Organization Active NPI

Sassin and Associates

  • Case Management Agency
  • Tulsa, OK
National Provider Identifier
1255775243
Registry record updated Jan 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Case Management AgencyTaxonomy code 251B00000X
Legal business name
SASSIN AND ASSOCIATES
Practice address
3150 E 41St St Ste 112
Tulsa, OK 74105-3758
Phone
(918) 260-7898
NPI assigned
Apr 22, 2013
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Jan 12, 2026

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

Authorized official

Name
Dr. John Elias Sassin, PHD
Title
Ceo
Phone
(918) 260-7898

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Case Management Agency 251B00000X OK Primary

Addresses

Primary practice location

3150 E 41St St Ste 112
Tulsa, OK 74105-3758

Mailing address

3150 E 41St St Ste 112
Tulsa, OK 74105-3758
Phone (918) 260-7989

National Provider Directory

National Provider Directory

Locations

1860 E 15th St
Tulsa, OK 74104
Phone (918) 361-7978

3150 E 41st St
Ste 112
Tulsa, OK 74105
Phone (918) 260-7898

Practitioners & affiliated clinicians

Practitioners 10

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

NPI Registry JSON

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

{
    "created_epoch": "1366588800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1768176000000",
    "number": "1255775243",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "3150 E 41ST ST STE 112",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741053758",
            "telephone_number": "918-260-7989"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3150 E 41ST ST STE 112",
            "city": "TULSA",
            "state": "OK",
            "postal_code": "741053758",
            "telephone_number": "918-260-7898"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SASSIN AND ASSOCIATES",
        "organizational_subpart": "NO",
        "enumeration_date": "2013-04-22",
        "last_updated": "2026-01-12",
        "certification_date": "2026-01-12",
        "status": "A",
        "authorized_official_last_name": "SASSIN",
        "authorized_official_first_name": "JOHN",
        "authorized_official_middle_name": "ELIAS",
        "authorized_official_title_or_position": "CEO",
        "authorized_official_telephone_number": "918-260-7898",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "PHD"
    },
    "taxonomies": [
        {
            "code": "251B00000X",
            "taxonomy_group": "",
            "desc": "Case Management",
            "state": "OK",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Tulsa, OK

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.