JOHN NEILSON MERIWETHER MD
NPI 1154469203
Family Medicine in Saint Marys, KS
About John Neilson Meriwether Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JOHN NEILSON MERIWETHER MD (NPI 1154469203) is an individual family medicine provider in Saint Marys, Kansas, licensed in Kansas (04-32204) and active in the NPI registry since February 2007. He is enrolled in Medicare PECOS and maintains 2 additional practice locations.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 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 (PECOS)
John Neilson Meriwether Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show John Meriwether reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Onaga, KS 66521
- Reassigned Medicare billing, Kansas enrollment
- Also billed through NPI 1457351389 (Kansas)
- 32 clinicians in this Medicare group
Columbus, KS 66725
- Reassigned Medicare billing, Kansas enrollment
- 13 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 66536 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 3
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 John Meriwether's NPI number?
The NPI number for John Meriwether is 1154469203. It was assigned to this individual provider in the NPPES registry on February 1, 2007.
Where is John Meriwether located?
John Meriwether practices at 206 S Grand Ave, Saint Marys, KS 66536. The listed phone number is (785) 437-3734.
What is John Meriwether's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is John Meriwether enrolled in Medicare?
Yes. John Meriwether is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for John Meriwether's services?
According to the CMS Revalidation Reassignment List (October 2026 release), John Meriwether reassigns Medicare benefits to 2 organizations: Community Healthcare System, Inc (Onaga, KS) and Mercy Hospital Columbus (Columbus, KS). 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 John Meriwether's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does John Meriwether accept?
Health plans from Ambetter Health, Ambetter Health of Delaware, Ambetter from Sunflower Health Plan, Ambetter of Oklahoma and Blue Cross and Blue Shield of Kansas, Inc. list John Meriwether 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 John Meriwether was last updated on October 29, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.