MARK A GUZZO M.D.
NPI 1609816297
Emergency Medicine in Toledo, OH
About Mark A Guzzo M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARK A GUZZO M.D. (NPI 1609816297) is an individual emergency medicine provider in Toledo, Ohio, licensed in Pennsylvania (MD424803) and active in the NPI registry since June 2006. He is enrolled in Medicare PECOS, is affiliated with Lima Memorial Health System, and is a graduate of Columbia University College Of Physicians And Surgeons (2002).
NPPES Registry Identity
Specialties & Licenses
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
Mark A Guzzo 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
6Medicare enrollment records show Mark Guzzo reassigns Medicare billing to 6 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43606
- Reassigned Medicare billing, Michigan and Ohio enrollments
- 95 clinicians in this Medicare group
Toledo, OH 43606
- Reassigned Medicare billing, Ohio enrollment
- 124 clinicians in this Medicare group
Toledo, OH 43606
- Reassigned Medicare billing, Ohio enrollment
- 375 clinicians in this Medicare group
Saint Marys, OH 45885
- Reassigned Medicare billing, Ohio enrollment
- 73 clinicians in this Medicare group
Randleman, NC 27317
- Reassigned Medicare billing, North Carolina enrollment
- 98 clinicians in this Medicare group
Asheboro, NC 27203
- Reassigned Medicare billing, North Carolina enrollment
- 24 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 4
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 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Lima Memorial Health System
Acute Care Hospitals · Lima, OHPromedica Toledo Hospital
Acute Care Hospitals · Toledo, OHMemorial Hospital
Acute Care Hospitals · Fremont, OHPromedica Defiance Regional Hospital
Critical Access Hospitals · Defiance, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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 43606
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 Mark Guzzo's NPI number?
The NPI number for Mark Guzzo is 1609816297. It was assigned to this individual provider in the NPPES registry on June 8, 2006.
Where is Mark Guzzo located?
Mark Guzzo practices at 2142 N Cove Blvd, Toledo, OH 43606. The listed phone number is (419) 291-4000.
What is Mark Guzzo's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Mark Guzzo enrolled in Medicare?
Yes. Mark Guzzo 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 Mark Guzzo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Guzzo reassigns Medicare benefits to 6 organizations: Emergency Physicians Of Northwest Ohio Inc. (Toledo, OH), Observation Physicians Of Northwest Ohio LLC (Toledo, OH), The Toledo Hospital (Toledo, OH), Joint Township District Memorial Hospital (Saint Marys, OH), American Healthcare Systems, LLC (Randleman, NC) and 1 more organization, 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 Mark Guzzo's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Guzzo accept?
Health plans from Blue Care Network of Michigan and Blue Cross Blue Shield of Michigan Mutual Insurance Company list Mark Guzzo 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 Mark Guzzo affiliated with any hospitals?
According to CMS data, Mark Guzzo is affiliated with Lima Memorial Health System, Promedica Toledo Hospital, Memorial Hospital and Promedica Defiance Regional Hospital.
When was this NPI record last updated?
The NPPES record for Mark Guzzo was last updated on July 5, 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.
# Mark A Guzzo, M.D. · NPI 1609816297
Emergency Medicine physician in Toledo, Ohio. Individual provider, active in the CMS NPPES registry since June 8, 2006.
## Identity
- **NPI:** 1609816297 (Entity type: Individual)
- **Enumerated:** June 8, 2006
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** MD424803 (Pennsylvania)
- **Sole proprietor:** No
## Practice location
- **Address:** 2142 N COVE BLVD, Toledo, OH 43606-3895
- **Phone:** (419) 291-4000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 6 organizations under Medicare reassignment (form CMS-855R): Emergency Physicians Of Northwest Ohio Inc. (NPI 1043274418, Toledo, OH); Observation Physicians Of Northwest Ohio LLC (NPI 1700462967, Toledo, OH); The Toledo Hospital (NPI 1407854771, Toledo, OH); Joint Township District Memorial Hospital (NPI 1639133002, Saint Marys, OH); American Healthcare Systems, LLC (NPI 1699360735, Randleman, NC); and 1 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Columbia University College Of Physicians And Surgeons, class of 2002
## Record status
- **NPPES last updated:** July 5, 2024
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Source: [NPI Profile](https://npiprofile.com/npi/1609816297) · Data from the CMS NPPES public registry.