Active NPI
William John Malloy, CRNA
- Certified Registered Nurse Anesthetist
- Columbus, OH
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Certified Registered Nurse Anesthetist
- License
- RN-169856
- Practice address
- 111 S Grant Ave
FL 3
Columbus, OH 43215-4701 - Phone
- (614) 566-8808
- Fax
- (614) 566-9503
- NPI assigned
- Dec 15, 2005
- Last updated
- Jul 13, 2026
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 2
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Certified Registered Nurse Anesthetist | 367500000X | RN-169856 | OH | Primary |
| Certified Registered Nurse Anesthetist | 367500000X | NA-01538 | OH |
Addresses
Primary practice location
111 S Grant Ave
FL 3
Columbus, OH 43215-4701
Mailing address
1299 Olentangy River Rd
Ste 103
Columbus, OH 43212-3135
Phone (614) 566-4278
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Not listed in the public Medicare enrollment file
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Certified Registered Nurse
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| NA-01538 | OH | MD | Certified Registered Nurse Anesthetist |
| RN-169856 | OH | MD | Certified Registered Nurse Anesthetist |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Perioperative Medical Consutants Inc | Past | Accepting new patients | |
| Crna of Blanchard Valley LLC | Nurse Anesthetist, Certified Registered | Past | Accepting new patients |
| Grant Anesthesia Services LTD | Past | Accepting new patients | |
| Anesthesiology Consultants of Toledo, Inc | Past | Accepting new patients | |
| Consultant Anesthesiologists Inc | Past | Accepting new patients | |
| Ohiohealth Corporation | Past | Accepting new patients | |
| Blanchard Valley Regional Health Center | Nurse Anesthetist, Certified Registered | Past | Accepting new patients |
| Professional Anesthesia Service Inc | Past | Accepting new patients | |
| Eastside Anesthesia Group | Nurse Anesthetist, Certified Registered | Past | Accepting new patients |
| Dayton Osteopathic Hospital | Nurse Anesthetist, Certified Registered | Past | Accepting new patients |
| Wheeling Hospital, Inc. | Nurse Anesthetist, Certified Registered | Past | Accepting new patients |
| Zanesville Anesthesia Physicians Inc | Past | Accepting new patients | |
| Jefferson Memorial Hospital | Past | Accepting new patients |
Organizations & group practices 13
Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.
-
- Anesthesiology Physician
- Toledo, OH
- NPI 1366482119
-
dba Blanchard Valley Hospital
- Emergency Medicine Physician
- Findlay, OH
- NPI 1699718320
Nurse Anesthetist, Certified Registered
-
- Specialist
- Westerville, OH
- NPI 1457420580
-
- Certified Registered Nurse Anesthetist
- Findlay, OH
- NPI 1336196799
Nurse Anesthetist, Certified Registered
-
dba Grandview Hospital - Anesthesia
- Anesthesiology Physician
- Dayton, OH
- NPI 1902097280
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- Chesterland, OH
- NPI 1790733566
Nurse Anesthetist, Certified Registered
-
- Anesthesiology Physician
- Columbus, OH
- NPI 1366431132
-
dba OhioHealth Physician Group, Inc
- Family Medicine Physician
- Columbus, OH
- NPI 1578545273
-
- Anesthesiology Physician
- Fairfield, OH
- NPI 1124028162
-
- Anesthesiology Physician
- Akron, OH
- NPI 1770547408
-
- Anesthesiology Physician
- Zanesville, OH
- NPI 1982697546
-
- Anesthesiology Physician
- Ranson, WV
- NPI 1982704961
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1134604800000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1783900800000",
"number": "1982680658",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "1299 OLENTANGY RIVER RD",
"address_2": "STE 103",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432123135",
"telephone_number": "614-566-4278",
"fax_number": "614-566-5424"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "111 S GRANT AVE",
"address_2": "FL 3",
"city": "COLUMBUS",
"state": "OH",
"postal_code": "432154701",
"telephone_number": "614-566-8808",
"fax_number": "614-566-9503"
}
],
"practiceLocations": [],
"basic": {
"last_name": "MALLOY",
"first_name": "WILLIAM",
"middle_name": "JOHN",
"credential": "CRNA",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2005-12-15",
"last_updated": "2026-07-13",
"status": "A"
},
"taxonomies": [
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "OH",
"license": "RN-169856",
"primary": true
},
{
"code": "367500000X",
"taxonomy_group": "",
"desc": "Nurse Anesthetist, Certified Registered",
"state": "OH",
"license": "NA-01538",
"primary": false
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Columbus, OH
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.