DR. GREGORY ANGELO MATHIOS D.O.
NPI 1265796528
Emergency Medicine in Toledo, OH
About Dr. Gregory Angelo Mathios D.o. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. GREGORY ANGELO MATHIOS D.O. (NPI 1265796528) is an individual emergency medicine provider in Toledo, Ohio, licensed in Texas (Q2800) and active in the NPI registry since July 2012. He is enrolled in Medicare PECOS, is affiliated with Medical City Denton, and maintains a secondary practice location in Fort Worth.
NPPES Registry Identity
Specialties & Licenses
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
Dr. Gregory Angelo Mathios D.o. 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
7Medicare enrollment records show Gregory Mathios reassigns Medicare billing to 7 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Longview, TX 75601
- Reassigned Medicare billing, Texas enrollment
- 154 clinicians in this Medicare group
Frisco, TX 75033
- Reassigned Medicare billing, Texas enrollment
- 90 clinicians in this Medicare group
Frisco, TX 75033
- Reassigned Medicare billing, Texas enrollment
- 89 clinicians in this Medicare group
Lewisville, TX 75067
- Reassigned Medicare billing, Texas enrollment
- 58 clinicians in this Medicare group
Decatur, TX 76234
- Reassigned Medicare billing, Texas enrollment
- 73 clinicians in this Medicare group
Fort Worth, TX 76112
- Reassigned Medicare billing, Texas enrollment
- 545 clinicians in this Medicare group
Lubbock, TX 79401
- Reassigned Medicare billing, Texas enrollment
- 1,439 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 5
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.
Medical City Denton
Acute Care Hospitals · Denton, TXPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43608 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.
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.
TOLEDO, OH 43608
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 Gregory Mathios's NPI number?
The NPI number for Gregory Mathios is 1265796528. It was assigned to this individual provider in the NPPES registry on July 1, 2012.
Where is Gregory Mathios located?
Gregory Mathios practices at 2213 Cherry St, Toledo, OH 43608. The listed phone number is (419) 251-3232.
What is Gregory Mathios's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Gregory Mathios enrolled in Medicare?
Yes. Gregory Mathios 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 Gregory Mathios's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gregory Mathios reassigns Medicare benefits to 7 organizations: Acute Care Specialists (Longview, TX), El Dorado Urgent Care, PLLC (Frisco, TX), Woodbridge Physicians Staffing Group, PLLC (Frisco, TX), Synergy Emergency Consultants, PLLC (Lewisville, TX), Wise Emergency Medicine Associates PA (Decatur, TX) and 2 more organizations, listed in the Medicare section above. 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 Gregory Mathios's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gregory Mathios accept?
Health plans from Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Cigna Healthcare and Oscar Insurance Company list Gregory Mathios 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 Gregory Mathios affiliated with any hospitals?
According to CMS data, Gregory Mathios is affiliated with Medical City Denton.
When was this NPI record last updated?
The NPPES record for Gregory Mathios was last updated on October 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months 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.