Express RX Inc

Primary specialty

Durable Medical Equipment & Medical SuppliesTaxonomy code 332B00000X

Legal business name

EXPRESS RX INC

Practice address

2503 Beverly Blvd FL 1
Los Angeles, CA 90057-1000

Phone

(213) 353-0552

Fax

(213) 353-0562

NPI assigned

Jan 19, 2007

Organization subpart

No

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

Authorized official

Name

Mr. Boris Grinshteyn, PHARM DNPI 1700658515

Title

President/RPH

Phone

(213) 353-0552

Specialties & licenses 7

Addresses

Other names 1

• EXPRESS RX Doing business as

Medicare fee-for-service enrollment

Enrolled in CA2 enrollments

Enrollment records 2

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

Medicare medical equipment & supply locations

Tax ID family

1St Choice Sleep Diagnostics2 organizations share this tax ID, including this one

Other organizations with this tax ID 1

Organizations that report the same tax identification number in the National Provider Directory.

• Express RX Inc

  • Sleep Disorder Diagnostic Clinic/Center
  • Fresno, CA
  • NPI 1235684457
  NPD tax ID

Locations

Practitioners 1

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

• Boris Grinshteyn, PHARM D

  • Pharmacist
  • Los Angeles, CA
  • NPI 1700658515
  NPD Authorized official

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

{
    "created_epoch": "1169164800000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770940800000",
    "number": "1184777286",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2503 BEVERLY BLVD FL 1",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900571000",
            "telephone_number": "213-353-0552",
            "fax_number": "213-353-0562"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2503 BEVERLY BLVD FL 1",
            "city": "LOS ANGELES",
            "state": "CA",
            "postal_code": "900571000",
            "telephone_number": "213-353-0552",
            "fax_number": "213-353-0562"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "EXPRESS RX INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-19",
        "last_updated": "2026-02-13",
        "certification_date": "2026-02-13",
        "status": "A",
        "authorized_official_last_name": "GRINSHTEYN",
        "authorized_official_first_name": "BORIS",
        "authorized_official_title_or_position": "PRESIDENT/RPH",
        "authorized_official_telephone_number": "213-353-0552",
        "authorized_official_name_prefix": "Mr.",
        "authorized_official_credential": "PHARM D"
    },
    "taxonomies": [
        {
            "code": "261QS1200X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Sleep Disorder Diagnostic",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "332BC3200X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies, Customized Equipment",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "332BP3500X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies, Parenteral & Enteral Nutrition",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "332BX2000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies, Oxygen Equipment & Supplies",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "3336C0003X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Community/Retail Pharmacy",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "3336M0002X",
            "taxonomy_group": "",
            "desc": "Pharmacy, Mail Order Pharmacy",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "EXPRESS RX",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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• Durable Medical Equipment & Medical Supplies in Los Angeles, CA
• Providers in Los Angeles, CA by specialty
• Durable Medical Equipment & Medical Supplies in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.