William Clarence Geisert, MD
Orthopaedic Surgery Physician · Fleming Island, FL
William Clarence Geisert, MD is an orthopaedic surgery physician with a practice address in Fleming Island, Florida, and NPI 1336415736, issued on Mar 29, 2012. Check the license (Florida ME174253, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- William Clarence Geisert
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License numbers
- ME174253 FL
74275 AZ
01086351A IN
4301100411 MI
Self-reported in NPPES; status is on the state search - Practice location
- 4565 US Highway 17 Ste 2200, Fleming Island, FL 32003
- Phone
- (904) 634-0640
- Enumerated
- Mar 29, 2012
- Record last updated
- Aug 5, 2025
- Fax
- (904) 634-0203
- Medicare enrollment
- Enrolled (PECOS I20250704000333); may accept Medicare assignment
- Medical or professional school
- University Of Michigan Medical School, 2012
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,470 in Florida → Look up another NPI →
Verify William Clarence Geisert in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME174253Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
84 Medicare Part D claims for 55 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 15 claims were for opioids.
Most prescribed
- Celecoxib19 claims
- Methylprednisolone19 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
The practice group's MIPS final score for 2023 (Medicare payment program): 81.2 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $148.80
3 payments; by number, the most common kind was food and beverage; the largest payer was Smith+Nephew, Inc. The 15,003 providers of this specialty with any payment received $23,022.89 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Center For Orthopedic Research And Education LLCGilbert, AZ
- Lake Area Physical Therapy Inc.Melrose, FL
- Southeast Orthopedic Specialists LLCJacksonville, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Clarence Geisert among 1,470 orthopaedic surgery physician records in Florida
William Clarence Geisert, MD is one of 1,470 orthopaedic surgery physician records with a practice address in Florida. 80% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2012, is newer than 76% of them.
- NPI issued2012 · 76% of these records are older, 22% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2012 · median 2002 among the 974 with a school on file
- Record last updated2025 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207X00000X and a Florida practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
6 orthopaedic surgery physician records list a practice address in Fleming Island
They are 6 of the 571 NPPES records with a practice address in Fleming Island, and 1,470 orthopaedic surgery physician records in Florida.
All 1,470 in Florida → Every provider in Fleming Island → Orthopaedic Surgery Physician nationwide →
The 8 orthopaedic surgery physician records with the nearest ZIP codes
- Lucas Anissian, M.D.Fleming Island, FL 320031285669390
- John Flinchbaugh, D.O.Orange Park, FL 320031205163615
- Albert Henry, MDFleming Island, FL 320031194705574
- Kurt Madzunovic, DOFleming Island, FL 320031629495981
- Harrison Mahon, MDFleming Island, FL 320031477943579
- Nicholas Sacksteder, MDFleming Island, FL 320031295149821
- Jeffrey Glenn, D.O.Lake City, FL 320241760464168
- Raul Zelaya, MDLake City, FL 320251366440125
Common questions
What is William Clarence Geisert, MD's NPI number?
William Clarence Geisert, MD's National Provider Identifier (NPI) is 1336415736, issued on Mar 29, 2012. An NPI identifies a provider in billing; it is not a license.
Where is William Clarence Geisert, MD located?
The NPPES record lists a practice address at 4565 US Highway 17 Ste 2200, Fleming Island, FL, 32003. Phone: (904) 634-0640. Providers update this record themselves, so call before visiting.
How can I verify William Clarence Geisert, MD's license?
NPPES lists Florida license number ME174253, as entered by the provider. Search the Florida health license search at https://mqa-internet.doh.state.fl.us/mqasearchservices/healthcareproviders. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does William Clarence Geisert, MD prescribe under Medicare Part D?
In 2024, William Clarence Geisert, MD had 84 Medicare Part D claims for 55 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is William Clarence Geisert, MD's MIPS final score?
The 2023 MIPS final score is 81.2 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.