MR. MARK A DENNISON CRNA
NPI 1730118134
Nurse Anesthetist, Certified Registered in Mansfield, OH
About Mr. Mark A Dennison Crna NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. MARK A DENNISON CRNA (NPI 1730118134) is an individual nurse anesthetist, certified registered in Mansfield, Ohio, licensed in Ohio (RN293506) and active in the NPI registry since June 2006. He is affiliated with Avita Ontario and is a graduate of Other (2005).
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 2
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
Mr. Mark A Dennison Crna 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
8Medicare enrollment records show Mark Dennison reassigns Medicare billing to 8 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Mansfield, OH 44907
- Reassigned Medicare billing, Ohio enrollment
- 40 clinicians in this Medicare group
Mansfield, OH 44903
- Reassigned Medicare billing, Ohio enrollment
- 43 clinicians in this Medicare group
Mansfield, OH 44906
- Reassigned Medicare billing, Ohio enrollment
- 9 clinicians in this Medicare group
Galion, OH 44833
- Reassigned Medicare billing, Ohio enrollment
- 67 clinicians in this Medicare group
Galion, OH 44833
- Reassigned Medicare billing, Ohio enrollment
- 252 clinicians in this Medicare group
Bucyrus, OH 44820
- Reassigned Medicare billing, Ohio enrollment
- 29 clinicians in this Medicare group
Willard, OH 44890
- Reassigned Medicare billing, Ohio enrollment
- 30 clinicians in this Medicare group
Columbus, OH 43213
- Reassigned Medicare billing, Ohio enrollment
- 31 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 3
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Avita Ontario
Acute Care Hospitals · Ontario, OHBucyrus Community Hospital
Critical Access Hospitals · Bucyrus, OHGalion Community Hospital
Critical Access Hospitals · Galion, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44907 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.
MANSFIELD, OH 44907
MANSFIELD, OH 44907
MANSFIELD, OH 44907
MANSFIELD, OH 44907
MANSFIELD, OH 44907
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 Dennison's NPI number?
The NPI number for Mark Dennison is 1730118134. It was assigned to this individual provider in the NPPES registry on June 30, 2006.
Where is Mark Dennison located?
Mark Dennison practices at 799 Lexington Ave, Mansfield, OH 44907. The listed phone number is (419) 756-5133.
What is Mark Dennison's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Mark Dennison enrolled in Medicare?
Yes. Mark Dennison 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 Dennison's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mark Dennison reassigns Medicare benefits to 8 organizations: Anesthesia Associates Of Mansfield, Inc (Mansfield, OH), Malabar Anesthesia Services Inc (Mansfield, OH), Ohio Eye Associates, Inc. (Mansfield, OH), Galion Community Hospital (Galion, OH), North Central Ohio Family Care Center, Inc (Galion, OH) and 3 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 Mark Dennison's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Mark Dennison accept?
Health plans from CareSource and Paramount list Mark Dennison 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 Dennison affiliated with any hospitals?
According to CMS data, Mark Dennison is affiliated with Avita Ontario, Bucyrus Community Hospital and Galion Community Hospital.
When was this NPI record last updated?
The NPPES record for Mark Dennison was last updated on July 9, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.
# Mr. Mark A Dennison, CRNA · NPI 1730118134
Nurse Anesthetist, Certified Registered physician in Mansfield, Ohio. Individual provider, active in the CMS NPPES registry since June 30, 2006.
## Identity
- **NPI:** 1730118134 (Entity type: Individual)
- **Enumerated:** June 30, 2006
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** RN293506 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 799 LEXINGTON AVE, Mansfield, OH 44907-1906
- **Phone:** (419) 756-5133 · **Fax:** (419) 774-9707
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 8 organizations under Medicare reassignment (form CMS-855R): Anesthesia Associates Of Mansfield, Inc (NPI 1407947815, Mansfield, OH); Malabar Anesthesia Services Inc (NPI 1922497940, Mansfield, OH); Ohio Eye Associates, Inc. (NPI 1427091164, Mansfield, OH); Galion Community Hospital (NPI 1215907522, Galion, OH); North Central Ohio Family Care Center, Inc (NPI 1689822827, Galion, OH); and 3 more · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2005
## Record status
- **NPPES last updated:** July 9, 2007
- **Other identifiers:** Medicaid 2650457 (OH); Medicare ID-Type Unspecified 8236951 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1730118134) · Data from the CMS NPPES public registry.