Mary Vaughn Greathouse, CRNA
Certified Registered Nurse Anesthetist (Crna) (CMS) · Columbus, OH
At a glance
520 W 10Th Ave, Columbus, OH 43210-1328
NPPES record updated Jul 22, 2026. Public records can lag behind changes at a practice.
Before you call: a quick checklist
- Are you accepting new patients?
- Do you accept my specific insurance plan?
- Do you provide the service I need at this address?
- Do I need a referral, and what is the earliest appointment?
Insurance participation and appointment availability are not established by these public records.
Medicare & insurance
Insurance participation is not established by these public records. Ask the practice and your insurer about your specific plan and this location.
How to check your coverage
Use your plan’s provider directory or the member-services number on your insurance card. Confirm the clinician, practice address, service, and whether a referral is required. A missing opt-out record does not establish Medicare acceptance.
Check the official Medicare directory ↗Practice location
520 W 10Th AveColumbus, OH 43210-1328
Additional reported practice locations
1900 23Rd StCuyahoga Falls, OH 442231404
Phone: 3309717000
Fax: 3302966535 4360 Fulton Dr Nw Ste B
Canton, OH 447182878
Phone: 3303052020
Fax: 3303059090
Education & affiliations
- Medical / professional school
- Not reported in this file
- Graduation year
- 2021
- CMS specialties
- Certified Registered Nurse Anesthetist (Crna)
Practice groups
- Camden-Clark Physician Corporation
- Lima Memorial Professional Corporation
- North Central Ohio Family Care Center Inc
- Somc Medical Care Foundation, Inc.
Reported hospital affiliations
- Avita Ontario Ontario, OH
- Bucyrus Community Hospital Bucyrus, OH
- Camden Clark Medical Center Parkersburg, WV
Graduation year does not establish years in practice. A reported affiliation does not establish employment, current admitting privileges, or insurance participation.
Source: CMS National Downloadable File · Published Oct 15, 2026.
Source: CMS Facility Affiliation Data · Published Oct 15, 2026.
Procedures in the public data
Reported activity can help you ask more informed questions about a practice’s services.
No displayed procedure-category record in this release. This does not mean the clinician performs no procedures.
CMS uses a one-year claims window with a reporting lag. Counts cover the Medicare activity included by CMS, not all patients. “1–10” is a published range. Volume is not a quality or outcomes score. Coverage and methodology
Source: CMS Utilization Data · Published Oct 15, 2026.
Find providers with a similar service mix
Compare 2024 published Medicare activity in the same reported specialty, here or in another city.
Industry-reported general payments
Includes reported transfers of value, such as meals, travel, or consulting. Payments do not establish improper conduct or quality of care. Research funding and ownership values are excluded from this total.
See payment purposes and reporting companies
Reported purposes
| Purpose | Amount |
|---|---|
| Food and beverage | $231.69 |
Reporting companies
| Company | Amount |
|---|---|
| TAKEDA PHARMACEUTICALS U.S.A., INC. | $73.28 |
| ABBVIE INC. | $65.45 |
| MERCK SHARP & DOHME LLC | $41.18 |
| SALIX PHARMACEUTICALS, A DIVISION OF BAUSCH HEALTH US, LLC | $20.68 |
| QOL MEDICAL, LLC | $15.71 |
| JANSSEN BIOTECH, INC. | $15.39 |
Source: CMS 2025 payments grouped by covered recipient and nature of payments · Published Jun 30, 2026.
Professional details: NPI, taxonomy & registry record
Registry details
- Primary taxonomy
- Certified Registered Nurse Anesthetist (Crna) (CMS)
- Taxonomy code
- 367500000X
- Enumeration date
- Jun 8, 2006
- Record updated
- Jul 22, 2026
More registry details
- Provider type
- Individual · Type 1
- Other reported name
- MARY C VAUGHN THOMAS
- Reported credentials
- CRNA
Reported taxonomies and licenses
367500000X · Primary
License reported: APRN.CRNA.08510 OH
License numbers and credentials are reported to NPPES; HCPList does not independently verify them.
Practice location
520 W 10Th AveColumbus, OH 43210-1328
- Phone
- (614) 293-8487
- Fax
- (614) 293-8153
Mailing address
700 ACKERMAN RD STE 2120COLUMBUS, OH 432021559
Information may be outdated or incomplete. Confirm details directly with the practice. HCPList is an independent directory and is not affiliated with CMS.
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