DIANA CALDERON OT
NPI 1386027977
Occupational Therapist in Portage, MI
About Diana Calderon Ot NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DIANA CALDERON OT (NPI 1386027977) is an individual occupational therapist in Portage, Michigan, licensed in Michigan (5201008545) and active in the NPI registry since July 2015. She is a graduate of Other (2012).
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
Diana Calderon Ot 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 Diana Calderon reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Portage, MI 49024
- Reassigned Medicare billing, Michigan enrollment
- 5 clinicians in this Medicare group
Saginaw, MI 48603
- Reassigned Medicare billing, Michigan enrollment
- 107 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.
Other Providers at the Same Location NPPES 11
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
PORTAGE, MI 49024
PORTAGE, MI 49024
PORTAGE, MI 49024
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 Diana Calderon's NPI number?
The NPI number for Diana Calderon is 1386027977. It was assigned to this individual provider in the NPPES registry on July 1, 2015.
Where is Diana Calderon located?
Diana Calderon practices at 7971 Moorsbridge Rd, Portage, MI 49024. The listed phone number is (269) 321-0929.
What is Diana Calderon's specialty?
The primary specialty registered for this NPI is Occupational Therapist with taxonomy code 225X00000X.
Is Diana Calderon enrolled in Medicare?
Yes. Diana Calderon 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 Diana Calderon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Diana Calderon reassigns Medicare benefits to 2 organizations: Great Lakes Hand Therapy PC (Portage, MI) and Tmi East, Inc. (Saginaw, 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 Diana Calderon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Diana Calderon accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Diana Calderon 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 Diana Calderon was last updated on July 1, 2015. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.