Dr. John Leander Masonis, MD
- Medicare services, 2024
- 1,122
- Medicare patients, 2024
- 374
- Part D claims, 2024
- 163
- MIPS score, 2024
- 94
- Hospital affiliations
- 3
- Practice address
- 3621 Randolph Rd, Charlotte, NC 28211
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Charlotte Surgery Center Wendover Campus - HOPD
Acute Care Hospital outpatient department · Charlotte, North Carolina
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Dr. John Leander Masonis is an orthopedic surgeon in Charlotte, North Carolina
Dr. Masonis practices at Charlotte Surgery Center Wendover Campus - HOPD in Charlotte, North Carolina.
Dr. Masonis' NPI, 1730162090, was assigned on November 21, 2005. Dr. Masonis graduated from Jefferson Medical College of Thomas Jefferson University in 1996. Dr. Masonis holds North Carolina license 9701478.
- NPI
- 1730162090NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1254375868
- NPI enumeration date
- November 21, 2005
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 56
- Medical school graduation
- 1996
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. John Leander Masonis practices at Charlotte Surgery Center Wendover Campus - HOPD in Charlotte, North Carolina
Dr. Masonis' primary practice is Charlotte Surgery Center Wendover Campus - HOPD, at 3621 Randolph Rd, Charlotte, NC 28211.
- Charlotte Surgery Center Wendover Campus - HOPD3621 Randolph Rd, Charlotte, NC 28211
Source: Dmand AI Affiliation Data
Dr. John Leander Masonis is affiliated with 9 sites of care and 4 medical groups
Dr. Masonis' primary practice is Charlotte Surgery Center Wendover Campus - HOPD in Charlotte, North Carolina. Dr. Masonis is also affiliated with Atrium Health Carolinas Medical Center. The medical group on file is Atrium Health Levine Children's Gastroenterology. Dmand AI also links Dr. Masonis to 2 more hospitals, 3 group practices and clinics, 3 medical groups, 1 home health agency and 1 ambulatory surgery center, each named with a free account.
Source: Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. John Leander Masonis' practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Masonis practices, 9 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Charlotte Surgery Center Wendover Campus - HOPD | Available with a free account |
| +8 more sites and 3 medical groups | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. John Leander Masonis is one of 809 orthopedic surgeons in North Carolina
Orthopaedic surgery is Dr. Masonis' primary specialty in the NPI Registry, under taxonomy code 207X00000X. Dr. Masonis is licensed in North Carolina.
Specialties and state licenses
- Orthopaedic surgery, North CarolinaPrimary
Orthopedic surgeons near Dr. Masonis
Counts of orthopedic surgeons with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Dr. John Leander Masonis billed Medicare for 1,122 services in 2024
CMS data shows 1,122 Medicare services from Dr. Masonis across 14 procedure codes in 2024, for 374 Medicare patients. Medicare paid $214,507 for them.
Dr. Masonis' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Imaging
- 2023: 5432024: 45416%
- Office and hospital visits
- 2023: 4262024: 38410%
- Surgery
- 2023: 1502024: 17517%
- Other services
- 2023: 882024: 10924%
- Drugs given in the office
- 2023: 602024: 0100%
Where Dr. Masonis' Medicare services took place, 2024
- In an office87378%
- In a facility24922%
Dr. Masonis compared with the North Carolina median for orthopedic surgeons, 2024
- Dr. Masonis
- North Carolina median
- Medicare services
- 1,122vs 99613% above
- Medicare patients
- 374vs 24155% above
- Part D claims
- 120vs 15724% below
Medians across 792 orthopedic surgeons in North Carolina with Dmand AI profiles that report each measure.
Dr. Masonis' most billed Medicare procedure codes, 2024
CMS publishes codes billed for 11 or more Medicare patients. Each label is the code family; CPT descriptions are licensed by the AMA.
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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. John Leander Masonis treated 374 Medicare patients in 2024, average age 73
CMS counts 374 Medicare patients who saw Dr. Masonis in 2024. The largest group is 65 to 74, with 206 patients. 75% of them have arthritis, and 73% have high cholesterol. Their average risk score is 0.93, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Masonis' median patient age at 69, with 57% women.
Dr. Masonis' Medicare patients by age, 2024
Dr. Masonis' Medicare patients by sex, 2024
- Women23061%
- Men14439%
Chronic conditions among Dr. Masonis' Medicare patients, 2024
- Arthritis75%
- High cholesterol73%
- High blood pressure64%
- Ischemic heart disease21%
- Mood disorders21%
- Anxiety20%
- Depression20%
- Diabetes19%
Share of Medicare patients with each condition. A patient can have several.
Dr. Masonis' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 69
Patient panel by sex, all payers
- Women57%
- Men43%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. John Leander Masonis wrote 163 Medicare Part D claims in 2024
In 2024, Dr. Masonis wrote 163 Medicare Part D claims for 98 patients. 98% of them were for generic drugs. CMS names the drug for 120 of them, across 5 drugs with 11 or more claims each, at $342 in total drug cost. In 2023, CMS named 191 claims across 6 drugs.
Dr. Masonis' Part D claims by kind of drug, 2024
- Generic160 claims98%
- Brand-name and other3 claims2%
Dr. Masonis' most prescribed drugs by claims, 2024
CMS names a drug when it has 11 or more claims. Share is of the claims for drugs CMS names.
Drug classes CMS tracks in Dr. Masonis' Part D claims, 2024
- Antibiotics48%78 of 163 claims
Share of all Part D claims for each drug class CMS reports on. Classes with no claims are left out.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 1912024: 12037%
Drugs named by CMS: 5 in 2024, 6 in 2023.
Sources: Medicare Part D Prescribers - by Provider and Drug (CMS), 2024 data, released May 6, 2026; and Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. John Leander Masonis scored 94 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 94 out of 100 for Dr. Masonis for performance year 2024, reported through an alternative payment model (APM). Dr. Masonis accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS lists Dr. Masonis as offering telehealth. CMS counts 82 procedures of hip replacement by Dr. Masonis, more than 95% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
- Offers telehealth
- Yes
Dr. Masonis' MIPS scores, performance year 2024
- 94of 100Final score
- 81.6of 100Quality
- 100of 100Promoting Interoperability
- 40of 100Improvement Activities
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Masonis ranks in Medicare procedure volume
- Knee replacement
- 91st percentile89 procedures
- Hip replacement
- 95th percentile82 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Lower limb (leg) arthroscopy (minimally invasive joint repair): 1 to 10 procedures (CMS shows small counts as a range)
Sources: Doctors and Clinicians National Downloadable File (CMS); Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026; and Doctors and Clinicians Utilization Data (CMS)
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Dr. John Leander Masonis received $4,038,139 in industry payments from 2016 to 2025
CMS Open Payments shows 695 general payments to Dr. Masonis from 21 drug and device companies from 2016 to 2025. Royalties and licenses make up the largest share, 73% of the total. Zimmer Biomet Holdings, Inc. paid the most, $1,935,219. It also lists 28 research payments totaling $39,897 from 2016 to 2021.
General payments to Dr. Masonis by program year, 2016 to 2025
General payments to Dr. Masonis by kind, 2016 to 2025
- Royalties and licenses$2,919,06873%
- Consulting fees$643,15916%
- Acquisitions$240,7776%
- Speaker and faculty fees$88,3152%
- Other$124,9513%
Companies that paid Dr. Masonis the most, 2016 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. John Leander Masonis graduated from Jefferson Medical College of Thomas Jefferson University
Dr. Masonis graduated from Jefferson Medical College of Thomas Jefferson University in 1996.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. John Leander Masonis's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | Dmand AI Affiliation Data |
| Primary practice, affiliations and health system | Dmand AI Affiliation Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| State medians for the same specialty | Dmand AI Peer Benchmarks |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider and Drug (CMS) (opens in a new tab)Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Clinician Public Reporting: Overall MIPS Performance (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Dr. John Leander Masonis
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Dr. John Leander Masonis' NPI number?
Dr. John Leander Masonis' NPI number is 1730162090. It was assigned on November 21, 2005, and it is active in the NPI Registry.
What kind of doctor is Dr. John Leander Masonis?
Dr. John Leander Masonis is an orthopedic surgeon in Charlotte, North Carolina. The primary specialty in the NPI Registry is Orthopaedic Surgery Physician (taxonomy code 207X00000X).
Where does Dr. John Leander Masonis practice?
Dr. Masonis practices at 3621 Randolph Rd, Charlotte, NC 28211. Dr. Masonis' primary practice is Charlotte Surgery Center Wendover Campus - HOPD in Charlotte, North Carolina. Dmand AI also links Dr. Masonis to 2 hospitals, 3 group practices and clinics, 3 medical groups, 1 home health agency and 1 ambulatory surgery center.
What is Dr. John Leander Masonis' medical license number?
Dr. Masonis holds North Carolina license 9701478.
Which hospitals is Dr. John Leander Masonis affiliated with?
Dr. Masonis is affiliated with Atrium Health Carolinas Medical Center. Dmand AI links Dr. Masonis to 2 more hospitals.
What medical group is Dr. John Leander Masonis part of?
Dr. Masonis is linked to Atrium Health Levine Children's Gastroenterology. Dmand AI links Dr. Masonis to 3 more medical groups.
Does Dr. John Leander Masonis accept Medicare?
Yes. CMS data shows Dr. Masonis billed Medicare for 1,122 services in 2024, and Dr. Masonis accepts Medicare assignment.
Does Dr. John Leander Masonis offer telehealth?
Yes. The CMS Doctors and Clinicians file lists Dr. Masonis as offering telehealth services.
What is Dr. John Leander Masonis' MIPS score?
Dr. Masonis' MIPS final score for performance year 2024 is 94 out of 100, reported through an alternative payment model (APM).
How many Medicare patients does Dr. John Leander Masonis see?
CMS counts 374 Medicare patients who saw Dr. Masonis in 2024, with an average age of 73.
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What services does Dr. John Leander Masonis bill to Medicare?
In 2024, Dr. Masonis' most billed Medicare services were office visit, established patient (99214), diagnostic imaging (73562) and office visit, established patient (99213).
Where did Dr. John Leander Masonis go to medical school?
Dr. Masonis graduated from Jefferson Medical College of Thomas Jefferson University in 1996.
What drugs does Dr. John Leander Masonis prescribe most?
In 2024 Medicare Part D data, Dr. Masonis' most prescribed drugs by claims were Meloxicam, Amoxicillin and Clindamycin HCl.
Has Dr. John Leander Masonis received payments from drug or device companies?
CMS Open Payments shows $4,038,139 in general payments to Dr. Masonis from 21 companies from 2016 to 2025. The largest total came from Zimmer Biomet Holdings, Inc.
How long has Dr. John Leander Masonis been practicing?
Dr. Masonis graduated from medical school in 1996, 30 years ago.
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