XAVIER FONSECA FUENTES
NPI 1760889182
Internal Medicine - Critical Care Medicine in Detroit, MI
About Xavier Fonseca Fuentes NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
XAVIER FONSECA FUENTES (NPI 1760889182) is an individual critical care medicine provider in Detroit, Michigan, licensed in Michigan (4301507390) and active in the NPI registry since December 2014. He is enrolled in Medicare PECOS, is affiliated with Billings Clinic, and maintains a secondary practice location in Rochester.
NPPES Registry Identity
Specialties & Licenses 2
Other Names 1
Secondary Practice Location 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
Xavier Fonseca Fuentes 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 Xavier Fonseca Fuentes reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Miles City, MT 59301
- Reassigned Medicare billing, Montana enrollment
- 1,264 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 12
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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Billings Clinic
Acute Care Hospitals · Billings, MTSagewest Health Care
Acute Care Hospitals · Riverton, WYCody Regional Health
Critical Access Hospitals · Cody, WYPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 48202 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.
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 Xavier Fonseca Fuentes's NPI number?
The NPI number for Xavier Fonseca Fuentes is 1760889182. It was assigned to this individual provider in the NPPES registry on December 1, 2014. The provider is also known as Xavier Fonseca.
Where is Xavier Fonseca Fuentes located?
Xavier Fonseca Fuentes practices at 2799 W Grand Blvd, Detroit, MI 48202. The listed phone number is (800) 653-6568.
What is Xavier Fonseca Fuentes's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Xavier Fonseca Fuentes enrolled in Medicare?
Yes. Xavier Fonseca Fuentes 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 Xavier Fonseca Fuentes's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Xavier Fonseca Fuentes reassigns Medicare benefits to Billings Clinic (Miles City, MT). 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 Xavier Fonseca Fuentes's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Xavier Fonseca Fuentes accept?
Health plans from Blue Cross and Blue Shield of Montana, Mountain Health CO-OP, PacificSource Health Plans and Providence Health Plan list Xavier Fonseca Fuentes 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 Xavier Fonseca Fuentes affiliated with any hospitals?
According to CMS data, Xavier Fonseca Fuentes is affiliated with Billings Clinic, Sagewest Health Care and Cody Regional Health.
When was this NPI record last updated?
The NPPES record for Xavier Fonseca Fuentes was last updated on July 13, 2022. 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.