NPIMap

Individual provider Active NPI

Megan Dennis Tyson

  • Certified Registered Nurse Anesthetist
  • Greenville, SC
National Provider Identifier
1265811202
Registry record updated Mar 26, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Certified Registered Nurse AnesthetistTaxonomy code 367500000X
License
22604 Issued in SC
Practice address
7 Independence PT Ste 300
Greenville, SC 29615-4569
Phone
(864) 522-3700
Fax
(864) 522-3705
NPI assigned
May 22, 2015
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Mar 26, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Certified Registered Nurse Anesthetist 367500000X ARNP9310990 FL
Certified Registered Nurse Anesthetist 367500000X 22604 SC Primary

Addresses

Primary practice location

7 Independence PT Ste 300
Greenville, SC 29615-4569

Mailing address

300 E McBee Ave FL 4
Greenville, SC 29601-2842
Phone (864) 522-8603

Other practice location 1

830 S Buncombe Rd # Re
Greer, SC 29650-2400
Phone (864) 797-8000

Other names 1

  • Megan Wallace Dennis Former name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in NC, SC2 enrollments

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20171031000693 NC Practitioner - Certified Registered Nurse Anesthetist (Crna) 7911213061 Reassigns benefits to 2 organizations
I20190501002273 SC Practitioner - Certified Registered Nurse Anesthetist (Crna) 7911213061 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Certified Registered Nurse Anesthetist (Crna)
Education
Other, 2015
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices

Practice addresses (Care Compare)

4420 Lake Boone TRL
Raleigh, NC 27607-7505
Phone (919) 873-9533

7 Independence PT
Suite 300
Greenville, SC 29615-4569
Phone (864) 522-3700

Hospital & facility affiliations

Merit-based Incentive Payment System (MIPS)

Final score
94.7 of 100Reported as apm
Quality
89.4
Promoting interoperability
100
Improvement activities
40

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Certified Registered Nurse

State licenses

LicenseStateTypeSpecialty
22604SCMDCertified Registered Nurse Anesthetist

Practice roles

OrganizationSpecialtyStatusNew patients
Raleigh Sedation Associates LLC Nurse Anesthetist, Certified Registered CurrentSince Mar 1, 2025 Accepting new patients
American Anesthesiology of North Carolina, PLLC Nurse Anesthetist, Certified Registered CurrentSince Jun 1, 2025 Accepting new patients
American Anesthesiology of North Carolina, PLLC Nurse Anesthetist, Certified Registered CurrentSince Jun 1, 2025 Accepting new patients

Locations

200 Hawthorne Ln
Charlotte, NC 28204
Phone (704) 377-2424

14215 Ballantyne Corporate Pl
Ste 210
Charlotte, NC 28277
Phone (704) 316-2650

3100 Spring Forest Rd
Ste 130
Raleigh, NC 27616
Phone (919) 882-0705

2417 Atrium Dr
Ste 101
Raleigh, NC 27607
Phone (919) 249-5216

4420 Lake Boone Trl
Raleigh, NC 27607
Phone (919) 784-3034

612 Mocksville Ave
Salisbury, NC 28144
Phone (704) 210-5000

Networks

  • Freedom Health HMO Network

Organizations & group practices 4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

Hospital & facility affiliations 44

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

View all 44

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1432252800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1774483200000",
    "number": "1265811202",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 E MCBEE AVE FL 4",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296012842",
            "telephone_number": "864-522-8603"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "7 INDEPENDENCE PT STE 300",
            "city": "GREENVILLE",
            "state": "SC",
            "postal_code": "296154569",
            "telephone_number": "864-522-3700",
            "fax_number": "864-522-3705"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "830 S Buncombe Rd # Re",
            "address_purpose": "LOCATION",
            "city": "Greer",
            "state": "SC",
            "postal_code": "296502400",
            "country_code": "US",
            "telephone_number": "864-797-8000",
            "fax_number": "865-560-7066",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TYSON",
        "first_name": "MEGAN",
        "middle_name": "DENNIS",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2015-05-22",
        "last_updated": "2026-03-26",
        "certification_date": "2026-03-26",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "FL",
            "license": "ARNP9310990",
            "primary": false
        },
        {
            "code": "367500000X",
            "taxonomy_group": "",
            "desc": "Nurse Anesthetist, Certified Registered",
            "state": "SC",
            "license": "22604",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MEGAN",
            "last_name": "DENNIS",
            "middle_name": "WALLACE",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

Other providers in Greenville, SC

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 26, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.