Onsite Medical Solutions Inc

Primary specialty

Family Medicine PhysicianTaxonomy code 207Q00000X

Legal business name

ONSITE MEDICAL SOLUTIONS INC

Practice address

4100 W Alameda Ave Ste 300
Burbank, CA 91505-4153

Phone

(818) 698-1401

NPI assigned

Aug 11, 2025

Organization subpart

No

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

Authorized official

Name

Ms. Marta Corwin

Title

Office Manager

Phone

(413) 626-3610

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Enrolled in CA

Enrollment records 1

Practitioners 3

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

• Tabish Aftab Naz, MD

  • Sleep Medicine (Family Medicine) Physician
  • Madera, CA
  • NPI 1245899988
  Medicare reassignment NPD
• Karmen A Nguyen, NP-C

  • Nurse Practitioner
  • Sherman Oaks, CA
  • NPI 1700455714
  Medicare reassignment
• Teresa Ruiz Gonzales, PNP

  • Neonatal Intensive Care Registered Nurse
  • Ramona, CA
  • NPI 1376284802
  NPD (past)

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

{
    "created_epoch": "1754870400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1754870400000",
    "number": "1952286569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15200 RAYNETA DR",
            "city": "SHERMAN OAKS",
            "state": "CA",
            "postal_code": "914034430",
            "telephone_number": "818-698-1401"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4100 W ALAMEDA AVE STE 300",
            "city": "BURBANK",
            "state": "CA",
            "postal_code": "915054153",
            "telephone_number": "818-698-1401"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ONSITE MEDICAL SOLUTIONS INC",
        "organizational_subpart": "NO",
        "enumeration_date": "2025-08-11",
        "last_updated": "2025-08-11",
        "certification_date": "2025-08-04",
        "status": "A",
        "authorized_official_last_name": "CORWIN",
        "authorized_official_first_name": "MARTA",
        "authorized_official_title_or_position": "OFFICE MANAGER",
        "authorized_official_telephone_number": "413-626-3610",
        "authorized_official_name_prefix": "Ms."
    },
    "taxonomies": [
        {
            "code": "207Q00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Family Medicine",
            "state": null,
            "license": null,
            "primary": true
        },
        {
            "code": "332B00000X",
            "taxonomy_group": "",
            "desc": "Durable Medical Equipment & Medical Supplies",
            "state": null,
            "license": null,
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Sofia Catalina Ontiveros
• Open Arms Behavioral Center Inc
• Michael Opene, M.D.
• Optilife Surgery Center Inc

• Family Medicine Physician in Burbank, CA
• Providers in Burbank, CA by specialty
• Family Medicine Physician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 11, 2025; 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.