Organization Active NPI

Accessnow Walk-in Care PLLC

  • Family Medicine Physician
  • Portage, MI
National Provider Identifier
1194674135
Registry record updated Jan 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
Legal business name
ACCESSNOW WALK-IN CARE PLLC
Practice address
8145 Valleywood Lane
Suite B
Portage, MI 49024-5296
Phone
(313) 477-7553
NPI assigned
Jan 23, 2026
Last updated
Jan 23, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 23, 2026

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

Authorized official

Name
Dr. Mahmoud Kassir, MDNPI 1588154322
Title
Owner
Phone
(313) 505-0595

Authorized official NPPES reports the official by name only. The link goes to the one practitioner connected to this organization with that name.

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Family Medicine Physician 207Q00000X NU Primary

Addresses

Primary practice location

8145 Valleywood Lane
Suite B
Portage, MI 49024-5296

Mailing address

8145 Valleywood Lane
Suite B
Portage, MI 49024-5296
Phone (313) 477-7553

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in MI

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20260217002187 MI Part B Supplier - Clinic/Group Practice 5698255826 Receives reassigned benefits from 3 practitioners
Practice locations: Portage, MI

National Provider Directory

National Provider Directory

Practitioners & affiliated clinicians

Practitioners 3

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

NPI Registry JSON

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

{
    "created_epoch": "1769126400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1769126400000",
    "number": "1194674135",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "8145 VALLEYWOOD LANE",
            "address_2": "SUITE B",
            "city": "PORTAGE",
            "state": "MI",
            "postal_code": "490245296",
            "telephone_number": "313-477-7553"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "8145 VALLEYWOOD LANE",
            "address_2": "SUITE B",
            "city": "PORTAGE",
            "state": "MI",
            "postal_code": "490245296",
            "telephone_number": "313-477-7553"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ACCESSNOW WALK-IN CARE PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-01-23",
        "last_updated": "2026-01-23",
        "certification_date": "2026-01-23",
        "status": "A",
        "authorized_official_last_name": "KASSIR",
        "authorized_official_first_name": "MAHMOUD",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "313-505-0595",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Portage, MI

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.