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DR. WILLIAM CLARENCE GEISERT MD
NPI 1336415736
Orthopaedic Surgery in Fleming Island, FL

Active since March 29, 2012PECOS Enrolled
81.23/100
CMS Quality Rating
4565 US HIGHWAY 17 STE 2200, FLEMING ISLAND, FL 32003(904) 634-0640(904) 634-0203 Get Directions Write a Review

NPPES record last updated: August 5, 2025. Verified against the NPPES registry weekly; last sync: August 23, 2026.

Record update history: Aug 5, 2025, Jun 12, 2025, Aug 12, 2024 and 5 more (8 updates tracked since 2016).

About Dr. William Clarence Geisert Md NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. WILLIAM CLARENCE GEISERT MD (NPI 1336415736) is an individual orthopaedic surgery provider in Fleming Island, Florida, licensed in Florida (ME174253) and active in the NPI registry since March 2012. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent's Riverside, and is a graduate of University Of Michigan Medical School (2012).

NPPES Registry Identity

NPI1336415736
Entity TypeIndividualMale
Primary Taxonomy207X00000X
Provider Legal NameDR. WILLIAM CLARENCE GEISERTCredential: MD
Location Address4565 US HIGHWAY 17 STE 2200Fleming Island, FL 32003-4842
Mailing Address6800 Southpoint Pkwy Ste 300Jacksonville, FL 32216-8203 · (904) 634-0640 · Fax (904) 634-0203
Phone(904) 634-0640
Fax(904) 634-0203
Sole ProprietorNo
Medical School CMSUniversity Of Michigan Medical SchoolGraduated 2012
Enumeration DateMarch 29, 2012
Last NPPES UpdateAugust 5, 20258 updates tracked since enumeration
NPPES CertifiedAugust 5, 2025
✔ NPI 1336415736 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyOrthopaedic SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207X00000X
Licenses✔ Licensed in FL · ME174253✔ Licensed in MI · 4301100411✔ Licensed in IN · 01086351A✔ Licensed in AZ · 74275
Definition
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.
4565 US HIGHWAY 17 STE 2200, Fleming Island, FL 32003
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Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Ambetter from Buckeye Health Plan, Ambetter from Meridian, Ambetter Health and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Dr. William Clarence Geisert Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID840417192
PECOS Enrollment IDI20240724003478, I20250704000333
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 8

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
33 services28 patients
X-ray of shoulder, minimum of 2 views 73030
An X-ray of the shoulder, with a minimum of 2 views, is a non-invasive imaging test. It uses a small amount of radiation to produce images of your shoulder bones. This helps in diagnosing conditions like fractures, arthritis, or other abnormalities. The procedure is quick and painless.
30 services17 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
24 services24 patients
Replacement of knee joint, both sides of knee 27447
A bilateral knee joint replacement is a procedure where the damaged parts of both your knee joints are replaced with artificial parts. It aims to relieve pain and improve mobility. The process involves a surgical operation under anesthesia.
23 services23 patients
X-ray of hip, 2-3 views 73502
An X-ray of the hip with 2-3 views is a non-invasive imaging test. It uses a small amount of radiation to produce pictures of the hip joint. These images help in diagnosing conditions like fractures, arthritis, or other abnormalities. The process is quick and painless.
22 services16 patients
Aspiration and/or injection of fluid from large joint 20610
This procedure involves using a needle to remove (aspiration) or introduce (injection) fluid into a large joint like the knee or hip. It can help diagnose conditions, relieve discomfort, or deliver medication directly to the joint.
21 services20 patients

Hospital Affiliations CMS Care Compare 4

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Ascension St Vincent's Riverside

Acute Care Hospitals · Jacksonville, FL
2/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100040
Location1 Shircliff WayJacksonville, FL 32204 · Duval County
Emergency services

Baptist Health Medical Center - Jacksonville

Acute Care Hospitals · Jacksonville, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100088
Location800 Prudential DrJacksonville, FL 32207 · Duval County
Emergency services Birthing friendly

Ascension St Vincent's Southside

Acute Care Hospitals · Jacksonville, FL
4/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100307
Location4201 Belfort RdJacksonville, FL 32216 · Duval County
Emergency services Birthing friendly

Ascension St Vincent's Clay County

Acute Care Hospitals · Middleburg, FL
3/5 CMS rating
OwnershipVoluntary non-profit - Private
CMS Certification Number100321
Location1670 St Vincents WayMiddleburg, FL 32068 · Clay County
Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 32003 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$87.62 typical visit price
range $56.00 – $171.84
Typical copayment $21.90 (range $14.00 – $42.96)
Most-billed visit code 99203
Established Patient
$70.04 typical visit price
range $17.57 – $139.16
Typical copayment $17.51 (range $4.39 – $34.79)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

81.23/100
MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program
Scored as part of a group practice
Quality68.95
Promoting Interoperability100
Improvement Activities40
Cost68.49

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is William Geisert's NPI number?

The NPI number for William Geisert is 1336415736. It was assigned to this individual provider in the NPPES registry on March 29, 2012.

Where is William Geisert located?

William Geisert practices at 4565 Us Highway 17 Ste 2200, Fleming Island, FL 32003. The listed phone number is (904) 634-0640.

What is William Geisert's specialty?

The primary specialty registered for this NPI is Orthopaedic Surgery with taxonomy code 207X00000X.

Is William Geisert enrolled in Medicare?

Yes. William Geisert is registered in the Medicare PECOS enrollment system.

What insurance does William Geisert accept?

Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian, Blue Cross Blue Shield of Arizona and CareSource and 2 other insurers list William Geisert as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

Is William Geisert affiliated with any hospitals?

According to CMS data, William Geisert is affiliated with Ascension St Vincent's Riverside, Baptist Health Medical Center - Jacksonville, Ascension St Vincent's Southside and Ascension St Vincent's Clay County.

When was this NPI record last updated?

The NPPES record for William Geisert was last updated on August 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 12 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.