John Mark Bugarin Gubatan, M.D.

Primary specialty

Gastroenterology PhysicianTaxonomy code 207RG0100X

License

ME174469 Issued in FL

Practice address

4500 San Pablo Rd S
Jacksonville, FL 32224-1865

Phone

(904) 953-2000

NPI assigned

Jun 3, 2014

Sex

Male

Sole proprietor

No

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

Specialties & licenses 3

Addresses

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in FL

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

Gastroenterology

Education

Harvard Medical School, 2014

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Group practices

Mayo Clinic JacksonvilleGroup PAC ID 5698689297, 1,595 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Mayo Clinic Hospital, Jacksonville, FL, CCN 100151
• Stanford Health Care Hospital, Stanford, CA, CCN 050441

Procedures performed for Medicare patients

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Medicine

State licenses

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 and National Provider Directory roles.

• Mayo Clinic Jacksonville

  • Multi-Specialty Clinic/Center
  • Jacksonville, FL
  • NPI 1790772317
  Medicare reassignment Care Compare group NPD
• Mayo Clinic Jacksonville

  • Home Infusion Therapy Pharmacy
  • Jacksonville, FL
  • NPI 1003510116
  NPD
• Mayo Clinic Jacksonville

  • Multi-Specialty Clinic/Center
  • Jacksonville, FL
  • NPI 1871054106
  NPD

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

• Mayo Clinic Florida

  • General Acute Care Hospital
  • Jacksonville, FL
  • NPI 1891782470
  Care Compare affiliation
• Stanford Health Care

  • Radiation Oncology Physician
  • Pleasanton, CA
  • NPI 1124561758

  Hospital

  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1275076325
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Emeryville, CA
  • NPI 1285177337
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1437292927
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Pleasanton, CA
  • NPI 1467990465
  Care Compare affiliation
• Stanford Health Care

  • General Acute Care Hospital
  • Stanford, CA
  • NPI 1871543215
  Care Compare affiliation
• Stanford Life Flight

  • Air Ambulance
  • Stanford, CA
  • NPI 1114063203

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1401753600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1755475200000",
    "number": "1215340674",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "300 PASTEUR DR",
            "city": "STANFORD",
            "state": "CA",
            "postal_code": "943052200",
            "telephone_number": "650-723-4000"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4500 SAN PABLO RD S",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322241865",
            "telephone_number": "904-953-2000"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "330 Brookline Ave",
            "address_purpose": "LOCATION",
            "city": "Boston",
            "state": "MA",
            "postal_code": "022155400",
            "country_code": "US",
            "telephone_number": "617-667-7000",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "300 Pasteur Dr",
            "address_purpose": "LOCATION",
            "city": "Stanford",
            "state": "CA",
            "postal_code": "943052200",
            "country_code": "US",
            "telephone_number": "650-723-4000",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "GUBATAN",
        "first_name": "JOHN MARK",
        "middle_name": "BUGARIN",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2014-06-03",
        "last_updated": "2025-08-18",
        "certification_date": "2025-08-18",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CA",
            "license": "A154629",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "CA",
            "license": "A154629",
            "primary": false
        },
        {
            "code": "207RG0100X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Gastroenterology",
            "state": "FL",
            "license": "ME174469",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "jgubatan2527309@ehrdirect.mayoclinicmsg.org",
            "affiliation": "N",
            "address_1": "4500 San Pablo Rd S",
            "city": "Jacksonville",
            "state": "FL",
            "country_code": "US",
            "postal_code": "322241865",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Guardian Pharmacy of Jacksonville, LLC
• Guardian Plus, LLC
• Raquel S Guarino, OT
• Julia Guazzo
• Cassandra Gubala, DMD
• Laurie Sue Guenther-Burris
• Adrienne Maria Guenther, RPH
• Glendys Guerra Mendez, APRN
• Deborah Guerra
• Monica Guerrero Dominguez

• Gastroenterology Physician in Jacksonville, FL
• Providers in Jacksonville, FL by specialty
• Gastroenterology Physician in Florida

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 18, 2025; 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.