Individual provider Active NPI

Almontasser Bella Kassier, MD

  • Internal Medicine Physician
  • Royal Oak, MI
National Provider Identifier
1023944642
Registry record updated Jun 22, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
License
4351056246 Issued in MI
Practice address
3535 W 13 Mile Rd
Royal Oak, MI 48073-6770
Phone
(248) 602-8715
NPI assigned
Jun 22, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 22, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Pediatrics Physician 208000000X 4351056246 MI
Internal Medicine Physician 207R00000X 4351056246 MI Primary

Addresses

Primary practice location

3535 W 13 Mile Rd
Royal Oak, MI 48073-6770

Mailing address

3535 W 13 Mile Rd
Royal Oak, MI 48073-6770
Phone (248) 602-8715

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file
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.

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled

NPI Registry JSON

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

{
    "created_epoch": "1782086400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1782086400000",
    "number": "1023944642",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3535 W 13 MILE RD",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736770",
            "telephone_number": "248-602-8715"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3535 W 13 MILE RD",
            "city": "ROYAL OAK",
            "state": "MI",
            "postal_code": "480736770",
            "telephone_number": "248-602-8715"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KASSIER",
        "first_name": "ALMONTASSER BELLA",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-06-22",
        "last_updated": "2026-06-22",
        "certification_date": "2026-06-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208000000X",
            "taxonomy_group": "",
            "desc": "Pediatrics",
            "state": "MI",
            "license": "4351056246",
            "primary": false
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "MI",
            "license": "4351056246",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Royal Oak, MI

Sources for this page

Verify at the official NPI Registry.