TYLER MARK MD
NPI 1720667751
Emergency Medicine in Lima, OH
About Tyler Mark Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
TYLER MARK MD (NPI 1720667751) is an individual emergency medicine provider in Lima, Ohio, licensed in Ohio (35.149066) and active in the NPI registry since April 2021. He is enrolled in Medicare PECOS, is affiliated with Mercy Health-st Rita's Medical Center, and is a graduate of Other (2020).
NPPES Registry Identity
Specialties & Licenses
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
Tyler Mark 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 Reassignments
4Medicare enrollment records show Tyler Mark reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Toledo, OH 43608
- Reassigned Medicare billing, Ohio enrollment
- 277 clinicians in this Medicare group
Columbus, OH 43215
- Reassigned Medicare billing, Ohio enrollment
- 474 clinicians in this Medicare group
Seaman, OH 45679
- Reassigned Medicare billing, Ohio enrollment
- 894 clinicians in this Medicare group
- Reassigned Medicare billing, Ohio enrollment
- 179 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 3
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.
Mercy Health-St Rita's Medical Center
Acute Care Hospitals · Lima, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 45801 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.
LIMA, OH 45801
LIMA, OH 45801
LIMA, OH 45801
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 Tyler Mark's NPI number?
The NPI number for Tyler Mark is 1720667751. It was assigned to this individual provider in the NPPES registry on April 6, 2021.
Where is Tyler Mark located?
Tyler Mark practices at 730 W Market St, Lima, OH 45801. The listed phone number is (419) 226-9637.
What is Tyler Mark's specialty?
The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.
Is Tyler Mark enrolled in Medicare?
Yes. Tyler Mark 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 Tyler Mark's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Tyler Mark reassigns Medicare benefits to 4 organizations: Mercy Emergency Care Services, Inc. (Toledo, OH), Ohio Emergency Professionals Inc (Columbus, OH), Emergency Professional Services, Inc. (Seaman, OH) and Ohio Emergency Care Services Inc (OH). 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 Tyler Mark's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
Is Tyler Mark affiliated with any hospitals?
According to CMS data, Tyler Mark is affiliated with Mercy Health-St Rita's Medical Center.
When was this NPI record last updated?
The NPPES record for Tyler Mark was last updated on February 13, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 20 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.
# Tyler Mark, MD · NPI 1720667751
Emergency Medicine physician in Lima, Ohio. Individual provider, active in the CMS NPPES registry since April 6, 2021.
## Identity
- **NPI:** 1720667751 (Entity type: Individual)
- **Enumerated:** April 6, 2021
- **Primary specialty:** Emergency Medicine · taxonomy 207P00000X
- **State license:** 35.149066 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 730 W MARKET ST, Lima, OH 45801-4602
- **Phone:** (419) 226-9637
## 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:** 4 organizations under Medicare reassignment (form CMS-855R): Mercy Emergency Care Services, Inc. (NPI 1477957819, Toledo, OH); Ohio Emergency Professionals Inc (NPI 1982983425, Columbus, OH); Emergency Professional Services, Inc. (NPI 1093762353, Seaman, OH); Ohio Emergency Care Services Inc (OH) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2020
## Record status
- **NPPES last updated:** February 13, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1720667751) · Data from the CMS NPPES public registry.