DR. MARIO MARIANI MD
NPI 1487680344
Internal Medicine in Chattanooga, TN
About Dr. Mario Mariani Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. MARIO MARIANI MD (NPI 1487680344) is an individual internal medicine provider in Chattanooga, Tennessee, licensed in Tennessee (28875) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Memorial Healthcare System, Inc, and is a graduate of Other (1991).
NPPES Registry Identity
Specialties & Licenses
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
Dr. Mario Mariani Md 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 Mario Mariani reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Chattanooga, TN 37411
- Reassigned Medicare billing, Tennessee enrollment
- 570 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 11
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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Memorial Healthcare System, Inc
Acute Care Hospitals · Chattanooga, TNPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 37415 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Referred Medical Equipment & Supplies CMS DME claims 2
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 6
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 Mario Mariani's NPI number?
The NPI number for Mario Mariani is 1487680344. It was assigned to this individual provider in the NPPES registry on June 23, 2006.
Where is Mario Mariani located?
Mario Mariani practices at 3739 Hixson Pike, Chattanooga, TN 37415. The listed phone number is (423) 875-0999.
What is Mario Mariani's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Mario Mariani enrolled in Medicare?
Yes. Mario Mariani 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 Mario Mariani's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mario Mariani reassigns Medicare benefits to Memorial Health Partners Foundation, Inc (Chattanooga, TN). 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 Mario Mariani's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mario Mariani accept?
Health plans from Alliant Health Plans, Inc., Ambetter Health, Ambetter from Arkansas Health & Wellness, Ambetter of Alabama and Ambetter of North Carolina and 1 other insurer list Mario Mariani 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 Mario Mariani affiliated with any hospitals?
According to CMS data, Mario Mariani is affiliated with Memorial Healthcare System, Inc.
When was this NPI record last updated?
The NPPES record for Mario Mariani was last updated on August 8, 2008. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 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.