Individual provider Active NPI

Matthew Aaron Lamb, M.D.

  • Emergency Medicine Physician
  • Fort Smith, AR
National Provider Identifier
1346582509
Registry record updated Jul 10, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Emergency Medicine PhysicianTaxonomy code 207P00000X
License
E9355 Issued in AR
Practice address
612 S 12TH St
Fort Smith, AR 72901-4702
Phone
(479) 424-3193
NPI assigned
Mar 26, 2013
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jul 10, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Emergency Medicine Physician 207P00000X E9355 AR Primary

Addresses

Primary practice location

612 S 12TH St
Fort Smith, AR 72901-4702

Mailing address

3337 Sunset Hwy
East Wenatchee, WA 98802-8608
Phone (509) 393-8298

Other names 1

  • Dr. Matthew Aaron Lamb Professional name

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in WA
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 1

Enrollment IDStateProvider typePAC IDDetails
I20160922001840 WA Practitioner - Emergency Medicine 6406167121 Reassigns benefits to 2 organizations

Care Compare profile

Medicare Care Compare
Specialty
Emergency Medicine
Education
Other, 2012
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Northwest Hospital Medicine Physicians LLCGroup PAC ID 6406805449, 67 clinicians
Northwest Emergency Physicians LLCGroup PAC ID 3476462334, 267 clinicians

Practice addresses (Care Compare)

3810 Plaza Way
Kennewick, WA 99338-2722
Phone (509) 221-7000

520 N 4TH Ave
Pasco, WA 99301-5257
Phone (509) 547-7704

Hospital & facility affiliations

  • Lourdes Medical Center Hospital, Pasco, WA, CCN 501337
  • Lourdes Medical Center Inpatient rehabilitation facility, Pasco, WA, CCN 50R337

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
E9355ARMDEmergency Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Northwest Emergency Physicians LLC Emergency Medicine CurrentSince Jul 1, 2022 Accepting new patients
Lourdes Hospital LLC Past Accepting new patients

Locations

520 N 4th Ave
Pasco, WA 99301
Phone (509) 544-6140

888 Swift Blvd
Richland, WA 99352
Phone (509) 942-2115

11315 Bridgeport Way SW
Tacoma, WA 98499
Phone (253) 588-1711

Organizations & group practices 3

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 2

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": "1364256000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783641600000",
    "number": "1346582509",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3337 SUNSET HWY",
            "city": "EAST WENATCHEE",
            "state": "WA",
            "postal_code": "988028608",
            "telephone_number": "509-393-8298"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "612 S 12TH ST",
            "city": "FORT SMITH",
            "state": "AR",
            "postal_code": "729014702",
            "telephone_number": "479-424-3193"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "LAMB",
        "first_name": "MATTHEW",
        "middle_name": "AARON",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2013-03-26",
        "last_updated": "2026-07-10",
        "certification_date": "2026-07-10",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207P00000X",
            "taxonomy_group": "",
            "desc": "Emergency Medicine",
            "state": "AR",
            "license": "E9355",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "MATTHEW",
            "last_name": "LAMB",
            "middle_name": "AARON",
            "prefix": "DR.",
            "credential": "M.D.",
            "code": "2",
            "type": "Professional Name"
        }
    ]
}

Other providers in Fort Smith, AR

Sources for this page

Verify at the official NPI Registry.