Individual provider Active NPI

William Aitken

  • Cardiovascular Disease Physician
  • Las Vegas, NV
National Provider Identifier
1861883563
Registry record updated Aug 7, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Cardiovascular Disease PhysicianTaxonomy code 207RC0000X
License
28881 Issued in NV
Practice address
10040 Alta Dr Ste 350
Las Vegas, NV 89145-8658
Phone
(702) 360-7600
Fax
(702) 363-3814
NPI assigned
Feb 17, 2015
Last updated
Aug 7, 2026By the provider in NPPES
Sex
Male
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Aug 7, 2026

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

Specialties & licenses 4

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X 125070082 IL
Internal Medicine Physician 207R00000X TRN28047 FL
Cardiovascular Disease Physician 207RC0000X 71854 TN
Cardiovascular Disease Physician 207RC0000X 28881 NV Primary

Addresses

Primary practice location

10040 Alta Dr Ste 350
Las Vegas, NV 89145-8658

Mailing address

6355 S Buffalo Dr FL 3
Las Vegas, NV 89113-2133
Phone (702) 216-3346

Other practice location 1

1211 Union Ave Ste 965
Memphis, TN 38104-6638
Phone (901) 435-8550

Other practice location 2

1251 Wesley Dr Ste 100
Memphis, TN 38116-6442
Phone (901) 435-8550

Other identifiers 2

IdentifierTypeStateIssuer
1861883563MedicaidNV
28881OtherNVLICENSE

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in FL, TN, NV3 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 3

Enrollment IDStateProvider typePAC IDDetails
I20230726003034 FL Practitioner - Cardiovascular Disease (Cardiology) 4385900380 Reassigns benefits to 1 organization
I20240730004554 TN Practitioner - Cardiovascular Disease (Cardiology) 4385900380 Reassigns benefits to 1 organization
I20260618002629 NV Practitioner - Cardiovascular Disease (Cardiology) 4385900380

Care Compare profile

Medicare Care Compare
Specialty
Cardiovascular Disease (Cardiology)
Education
Other, 2017
Medicare assignment
May accept Medicare assignment

Practice addresses (Care Compare)

6355 S Buffalo Dr
FL 3
Las Vegas, NV 89113-2133

6355 S Buffalo Dr FL
Suite 3
Las Vegas, NV 89113-2133

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
TRN28047FLMDInternal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Specialty Physician Group LLC Cardiovascular Disease CurrentSince Jul 29, 2024 Accepting new patients
Lee Memorial Health System CurrentSince Jul 24, 2023 Accepting new patients
Lee Memorial Health System CurrentSince Jul 24, 2023 Accepting new patients
Lee Memorial Health System Internal Medicine Current Accepting new patients
Methodist Healthcare - Memphis Hospitals PastSince Jul 29, 2024 Accepting new patients
Intermountain Medical Holdings Nevada Inc Cardiovascular Disease PastSince Aug 3, 2026 Accepting new patients

Locations

708 Del Prado Blvd S
Ste 7
Cape Coral, FL 33990
Phone (239) 424-3660

8931 Colonial Center Dr
Ste 401
Fort Myers, FL 33905
Phone (239) 424-2030

1211 Union Ave
Ste 330
Memphis, TN 38104
Phone (901) 478-0954

1211 Union Ave
Ste 965
Memphis, TN 38104
Phone (901) 435-8550

1251 Wesley Dr
Ste 100
Memphis, TN 38116
Phone (901) 332-9632

7460 Wolf River Blvd
Memphis, TN 38138
Phone (901) 516-6792

Interoperability endpoints

  • Direct secure messaging: waitken45414@mlh.direct-ci.com

Organizations & group practices 6

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.

NPI Registry JSON

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

{
    "created_epoch": "1424131200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1786060800000",
    "number": "1861883563",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "6355 S BUFFALO DR FL 3",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891132133",
            "telephone_number": "702-216-3346"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10040 ALTA DR STE 350",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891458658",
            "telephone_number": "702-360-7600",
            "fax_number": "702-363-3814"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1211 Union Ave Ste 965",
            "address_purpose": "LOCATION",
            "city": "Memphis",
            "state": "TN",
            "postal_code": "381046638",
            "country_code": "US",
            "telephone_number": "901-435-8550",
            "fax_number": "901-478-0781",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1251 Wesley Dr Ste 100",
            "address_purpose": "LOCATION",
            "city": "Memphis",
            "state": "TN",
            "postal_code": "381166442",
            "country_code": "US",
            "telephone_number": "901-435-8550",
            "fax_number": "901-395-2621",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "AITKEN",
        "first_name": "WILLIAM",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2015-02-17",
        "last_updated": "2026-08-07",
        "certification_date": "2026-08-07",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "IL",
            "license": "125070082",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "FL",
            "license": "TRN28047",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "TN",
            "license": "71854",
            "primary": false
        },
        {
            "code": "207RC0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Cardiovascular Disease",
            "state": "NV",
            "license": "28881",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "1861883563",
            "state": "NV"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "LICENSE",
            "identifier": "28881",
            "state": "NV"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Las Vegas, NV

Sources for this page

Verify at the official NPI Registry.