John C Flanagan, MD

Primary specialty

Anesthesiology PhysicianTaxonomy code 207L00000X

License

ME89761 Issued in FL

Practice address

1800 Barrs St
Jacksonville, FL 32204-4704

Phone

(904) 387-4030

Fax

(904) 381-9808

NPI assigned

Sep 13, 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

Other identifiers 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

Anesthesiology

Education

Other, 2000

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Group practices

North Florida Anesthesia Consultants IncGroup PAC ID 7416869565, 110 clinicians

Practice addresses (Care Compare)

Hospital & facility affiliations

• Ascension St Vincent'S Riverside Hospital, Jacksonville, FL, CCN 100040
• Ascension St Vincent'S Clay County Hospital, Middleburg, FL, CCN 100321
• Ascension St Vincent'S St Johns County Hospital, St. Johns, FL, CCN 100361

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 and National Provider Directory roles.

• North Florida Anesthesia Consultants Inc

  • Anesthesiology Physician
  • Jacksonville, FL
  • NPI 1346236866
  Medicare reassignment Care Compare group NPD
• Jacksonville Beaches Anesthesia Associates, Inc.

  • Anesthesiology Physician
  • Jacksonville Beach, FL
  • NPI 1174781744
  Medicare reassignment NPD
• Sheridan Healthcorp Inc

  • Anesthesiology Physician
  • Okeechobee, FL
  • NPI 1629781711
  Medicare reassignment NPD
• North Florida Anesthesia Consultants, Inc.

  • Anesthesiology Physician
  • St Augustine, FL
  • NPI 1114892361
  NPD
• Sheridan Healthcorp Inc

  • Anesthesiology Physician
  • Plantation, FL
  • NPI 1467121293
  NPD
• Sheridan Healthcorp, Inc.

  • Anesthesiology Physician
  • North Miami Beach, FL
  • NPI 1578429460
  NPD

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

• St Vincents Health System Inc

  • General Acute Care Hospital
  • St. Johns, FL
  • NPI 1861078651
  Care Compare affiliation
• St Vincents Medical Center Inc

  • General Acute Care Hospital
  • Jacksonville, FL
  • NPI 1134117575
  Care Compare affiliation
• St. Vincent'S Medical Center-Clay County, Inc.

  • General Acute Care Hospital
  • Middleburg, FL
  • NPI 1457690471
  Care Compare affiliation
• St. Vincent'S Medical Center, Inc.

  • Clinical Medical Laboratory
  • Jacksonville, FL
  • NPI 1669556072

  Hospital

  Care Compare affiliation

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

{
    "created_epoch": "1126569600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1144215443",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2165 HERSCHEL ST",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322043819",
            "telephone_number": "904-387-4030",
            "fax_number": "904-381-9808"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1800 BARRS ST",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322044704",
            "telephone_number": "904-387-4030",
            "fax_number": "904-381-9808"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "FLANAGAN",
        "first_name": "JOHN",
        "middle_name": "C",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2005-09-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207L00000X",
            "taxonomy_group": "",
            "desc": "Anesthesiology",
            "state": "FL",
            "license": "ME89761",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "BLUE CROSS BLUE SHIELD",
            "identifier": "47641",
            "state": "FL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

• Flagler Professional Health Care Services, Inc.
• Marie Flaherty
• Erica Kirkland Flamm, DNP, APRN, FNP-BC
• Daniel Flanagan
• Jasminh Breanna Flanagan, ARNP
• John Francis Flanagan III, DPT
• Karen Ann Flanagan
• Flanders & Holmes M.D., P.a.
• Anna Marie Flanders
• Cynthia H Flanders, M.D.

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

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