Spear Institute

Primary specialty

Orthopaedic Surgery of the Spine PhysicianTaxonomy code 207XS0117X

Legal business name

SPEAR INSTITUTE

Practice address

1783 E Sahuaro Blossom PL
Tucson, AZ 85718-7880

Phone

(217) 691-7775

NPI assigned

Jun 2, 2026

Organization subpart

Yes

Parent organization

GANAPATHY MEDICAL PCAs reported in NPPES

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

Authorized official

Name

Dr. Venkatanarayanan Ganapathy, MD, FRCS(C)

Title

Director

Phone

(217) 691-7775

Specialties & licenses 1

Addresses

Tax ID family

Spear Institute2 organizations share this tax ID, including this one

Part of

Spear Institute

Other organizations with this tax ID 1

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

• Ganapathy Medical PC

  • Orthopaedic Surgery of the Spine Physician
  • Tucson, AZ
  • NPI 1255263349
  NPD tax ID

Parent organization (reported in NPPES) 1

This organization reports itself as a subpart in NPPES; the parent’s legal name matches this organization in the same state.

• Ganapathy Medical PC

  • Orthopaedic Surgery of the Spine Physician
  • Tucson, AZ
  • NPI 1255263349
  NPPES parent name

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

{
    "created_epoch": "1780358400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1780358400000",
    "number": "1225960339",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1783 E SAHUARO BLOSSOM PL",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857187880",
            "telephone_number": "217-691-7775"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1783 E SAHUARO BLOSSOM PL",
            "city": "TUCSON",
            "state": "AZ",
            "postal_code": "857187880",
            "telephone_number": "217-691-7775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SPEAR INSTITUTE",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "GANAPATHY MEDICAL PC",
        "enumeration_date": "2026-06-02",
        "last_updated": "2026-06-02",
        "certification_date": "2026-06-02",
        "status": "A",
        "authorized_official_last_name": "GANAPATHY",
        "authorized_official_first_name": "VENKATANARAYANAN",
        "authorized_official_title_or_position": "DIRECTOR",
        "authorized_official_telephone_number": "217-691-7775",
        "authorized_official_name_prefix": "Dr.",
        "authorized_official_credential": "MD, FRCS(C)"
    },
    "taxonomies": [
        {
            "code": "207XS0117X",
            "taxonomy_group": "193400000X SINGLE SPECIALTY  GROUP",
            "desc": "Orthopaedic Surgery, Orthopaedic Surgery of the Spine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelly Marie Spartonos
• Speak Moor LLC
• Stephanie Speake, MS, NCC, LAC
• Candace Petrina Speakman, M.D.
• Ronald Roland Speakman, R.N.
• Barbara Emerson Spear
• Samuel Spearin
• Tempest Spears, RN
• Lloyd Spece, MD
• Selena Specht

• Orthopaedic Surgery of the Spine Physician in Tucson, AZ
• Providers in Tucson, AZ by specialty
• Orthopaedic Surgery of the Spine Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 2, 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.