in Ionia, Michigan, licensed in Michigan (5101019485) and active in the NPI registry since June 2011. She is enrolled in Medicare PECOS and is a graduate of Michigan State University College Of Osteopathic Medicine (2011).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
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
Sena Rae St John D.o. 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 Reassignment
Medicare enrollment records show Sena St John reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Hemet, CA 92545
- Reassigned Medicare billing, California enrollment
- 5,228 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48846 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 19
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 Sena St John's NPI number?
The NPI number for Sena St John is 1437443033. It was assigned to this individual provider in the NPPES registry on June 1, 2011. The provider is also known as Dr. Sena Rae St John D.O..
Where is Sena St John located?
Sena St John practices at 550 E Washington St, Ionia, MI 48846. The listed phone number is (616) 523-1601.
What is Sena St John's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Sena St John enrolled in Medicare?
Yes. Sena St John 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 organization bills Medicare for Sena St John's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Sena St John reassigns Medicare benefits to Southern California Permanente Medical Group (Hemet, CA). The 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 Sena St John's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Sena St John was last updated on December 21, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Sena Rae St John, D.O. · NPI 1437443033
Internal Medicine physician in Ionia, Michigan. Individual provider, active in the CMS NPPES registry since June 1, 2011.
## Identity
- **NPI:** 1437443033 (Entity type: Individual)
- **Enumerated:** June 1, 2011
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 5101019485 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 550 E WASHINGTON ST, Ionia, MI 48846-2202
- **Phone:** (616) 523-1601
## 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:** Southern California Permanente Medical Group (NPI 1013433465, Hemet, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2011
## Record status
- **NPPES last updated:** December 21, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1437443033) · Data from the CMS NPPES public registry.