DR. JOEL NATHAN PHILLIPS D.O.
NPI 1639462039
Psychiatry & Neurology - Neurology in Grand Rapids, MI
About Dr. Joel Nathan Phillips D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. JOEL NATHAN PHILLIPS D.O. (NPI 1639462039) is an individual neurology provider in Grand Rapids, Michigan, licensed in Michigan (5101019354) and active in the NPI registry since May 2011. He is enrolled in Medicare PECOS, is affiliated with Mercy Health Saint Mary's, and is a graduate of Other (2011).
NPPES Registry Identity
Specialties & Licenses 2
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
Dr. Joel Nathan Phillips 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 Reassignments
2Medicare enrollment records show Joel Phillips reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Grand Rapids, MI 49503
- Reassigned Medicare billing, Michigan enrollment
- 737 clinicians in this Medicare group
Grand Haven, MI 49417
- Reassigned Medicare billing, Michigan enrollment
- 28 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 2
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Mercy Health Saint Mary's
Acute Care Hospitals · Grand Rapids, MIPhysician 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.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
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
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 Joel Phillips's NPI number?
The NPI number for Joel Phillips is 1639462039. It was assigned to this individual provider in the NPPES registry on May 18, 2011.
Where is Joel Phillips located?
Joel Phillips practices at 200 Jefferson Ave SE, Grand Rapids, MI 49503. The listed phone number is (616) 685-5231.
What is Joel Phillips's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Neurology, with taxonomy code 2084N0400X.
Is Joel Phillips enrolled in Medicare?
Yes. Joel Phillips 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 Joel Phillips's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Joel Phillips reassigns Medicare benefits to 2 organizations: Advantage Health Saint Mary's Medical Group (Grand Rapids, MI) and Noch Physician Billing Company LLC (Grand Haven, 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 Joel Phillips's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Joel Phillips accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company and 2 other insurers list Joel Phillips 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 Joel Phillips affiliated with any hospitals?
According to CMS data, Joel Phillips is affiliated with Mercy Health Saint Mary's.
When was this NPI record last updated?
The NPPES record for Joel Phillips was last updated on December 13, 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.
# Dr. Joel Nathan Phillips, D.O. · NPI 1639462039
Neurology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since May 18, 2011.
## Identity
- **NPI:** 1639462039 (Entity type: Individual)
- **Enumerated:** May 18, 2011
- **Primary specialty:** Psychiatry & Neurology - Neurology · taxonomy 2084N0400X
- **State license:** 5101019354 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 200 JEFFERSON AVE SE, Grand Rapids, MI 49503-4502
- **Phone:** (616) 685-5231 · **Fax:** (616) 685-5260
## 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): Advantage Health Saint Mary's Medical Group (NPI 1952340911, Grand Rapids, MI); Noch Physician Billing Company LLC (NPI 1972550580, Grand Haven, MI) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2011
## Record status
- **NPPES last updated:** December 13, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1639462039) · Data from the CMS NPPES public registry.