MR. THOMAS MCMASTER II C.R.N.A.
NPI 1871586537
Nurse Anesthetist, Certified Registered in Chardon, OH
About Mr. Thomas Mcmaster Ii C.r.n.a. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MR. THOMAS MCMASTER II C.R.N.A. (NPI 1871586537) is an individual nurse anesthetist, certified registered in Chardon, Ohio, licensed in Ohio (235002) and active in the NPI registry since August 2005. He is a graduate of Other (1995).
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. Thomas Mcmaster Ii C.r.n.a. 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 Thomas Mcmaster reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chardon, OH 44024
- Reassigned Medicare billing, Ohio enrollment
- 40 clinicians in this Medicare group
Chagrin Falls, OH 44023
- Reassigned Medicare billing, Ohio enrollment
- 42 clinicians in this Medicare group
Geneva, OH 44041
- Reassigned Medicare billing, Ohio enrollment
- 79 clinicians in this Medicare group
Bradenton, FL 34208
- Reassigned Medicare billing, Ohio enrollment
- 111 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
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 44024 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.
CHARDON, OH 44024
CHARDON, OH 44024
CHARDON, OH 44024
CHARDON, OH 44024
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 Thomas Mcmaster's NPI number?
The NPI number for Thomas Mcmaster is 1871586537. It was assigned to this individual provider in the NPPES registry on August 29, 2005.
Where is Thomas Mcmaster located?
Thomas Mcmaster practices at 13207 Ravenna Rd Geauga Hospital, Chardon, OH 44024. The listed phone number is (440) 285-6000.
What is Thomas Mcmaster's specialty?
The primary specialty registered for this NPI is Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.
Is Thomas Mcmaster enrolled in Medicare?
Yes. Thomas Mcmaster 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 Thomas Mcmaster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Thomas Mcmaster reassigns Medicare benefits to 4 organizations: Safe Anesthesia Chardon LLC (Chardon, OH), Lake Erie Sedation Associates, LLC (Chagrin Falls, OH), Safe Anesthesia Geneva LLC (Geneva, OH) and Anesthesia Dynamics LLC (Bradenton, FL). 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 Thomas Mcmaster's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Thomas Mcmaster accept?
Health plans from CareSource list Thomas Mcmaster 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.
When was this NPI record last updated?
The NPPES record for Thomas Mcmaster was last updated on December 23, 2013. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 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. Thomas Mcmaster II, C.R.N.A. · NPI 1871586537
Nurse Anesthetist, Certified Registered physician in Chardon, Ohio. Individual provider, active in the CMS NPPES registry since August 29, 2005.
## Identity
- **NPI:** 1871586537 (Entity type: Individual)
- **Enumerated:** August 29, 2005
- **Primary specialty:** Nurse Anesthetist, Certified Registered · taxonomy 367500000X
- **State license:** 235002 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 13207 RAVENNA RD, GEAUGA HOSPITAL, Chardon, OH 44024-7032
- **Phone:** (440) 285-6000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Safe Anesthesia Chardon LLC (NPI 1740599976, Chardon, OH); Lake Erie Sedation Associates, LLC (NPI 1265927594, Chagrin Falls, OH); Safe Anesthesia Geneva LLC (NPI 1821327636, Geneva, OH); Anesthesia Dynamics LLC (NPI 1073001012, Bradenton, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 1995
## Record status
- **NPPES last updated:** December 23, 2013
- **Other identifiers:** Medicare ID-Type Unspecified MC8217907 (OH); Medicaid 0207556 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1871586537) · Data from the CMS NPPES public registry.