DR. BARTON LAWRENCE SEYMOUR DO
NPI 1851371843
Anesthesiology in Grand Rapids, MI
About Dr. Barton Lawrence Seymour Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. BARTON LAWRENCE SEYMOUR DO (NPI 1851371843) is an individual anesthesiology provider in Grand Rapids, Michigan, licensed in Michigan (5101015080) and active in the NPI registry since January 2006. He is enrolled in Medicare PECOS, is affiliated with Spectrum Health, and is a graduate of Michigan State University College Of Osteopathic Medicine (2000).
NPPES Registry Identity
Specialties & Licenses
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. Barton Lawrence Seymour 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 Reassignment
Medicare enrollment records show Barton Seymour reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Grand Rapids, MI 49506
- 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.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Spectrum Health
Acute Care Hospitals · Grand Rapids, MIOther 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 49506
GRAND RAPIDS, MI 49506
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 Barton Seymour's NPI number?
The NPI number for Barton Seymour is 1851371843. It was assigned to this individual provider in the NPPES registry on January 18, 2006.
Where is Barton Seymour located?
Barton Seymour practices at 1840 Wealthy St SE, Grand Rapids, MI 49506. The listed phone number is (616) 774-7870.
What is Barton Seymour's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Barton Seymour enrolled in Medicare?
Yes. Barton Seymour 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 Barton Seymour's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Barton Seymour 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 Barton Seymour's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Barton Seymour affiliated with any hospitals?
According to CMS data, Barton Seymour is affiliated with Spectrum Health.
When was this NPI record last updated?
The NPPES record for Barton Seymour was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 months 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. Barton Lawrence Seymour, DO · NPI 1851371843
Anesthesiology physician in Grand Rapids, Michigan. Individual provider, active in the CMS NPPES registry since January 18, 2006.
## Identity
- **NPI:** 1851371843 (Entity type: Individual)
- **Enumerated:** January 18, 2006
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 5101015080 (Michigan)
- **Sole proprietor:** No
## Practice location
- **Address:** 1840 WEALTHY ST SE, Grand Rapids, MI 49506-2921
- **Phone:** (616) 774-7870
## 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:** Spectrum Health Primary Care Partners (NPI 1235188673, Grand Rapids, MI), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Michigan State University College Of Osteopathic Medicine, class of 2000
## Record status
- **NPPES last updated:** November 5, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1851371843) · Data from the CMS NPPES public registry.