Ronald Anthony Gagliano Jr., M.D.

Primary specialty

Colon & Rectal Surgery PhysicianTaxonomy code 208C00000X

License

48827 Issued in AZ

Practice address

500 W Thomas Rd Ste 400
Phoenix, AZ 85013-4238

Phone

(602) 406-3874

Fax

(602) 406-2335

NPI assigned

Dec 16, 2005

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in AZ

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.

Enrollment records 1

Specialty

Colorectal Surgery (Proctology)

Education

Tulane University School of Medicine, 1994

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

Sjhmc Physician ServicesGroup PAC ID 4486646197, 645 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• St Josephs Hospital and Medical Center Hospital, Phoenix, AZ, CCN 030024

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

Practice roles

Locations

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Sjhmc Physician Services

  dba St. Joseph's Faculty Physicians

  • Multi-Specialty Clinic/Center
  • Phoenix, AZ
  • NPI 1326098005
  Medicare reassignment Care Compare group NPD
• St. Joseph's Hospital and Medical Center

  dba SJHMC Trauma Services

  • Emergency Care Clinic/Center
  • Phoenix, AZ
  • NPI 1255382412
  Medicare reassignment NPD
• St Josephs Pathology

  dba Pathology Associates LTD

  • Anatomic Pathology & Clinical Pathology Physician
  • Phoenix, AZ
  • NPI 1265407738
  NPD
• Dignity Health

  dba Mercy Medical Center Redding

  • General Acute Care Hospital
  • Redding, CA
  • NPI 1477671535
  NPD (past)

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

• Dignity Health

  dba St. Josephs Hospital and Medical Center Emergency Dept-Litchfield Park

  • Emergency Care Clinic/Center
  • Litchfield Park, AZ
  • NPI 1265065445

  Hospital

  Care Compare affiliation
• Dignity Health

  dba St. Josephs Hospital and Medical Center Emergency Dept-Glendale

  • Emergency Care Clinic/Center
  • Glendale, AZ
  • NPI 1609408665

  Hospital

  Care Compare affiliation
• Dignity Health

  dba St. Joseph's Hospital and Medical Center

  • General Acute Care Hospital
  • Phoenix, AZ
  • NPI 1982733655
  Care Compare affiliation
• Dignity Health

  dba St. Joseph's Westgate Medical Center

  • General Acute Care Hospital
  • Glendale, AZ
  • NPI 1992131734
  Care Compare affiliation

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

{
    "created_epoch": "1134691200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780876800000",
    "number": "1043296460",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 33269",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850673269",
            "telephone_number": "602-406-4786",
            "fax_number": "916-636-4358"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "500 W THOMAS RD STE 400",
            "city": "PHOENIX",
            "state": "AZ",
            "postal_code": "850134238",
            "telephone_number": "602-406-3874",
            "fax_number": "602-406-2335"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "625 N 6th St Ste 402",
            "address_purpose": "LOCATION",
            "city": "Phoenix",
            "state": "AZ",
            "postal_code": "850043067",
            "country_code": "US",
            "telephone_number": "602-406-8222",
            "fax_number": "602-604-4722",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GAGLIANO",
        "first_name": "RONALD",
        "middle_name": "ANTHONY",
        "name_prefix": "Dr.",
        "name_suffix": "Jr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-12-16",
        "last_updated": "2026-06-08",
        "certification_date": "2026-06-08",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208C00000X",
            "taxonomy_group": "",
            "desc": "Colon & Rectal Surgery",
            "state": "AZ",
            "license": "48827",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Andrei Gafencu
• Tal Shlomo Gafni, DMD
• Karen Gage, PSY.D., LMFT
• Mally Gage, PHARMD, RPH
• Sandra L Gage, MD
• Dominique Gagne, MD
• Mary Sharyle Gagnepain, SLP
• Charles E Gagnon, D.O.
• Cindy Bartlett Gagnon
• Erik Michael Gagnon

• Colon & Rectal Surgery Physician in Phoenix, AZ
• Providers in Phoenix, AZ by specialty
• Colon & Rectal Surgery Physician in Arizona

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jun 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• 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.