Active NPI
William Clarence Geisert, MD
- Orthopaedic Surgery Physician
- Fleming Island, FL
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Orthopaedic Surgery Physician
- License
- ME174253
- Practice address
- 4565 US Highway 17 Ste 2200
Fleming Island, FL 32003-4842 - Phone
- (904) 634-0640
- Fax
- (904) 634-0203
- NPI assigned
- Mar 29, 2012
- Last updated
- Aug 5, 2025
- Sex
- Male
- Sole proprietor
- No
NPPES NPI Registry
Registry information is reported by the provider to CMS and is not verified. About this source
Specialties & licenses 4
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Orthopaedic Surgery Physician | 207X00000X | 4301100411 | MI | |
| Orthopaedic Surgery Physician | 207X00000X | 01086351A | IN | |
| Orthopaedic Surgery Physician | 207X00000X | 74275 | AZ | |
| Orthopaedic Surgery Physician | 207X00000X | ME174253 | FL | Primary |
Addresses
Primary practice location
4565 US Highway 17 Ste 2200
Fleming Island, FL 32003-4842
Mailing address
6800 Southpoint Pkwy Ste 300
Jacksonville, FL 32216-8203
Phone (904) 634-0640
Other practice location 1
10475 Centurion Pkwy N Ste 220
Jacksonville, FL 32256-5004
Phone (904) 634-0640
Other practice location 2
232 Ponte Vedra Park Dr
Ponte Vedra Beach, FL 32082-6600
Phone (904) 634-0640
Other practice location 3
15255 Max Legget Pkwy Ste 5300
Jacksonville, FL 32218-7274
Phone (904) 634-0640
Medicare participation
Medicare enrollment files- Medicare fee-for-service enrollment
- Enrolled in IN, AZ, FL
- Eligible to order & refer
- Part B services: Yes
- Medical equipment: Yes
- Home health: Yes
- Power mobility devices: Yes
- Hospice: Yes
Enrollment records 3
Care Compare profile
Medicare Care Compare- Specialty
- Orthopedic Surgery
- Education
- University of Michigan Medical School, 2012
- Medicare assignment
- May accept Medicare assignment
- Group practices
Practice addresses (Care Compare)
10475 Centurion Pkwy N
Jacksonville, FL 32256-5004
Phone (904) 634-0640
15255 Max Leggett Pkwy
Suite 5300
Jacksonville, FL 32218-7274
Phone (904) 634-0640
2110 Herschel St
Jacksonville, FL 32204-3820
Phone (904) 634-0640
2300 Park Ave
Suite 206
Orange Park, FL 32073-5573
Phone (904) 634-0640
2627 Riverside Ave
FL 3
Jacksonville, FL 32204-4717
Phone (904) 634-0640
4268 Oldfield Crossing Dr
Suite 201
Jacksonville, FL 32223-8800
Phone (904) 634-0640
PO Box
Melrose, FL 32666-1099
Hospital & facility affiliations
- Bravery Home Healthcare
- Ascension St Vincent's Southside
- Ascension St Vincent's Riverside
- Ascension St Vincent's Clay County
- Baptist Health Medical Center - Jacksonville
- Baptist Medical Center - Nassau
- Brooks Rehabilitation Hospital University Campus
Merit-based Incentive Payment System (MIPS)
- Final score
- 85.65 of 100
- Quality
- 76.23
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 75.95
Merit-based Incentive Payment System (MIPS)
- Final score
- 83.53 of 100
- Quality
- 70
- Promoting interoperability
- 100
- Improvement activities
- 40
- Cost
- 75.11
Procedures performed for Medicare patients
| Procedure | Number of procedures |
|---|---|
| Hip replacement | 26 |
| Knee replacement | 32 |
| Removal or shaving of skin growth | 1-10 |
National Provider Directory
National Provider Directory- Medicare enrollment (NPD)
- Enrolled
- Credentials
- Doctor of Medicine
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 74275 | AZ | MD | Orthopaedic Surgery Physician |
| ME174253 | FL | MD | Orthopaedic Surgery Physician |
| 01086351A | IN | MD | Orthopaedic Surgery Physician |
| 4301100411 | MI | MD | Orthopaedic Surgery Physician |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Center for Orthopedic Research and Education LLC | Current | Accepting new patients | |
| Center for Orthopedic Research and Educatoin | Current | Accepting new patients | |
| Orthopaedics Northeast PC | Current | Accepting new patients | |
| Center for Orthopedic Research and Education, LLC | Orthopaedic Surgery | Current | Accepting new patients |
| Southeast Orthopedic Specialists, LLC | Orthopaedic Surgery | Current | Accepting new patients |
| Southeast Orthopedic Specialists, LLC | Orthopaedic Surgery | Current | Accepting new patients |
| Orthopaedics Northeast PC | Orthopaedic Surgery | Current | Accepting new patients |
| Parkview Health System Inc | Current | Accepting new patients |
Locations
3591 S Mercy Rd
Ste 204
Gilbert, AZ 85297
Phone (869) 742-6736
1500 S Dobson Rd
Ste 202
Mesa, AZ 85202
Phone (866) 974-2373
18444 N 25th Ave
Ste 310
Phoenix, AZ 85023
Phone (623) 241-8706
10494 W Thunderbird Blvd
Ste 102
Sun City, AZ 85351
Phone (623) 975-8311
4565 US Highway 17
Ste 200
Fleming Island, FL 32003
Phone (904) 630-0640
10475 Centurion Pkwy N
Ste 220
Jacksonville, FL 32256
Phone 9046340640 ext. 1014
15255 Max Leggett Pkwy
Ste 5300
Jacksonville, FL 32218
Phone (904) 203-1386
6800 Southpoint Pkwy
Ste 300
Jacksonville, FL 32216
232 Ponte Vedra Park Dr
Ponte Vedra Beach, FL 32082
Phone (904) 285-7546
5050 N Clinton St
Fort Wayne, IN 46825
Phone (219) 484-8551
5052 N Clinton St
Fort Wayne, IN 46825
Phone (260) 408-2203
512 Professional Way
Kendallville, IN 46755
Phone (260) 347-8556
Interoperability endpoints
- william.geisert.1@22724.direct.athenahealth.com
Organizations & group practices 9
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.
-
- Orthopaedic Surgery Physician
- Jacksonville, FL
- NPI 1629025820
-
dba The CORE Institute
- Orthopaedic Surgery Physician
- Phoenix, AZ
- NPI 1427095801
-
dba DBA ONE Anesthesia Services
- Orthopaedic Surgery Physician
- Fort Wayne, IN
- NPI 1740268796
-
dba Lake Area Physical Therapy & Aquatics
- Physical Therapist
- Melrose, FL
- NPI 1376682518
-
- Durable Medical Equipment & Medical Supplies
- Saint Johns, FL
- NPI 1538952379
Orthopaedic Surgery
-
dba The Core Institute
- Durable Medical Equipment & Medical Supplies
- Flagstaff, AZ
- NPI 1063251056
-
dba The CORE Institute
- Physical Therapist
- Mesa, AZ
- NPI 1275967408
-
dba Surgery One
- Ambulatory Surgical Clinic/Center
- Fort Wayne, IN
- NPI 1417936477
-
dba Parkview Physicians Group
- Family Medicine Physician
- Fort Wayne, IN
- NPI 1932130952
Hospital & facility affiliations 9
Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.
-
dba Baptist Medical Center Nassau
- General Acute Care Hospital
- Fernandina Beach, FL
- NPI 1518024462
-
dba Brooks Rehabilitation Hospital Bartram Campus
- Rehabilitation Hospital
- Jacksonville, FL
- NPI 1376114413
Inpatient rehabilitation facility
-
dba Brooks Rehabilitation
- Rehabilitation Hospital
- Jacksonville, FL
- NPI 1912947748
Inpatient rehabilitation facility
-
dba Baptist Medical Center
- General Acute Care Hospital
- Jacksonville, FL
- NPI 1578620449
-
dba Ascension St. Vincent's Southside
- General Acute Care Hospital
- Jacksonville, FL
- NPI 1396926747
-
dba Ascension St. Vincent's Riverside
- General Acute Care Hospital
- Jacksonville, FL
- NPI 1134117575
-
dba Ascension St. Vincent's Clay County
- General Acute Care Hospital
- Middleburg, FL
- NPI 1457690471
-
dba Ascension St Vincent's Riverside
- Clinical Medical Laboratory
- Jacksonville, FL
- NPI 1669556072
Hospital
NPI Registry JSON
The complete NPPES record for this NPI in the NPI Registry API format.
{
"created_epoch": "1332979200000",
"enumeration_type": "NPI-1",
"last_updated_epoch": "1754352000000",
"number": "1336415736",
"addresses": [
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "MAILING",
"address_type": "DOM",
"address_1": "6800 SOUTHPOINT PKWY STE 300",
"city": "JACKSONVILLE",
"state": "FL",
"postal_code": "322168203",
"telephone_number": "904-634-0640",
"fax_number": "904-634-0203"
},
{
"country_code": "US",
"country_name": "United States",
"address_purpose": "LOCATION",
"address_type": "DOM",
"address_1": "4565 US HIGHWAY 17 STE 2200",
"city": "FLEMING ISLAND",
"state": "FL",
"postal_code": "320034842",
"telephone_number": "904-634-0640",
"fax_number": "904-634-0203"
}
],
"practiceLocations": [
{
"address_1": "10475 Centurion Pkwy N Ste 220",
"address_purpose": "LOCATION",
"city": "Jacksonville",
"state": "FL",
"postal_code": "322565004",
"country_code": "US",
"telephone_number": "904-634-0640",
"fax_number": "904-634-0203",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "232 Ponte Vedra Park Dr",
"address_purpose": "LOCATION",
"city": "Ponte Vedra Beach",
"state": "FL",
"postal_code": "320826600",
"country_code": "US",
"telephone_number": "904-634-0640",
"fax_number": "904-634-0203",
"country_name": "United States",
"address_type": "DOM"
},
{
"address_1": "15255 Max Legget Pkwy Ste 5300",
"address_purpose": "LOCATION",
"city": "Jacksonville",
"state": "FL",
"postal_code": "322187274",
"country_code": "US",
"telephone_number": "904-634-0640",
"fax_number": "904-634-0203",
"country_name": "United States",
"address_type": "DOM"
}
],
"basic": {
"last_name": "GEISERT",
"first_name": "WILLIAM",
"middle_name": "CLARENCE",
"name_prefix": "Dr.",
"credential": "MD",
"sole_proprietor": "NO",
"sex": "M",
"enumeration_date": "2012-03-29",
"last_updated": "2025-08-05",
"certification_date": "2025-08-05",
"status": "A"
},
"taxonomies": [
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "MI",
"license": "4301100411",
"primary": false
},
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "IN",
"license": "01086351A",
"primary": false
},
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "AZ",
"license": "74275",
"primary": false
},
{
"code": "207X00000X",
"taxonomy_group": "",
"desc": "Orthopaedic Surgery",
"state": "FL",
"license": "ME174253",
"primary": true
}
],
"identifiers": [],
"endpoints": [],
"other_names": []
}
Other providers in Fleming Island, FL
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 5, 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.