Individual provider Active NPI

William Joseph Seemer, DO

  • Family Medicine Physician
  • Jacksonville, FL
National Provider Identifier
1346878956
Registry record updated Apr 4, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Medicine PhysicianTaxonomy code 207Q00000X
License
OS20360 Issued in FL
Practice address
3625 University Blvd S
Jacksonville, FL 32216-4207
Phone
(904) 702-6111
NPI assigned
Mar 30, 2020
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 4, 2025

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

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X OS20360 FL
Student in an Organized Health Care Education/Training Program 390200000X GA
Family Medicine Physician 207Q00000X OS20360 FL Primary

Addresses

Primary practice location

3625 University Blvd S
Jacksonville, FL 32216-4207

Mailing address

PO Box 935921
Atlanta, GA 31193-5921
Phone (862) 314-5193

Other practice location 1

1 Magnolia Ct
Moultrie, GA 31768-6764
Phone (229) 502-9753

Medicare participation

Medicare enrollment files
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

Enrollment IDStateProvider typePAC IDDetails
I20230808000812 FL Practitioner - Family Practice 4082075072 Reassigns benefits to 4 organizations

Care Compare profile

Medicare Care Compare
Specialty
Family Practice
Education
Other, 2020
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Hni Medical Services of Florida, LLCGroup PAC ID 7517202112, 104 clinicians
Inpatient Consultants of Florida, IncGroup PAC ID 4789614785, 158 clinicians
Sound Physicians of Florida IV, LLCGroup PAC ID 6002198082, 47 clinicians

Practice addresses (Care Compare)

1 Shircliff Way
Jacksonville, FL 32204-4748
Phone (512) 730-3056

1700 S Tamiami TRL
Sarasota, FL 34239-3509
Phone (440) 542-5000

205 Trinity Way
St Johns, FL 32259-1155
Phone (904) 450-8120

3625 University S Blvd
Jacksonville, FL 32216-4207
Phone (904) 399-6111

60 Memorial Medical Pkwy
Palm Coast, FL 32164-5980
Phone (386) 586-2000

Hospital & facility affiliations

  • Ascension St Vincent'S St Johns County Hospital, St. Johns, FL, CCN 100361
  • Adventhealth Palm Coast Parkway Hospital, Palm Coast, FL, CCN 100363
  • AdventHealth Palm Coast Hospital, Palm Coast, FL, CCN 100118
  • HCA Florida Memorial Hospital Hospital, Jacksonville, FL, CCN 100179
  • Ascension St Vincent'S Southside Hospital, Jacksonville, FL, CCN 100307

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Osteopathy

Practice roles

OrganizationSpecialtyStatusNew patients
Inpatient Consultants of Florida, Inc Hospitalist CurrentSince Aug 31, 2023 Accepting new patients
Inpatient Consultants of Florida Inc Hospitalist CurrentSince Aug 31, 2023 Accepting new patients
Hni Medical Services of Florida, LLC Family Medicine CurrentSince May 1, 2025 Accepting new patients
Hni Hospital Services of Florida, LLC Family Medicine CurrentSince Jun 1, 2025 Accepting new patients

Locations

900 N Robert Ave
Arcadia, FL 34266
Phone (863) 494-8426

701 W Plymouth Ave
Deland, FL 32720
Phone (386) 943-3160

13681 Doctors Way
Fort Myers, FL 33912
Phone (239) 343-1000

3625 University Blvd S
Jacksonville, FL 32216
Phone (904) 333-9404

1 Shircliff Way
Jacksonville, FL 32204
Phone (904) 332-0414

4901 Richard St
Jacksonville, FL 32207
Phone (904) 425-0500

2001 W 68th St
Miami Lakes, FL 33016
Phone (305) 364-2151

350 7th St N
Naples, FL 34102
Phone (239) 436-5000

1055 Saxon Blvd
Orange City, FL 32763
Phone (386) 917-5000

615 N Bonita Ave
Panama City, FL 32401
Phone (850) 747-2020

1700 Tamiami Trl
Sarasota, FL 34239
Phone (941) 917-8507

6000 49th St N
St Petersburg, FL 33709
Phone (727) 521-4411

1643 NW 136th Ave
Ste 100
Sunrise, FL 33323
Phone (865) 500-1325

3030 W Bearss Ave
Tampa, FL 33618
Phone (813) 932-2222

Interoperability endpoints

  • Direct secure messaging: wseemer5000899@adventhealth.direct-ci.com

Organizations & group practices 5

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.

Hospital & facility affiliations 5

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

NPI Registry JSON

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

{
    "created_epoch": "1585526400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1743724800000",
    "number": "1346878956",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 935921",
            "city": "ATLANTA",
            "state": "GA",
            "postal_code": "311935921",
            "telephone_number": "862-314-5193",
            "fax_number": "386-268-8927"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3625 UNIVERSITY BLVD S",
            "city": "JACKSONVILLE",
            "state": "FL",
            "postal_code": "322164207",
            "telephone_number": "904-702-6111"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "1 Magnolia Ct",
            "address_purpose": "LOCATION",
            "city": "Moultrie",
            "state": "GA",
            "postal_code": "317686764",
            "country_code": "US",
            "telephone_number": "229-502-9753",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "SEEMER",
        "first_name": "WILLIAM",
        "middle_name": "JOSEPH",
        "name_prefix": "Dr.",
        "credential": "DO",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2020-03-30",
        "last_updated": "2025-04-04",
        "certification_date": "2025-04-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "FL",
            "license": "OS20360",
            "primary": false
        },
        {
            "code": "390200000X",
            "taxonomy_group": "",
            "desc": "Student in an Organized Health Care Education/Training Program",
            "state": "GA",
            "license": null,
            "primary": false
        },
        {
            "code": "207Q00000X",
            "taxonomy_group": "",
            "desc": "Family Medicine",
            "state": "FL",
            "license": "OS20360",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Jacksonville, FL

Sources for this page

Verify at the official NPI Registry.