MARIA RUIZ M.D.
NPI 1609883495
Physical Medicine & Rehabilitation in Warren, MI
About Maria Ruiz M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARIA RUIZ M.D. (NPI 1609883495) is an individual physical medicine & rehabilitation provider in Warren, Michigan, licensed in Michigan (4301080281) and active in the NPI registry since August 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2006).
NPPES Registry Identity
Specialties & Licenses 2
Other Identifiers 1
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
Maria Ruiz M.d. 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 Maria Ruiz reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Livonia, MI 48152
- Reassigned Medicare billing, Michigan enrollment
- 34 clinicians in this Medicare group
Warren, MI 48092
- Reassigned Medicare billing, Michigan enrollment
- 20 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 20
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.
Other Providers at the Same Location NPPES 18
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 Maria Ruiz's NPI number?
The NPI number for Maria Ruiz is 1609883495. It was assigned to this individual provider in the NPPES registry on August 2, 2006.
Where is Maria Ruiz located?
Maria Ruiz practices at 2243 E 12 Mile Rd, Warren, MI 48092. The listed phone number is (586) 573-8100.
What is Maria Ruiz's specialty?
The primary specialty registered for this NPI is Physical Medicine & Rehabilitation with taxonomy code 208100000X.
Is Maria Ruiz enrolled in Medicare?
Yes. Maria Ruiz 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 Maria Ruiz's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maria Ruiz reassigns Medicare benefits to 2 organizations: Michigan Sports And Spine Center PC (Livonia, MI) and Medcare Inc (Warren, 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 Maria Ruiz's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Maria Ruiz 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 Maria Ruiz 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 Maria Ruiz was last updated on May 14, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.