DR. MARI ELIZABETH DOUMA D.O
NPI 1871529511
Pediatrics in Lansing, MI
About Dr. Mari Elizabeth Douma D.o NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARI ELIZABETH DOUMA D.O (NPI 1871529511) is an individual pediatrics provider in Lansing, Michigan, licensed in Michigan (5101012036) and active in the NPI registry since June 2006. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
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)
Dr. Mari Elizabeth Douma D.o is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
3Medicare enrollment records show Mari Douma reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Lansing, MI 48917
- Reassigned Medicare billing, Michigan enrollment
- 916 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 365 clinicians in this Medicare group
Lansing, MI 48912
- Reassigned Medicare billing, Michigan enrollment
- 92 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 48917 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 Mari Douma's NPI number?
The NPI number for Mari Douma is 1871529511. It was assigned to this individual provider in the NPPES registry on June 24, 2006.
Where is Mari Douma located?
Mari Douma practices at 7201 Saginaw St Ste 202, Lansing, MI 48917. The listed phone number is (517) 321-7711.
What is Mari Douma's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Mari Douma enrolled in Medicare?
Yes. Mari Douma is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Mari Douma's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mari Douma reassigns Medicare benefits to 3 organizations: Edward W. Sparrow Hospital Association (Lansing, MI), Msu Health Care Inc (Lansing, MI) and Michigan State University (Lansing, 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 Mari Douma's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mari Douma 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 1 other insurer list Mari Douma 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 Mari Douma was last updated on December 10, 2009. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.