MIGUEL ARMANDO CASTELLON MD
NPI 1659074102
Internal Medicine in Grand Rapids, MI
About Miguel Armando Castellon Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MIGUEL ARMANDO CASTELLON MD (NPI 1659074102) is an individual internal medicine provider in Grand Rapids, Michigan, licensed in Michigan (4301518234) and active in the NPI registry since March 2023. He is enrolled in Medicare PECOS and is a graduate of Other (2023).
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 (PECOS)
Miguel Armando Castellon Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Miguel Castellon reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 2,446 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 49503 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.
GRAND RAPIDS, MI 49503
GRAND RAPIDS, MI 49503
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 Miguel Castellon's NPI number?
The NPI number for Miguel Castellon is 1659074102. It was assigned to this individual provider in the NPPES registry on March 23, 2023.
Where is Miguel Castellon located?
Miguel Castellon practices at 426 Michigan St NE, Grand Rapids, MI 49503. The listed phone number is (616) 267-8338.
What is Miguel Castellon's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Miguel Castellon enrolled in Medicare?
Yes. Miguel Castellon is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Miguel Castellon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Miguel Castellon reassigns Medicare benefits to Spectrum Health Primary Care Partners (Grand Rapids, MI). 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 Miguel Castellon's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Miguel Castellon accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Miguel Castellon 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 Miguel Castellon was last updated on September 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 42 days 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.
# Miguel Armando Castellon, MD · NPI 1659074102
Internal Medicine physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since March 23, 2023.
## Identity
- **NPI:** 1659074102 (Entity type: Individual)
- **Enumerated:** March 23, 2023
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** 4301518234 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 426 MICHIGAN ST NE, Grand Rapids, MI 49503-5609
- **Phone:** (616) 267-8338
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Spectrum Health Primary Care Partners (NPI 1689499667, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2023
## Record status
- **NPPES last updated:** September 8, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1659074102) · Data from the CMS NPPES public registry.