Harrison S. Mahon, MD
Orthopaedic Surgery Physician · Fleming Island, FL
Harrison S. Mahon, MD is an orthopaedic surgery physician with a practice address in Fleming Island, Florida, and NPI 1477943579, issued on Jan 27, 2015. Check the license (Florida ME151513, as entered in NPPES) on the Florida health license search; the Medicare figures below come from public CMS files.
- Name
- Harrison S. Mahon
- Credential
- MD
- Primary taxonomy
- Orthopaedic Surgery Physician 207X00000X
- License number
- ME151513 FL
Self-reported in NPPES; status is on the state search - Practice location
- 1747 Baptist Clay Dr Ste 200, Fleming Island, FL 32003
- Phone
- (904) 161-9503
- Enumerated
- Jan 27, 2015
- Record last updated
- Jan 22, 2025
- Fax
- (904) 376-3062
- Medicare enrollment
- Enrolled (PECOS I20210727002760); accepts Medicare assignment
- Medical or professional school
- Northwestern University Feinberg Medical School, 2015
- Entity
- Type 1 · individual
8 nearest orthopaedic surgery physician records → All 1,470 in Florida → Look up another NPI →
Also registered at 1747 Baptist Clay Dr Ste 200
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Caroline Kiser, D.P.M.Podiatrist1922425560
- Jessica Livingston, ATCAthletic Trainer1427556141
- Kurt Madzunovic, DOOrthopaedic Surgery Physician1629495981
- Justin McGinnis, PA-CPhysician Assistant1497234769
- Nicholas Sacksteder, MDOrthopaedic Surgery Physician1295149821
- Abdelghaffar SalousSurgery of the Hand (Surgery) Physician1821416793
Verify Harrison S. Mahon in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersFlorida health license search
Search for license ME151513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
72% fewer Medicare Part D claims than the average orthopaedic surgery physician in 2024
97 Medicare Part D claims for 64 beneficiaries, against an average of 346 among the 16,516 providers of this specialty who prescribed in Part D. 38 claims were for opioids.
Most prescribed
- Oxycodone Hcl18 claims
- Meloxicam15 claims
- Hydrocodone-Acetaminophen12 claims
- Amoxicillin11 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): 97.5 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: $744.55
16 payments; by number, the most common kind was food and beverage; the largest payer was DePuy Synthes Sales 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 2 group practices
- H2 Rehabilitation Services OF Florida LLCSaint Marys, GA
- Lyerly Baptist IncFleming Island, FL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Harrison S. Mahon among 1,470 orthopaedic surgery physician records in Florida
Harrison S. Mahon, 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 2015, is newer than 82% of them.
- NPI issued2015 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 80% of these records are
- In the CMS Doctors and Clinicians fileYes · 66% of these records are
- Graduated2015 · 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
- William Geisert, MDFleming Island, FL 320031336415736
- Albert Henry, MDFleming Island, FL 320031194705574
- Kurt Madzunovic, DOFleming Island, FL 320031629495981
- Nicholas Sacksteder, MDFleming Island, FL 320031295149821
- Jeffrey Glenn, D.O.Lake City, FL 320241760464168
- Raul Zelaya, MDLake City, FL 320251366440125
Common questions
What is Harrison S. Mahon, MD's NPI number?
Harrison S. Mahon, MD's National Provider Identifier (NPI) is 1477943579, issued on Jan 27, 2015. An NPI identifies a provider in billing; it is not a license.
Where is Harrison S. Mahon, MD located?
The NPPES record lists a practice address at 1747 Baptist Clay Dr Ste 200, Fleming Island, FL, 32003. Phone: (904) 161-9503. Providers update this record themselves, so call before visiting.
How can I verify Harrison S. Mahon, MD's license?
NPPES lists Florida license number ME151513, 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 Harrison S. Mahon, MD prescribe under Medicare Part D?
In 2024, Harrison S. Mahon, MD had 97 Medicare Part D claims for 64 beneficiaries; the average among orthopaedic surgery physician prescribers was 346. Part D covers Medicare prescriptions only.
What is Harrison S. Mahon, MD's MIPS final score?
The 2023 MIPS final score is 97.5 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.