NPIMap

Individual provider Active NPI

Zachary Bernard Tillett, MD

  • Emergency Medicine Physician
  • Las Vegas, NV
National Provider Identifier
1124656863
Registry record updated Aug 5, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
27167 Issued in NV
Practice address
1800 W Charleston Blvd
Las Vegas, NV 89102-2386
Phone
(702) 383-2000
NPI assigned
Mar 30, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Aug 5, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X MD23921 ME
Emergency Medicine Physician 207P00000X D97666 MD
Emergency Medicine Physician 207P00000X 27167 NV Primary

Addresses

Primary practice location

1800 W Charleston Blvd
Las Vegas, NV 89102-2386

Mailing address

1800 W Charleston Blvd
Las Vegas, NV 89102-2386
Phone (702) 383-2000

Other practice location 1

1 Medical Center Dr
Biddeford, ME 04005-9422
Phone (207) 283-7000

Other practice location 2

4940 Eastern Ave
Baltimore, MD 21224-2735
Phone (410) 955-5000

Other practice location 3

Maine Medical Center 22 Bramhall St.
Portland, ME 04102
Phone (207) 662-0111

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MD, NV2 enrollments
Eligible to order & refer
  • Part B services
  • Medical equipment
  • Home health
  • Power mobility devices
  • Hospice
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20230626003104 MD Practitioner - Emergency Medicine 2668896788 Reassigns benefits to 2 organizations
I20250611003056 NV Practitioner - Emergency Medicine 2668896788 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Eastern Virginia Medical School, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
University Medical Center of Southern NevadaGroup PAC ID 7315934429, 388 clinicians

Practice addresses (Care Compare)

1800 W Charleston Blvd
Las Vegas, NV 89102-2329
Phone (702) 383-2000

Hospital & facility affiliations

  • University Medical Center Hospital, Las Vegas, NV, CCN 290007

Merit-based Incentive Payment System (MIPS)

Final score
83.31 of 100Reported as group
Quality
73.89
Promoting interoperability
100
Improvement activities
40
Cost
70.47

Merit-based Incentive Payment System (MIPS)

Final score
81.6 of 100Reported as group
Quality
76.36
Improvement activities
40

National Provider Directory

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

Practice roles

OrganizationSpecialtyStatusNew patients
Emergency Medicine Associates P.a., P.C. Emergency Medicine CurrentSince Apr 1, 2024 Accepting new patients
Johns Hopkins University Current Accepting new patients
University Medical Center of Southern Nevada CurrentSince Jul 1, 2025 Accepting new patients
Johns Hopkins University CurrentSince Jun 1, 2023 Accepting new patients
University Medical Center of Southern Nevada CurrentSince Jul 1, 2025 Accepting new patients
Johns Hopkins University Emergency Medicine CurrentSince Jun 1, 2023 Accepting new patients
Emergency Medicine Associates P.a., P.C. CurrentSince Apr 1, 2024 Accepting new patients

Locations

4940 Eastern Ave
Baltimore, MD 21224

5755 Cedar Ln
Columbia, MD 21044
Phone (410) 381-7171

6201 Greenleigh Ave
Middle River, MD 21220
Phone (410) 933-2704

200 Memorial Ave
Westminster, MD 21157
Phone (410) 848-3000

1800 W Charleston Blvd
Las Vegas, NV 89102
Phone (702) 207-8253

Organizations & group practices 7

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 12

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

NPI Registry JSON

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1754352000000",
    "number": "1124656863",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1800 W CHARLESTON BLVD",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891022386",
            "telephone_number": "702-383-2000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 W CHARLESTON BLVD",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891022386",
            "telephone_number": "702-383-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Medical Center Dr",
            "address_purpose": "LOCATION",
            "city": "Biddeford",
            "state": "ME",
            "postal_code": "040059422",
            "country_code": "US",
            "telephone_number": "207-283-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "4940 Eastern Ave",
            "address_purpose": "LOCATION",
            "city": "Baltimore",
            "state": "MD",
            "postal_code": "212242735",
            "country_code": "US",
            "telephone_number": "410-955-5000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "Maine Medical Center 22 Bramhall St.",
            "address_purpose": "LOCATION",
            "city": "Portland",
            "state": "ME",
            "postal_code": "04102",
            "country_code": "US",
            "telephone_number": "207-662-0111",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "TILLETT",
        "first_name": "ZACHARY",
        "middle_name": "BERNARD",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2025-08-05",
        "certification_date": "2025-08-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "ME",
            "license": "MD23921",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "MD",
            "license": "D97666",
            "primary": false
        },
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "NV",
            "license": "27167",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Las Vegas, NV

Sources for this page

Verify at the official NPI Registry.