Dr. Nelson C. Klaus III, MD
- Medicare services, 2024
- 3,526
- Medicare patients, 2024
- 1,329
- Part D claims, 2024
- 2,478
- MIPS score, 2024
- 92
- Industry payments
- $2,058
- Practice address
- 2090 SE Ocean Blvd, Stuart, FL 34996
- Practice phone
- Call (772) 287-8777
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Stuart Eye Institute PA
Stuart, Florida
Find Dr. Klaus' professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Dr. Nelson C. Klaus III is an ophthalmologist in Stuart, Florida
Dr. Klaus practices at Stuart Eye Institute PA in Stuart, Florida.
Dr. Klaus' NPI, 1154373322, was assigned on May 16, 2006. Dr. Klaus graduated from University of North Carolina School of Medicine in 1997. Dr. Klaus holds Florida license ME-82002.
- NPI
- 1154373322NPI Registry (opens in a new tab)
- Medicare PAC ID
- 6608903125
- NPI enumeration date
- May 16, 2006
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (772) 287-8777
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 55
- Medical school graduation
- 1997
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Nelson C. Klaus III practices at Stuart Eye Institute PA in Stuart, Florida
Dr. Klaus' primary practice is Stuart Eye Institute PA, at 2090 SE Ocean Blvd, Stuart, FL 34996 in Martin County. The practice phone is (772) 287-8777.
- Stuart Eye Institute PA2090 SE Ocean Blvd, Stuart, FL 34996 · Martin CountyPhone(772) 287-8777
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Nelson C. Klaus III is affiliated with 2 sites of care and 1 medical group
Dr. Klaus' primary practice is Stuart Eye Institute PA in Stuart, Florida. Dmand AI also links Dr. Klaus to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Dr. Nelson C. Klaus III's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Klaus practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Stuart Eye Institute PA | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
For health IT teams
Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.
Dr. Nelson C. Klaus III is one of 1,398 ophthalmologists in Florida
Ophthalmology is Dr. Klaus' primary specialty in the NPI Registry, under taxonomy code 207W00000X. Dr. Klaus is board certified in ophthalmology by the American Board of Ophthalmology. Dmand AI has Dr. Klaus' licenses on file in 2 states: Florida and Texas.
Specialties and state licenses
- Ophthalmology, FloridaPrimary
- Texas license
Clinical focus
Dmand AI lists age-related macular degeneration, cataract, cataract surgery with lens implant, cold sores or genital herpes, conjunctivitis, dry eye, eye infection or inflammation and eyelid inflammation among the conditions Dr. Klaus treats.
Ophthalmologists near Dr. Klaus
Counts of ophthalmologists 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. Nelson C. Klaus III billed Medicare for 3,526 services in 2024
CMS data shows 3,526 Medicare services from Dr. Klaus across 20 procedure codes in 2024, for 1,329 Medicare patients. Medicare paid $297,008 for them.
Dr. Klaus' Medicare services by type, 2023 to 2024
- 2023
- 2024
- Office and hospital visits
- 2023: 1,9462024: 1,8793%
- Tests and treatments
- 2023: 1,2752024: 1,3718%
- Surgery
- 2023: 2452024: 2606%
- Imaging
- 2023: 172024: 166%
Where Dr. Klaus' Medicare services took place, 2024
- In an office3,36495%
- In a facility1625%
Dr. Klaus compared with the Florida median for ophthalmologists, 2024
- Dr. Klaus
- Florida median
- Medicare services
- 3,526vs 1,6992.1 times
- Medicare patients
- 1,329vs 5572.4 times
- Part D claims
- 2,374vs 8182.9 times
Medians across 1,345 ophthalmologists in Florida with Dmand AI profiles that report each measure.
Dr. Klaus' 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.
Need commercial claims for Dr. Klaus?
Medicare shows one payer. Book a meeting to get commercial claims data for Dr. Klaus and other ophthalmologists in Florida.
Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Nelson C. Klaus III treated 1,329 Medicare patients in 2024, average age 79
CMS counts 1,329 Medicare patients who saw Dr. Klaus in 2024. The largest group is 75 to 84, with 696 patients. 75% of them have high cholesterol, and 73% have high blood pressure. 2% are also on Medicaid. Their average risk score is 1.10, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Klaus' median patient age at 78, with 60% women.
Dr. Klaus' Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Klaus' Medicare patients by sex, 2024
- Women80861%
- Men52139%
Chronic conditions among Dr. Klaus' Medicare patients, 2024
- High cholesterol75%
- High blood pressure73%
- Arthritis49%
- Ischemic heart disease30%
- Diabetes24%
- Anxiety23%
- Chronic kidney disease21%
- Osteoporosis21%
Share of Medicare patients with each condition. A patient can have several.
Dr. Klaus' patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 78
Patient panel by sex, all payers
- Women60%
- Men39%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Nelson C. Klaus III wrote 2,478 Medicare Part D claims in 2024
In 2024, Dr. Klaus wrote 2,478 Medicare Part D claims for 648 patients. 66% of them were for generic drugs. CMS names the drug for 2,374 of them, across 27 drugs with 11 or more claims each, at $288,656 in total drug cost. In 2023, CMS named 2,397 claims across 27 drugs.
Dr. Klaus' Part D claims by kind of drug, 2024
- Generic1,632 claims66%
- Brand-name846 claims34%
Dr. Klaus' 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. Klaus' Part D claims, 2024
- Antibiotics1%16 of 2,478 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: 2,3972024: 2,3741%
Drugs named by CMS: 27 in 2024, 27 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. Nelson C. Klaus III scored 92 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 92 out of 100 for Dr. Klaus for performance year 2024, reported as part of a group. Dr. Klaus accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 233 procedures of cataract surgery by Dr. Klaus, more than 86% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Klaus' MIPS scores, performance year 2024
- 92of 100Final score
- 97.6of 100Quality
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Klaus ranks in Medicare procedure volume
- Cataract surgery
- 86th percentile233 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Removal or shaving of skin growth: 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)
For MedTech and pharma teams
Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.
Dr. Nelson C. Klaus III received $2,058 in industry payments from 2016 to 2025
CMS Open Payments shows 84 general payments to Dr. Klaus from 19 drug and device companies from 2016 to 2025. Food and beverage make up the largest share, 78% of the total. Shire North American Group Inc paid the most, $487.
General payments to Dr. Klaus by program year, 2016 to 2025
General payments to Dr. Klaus by kind, 2016 to 2025
- Food and beverage$1,60678%
- Education$45222%
Companies that paid Dr. Klaus 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. Nelson C. Klaus III graduated from University of North Carolina School of Medicine
Dr. Klaus graduated from University of North Carolina School of Medicine in 1997.
- Medical school
- Board certified in ophthalmology
- Board certified in ophthalmology
Source: Dmand AI Professional Profile Data
Dr. Nelson C. Klaus III accepts plans from 15 insurance carriers
Dr. Klaus is in network with 15 carriers, including Excellus BlueCross BlueShield, Elevance and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
- Excellus BlueCross BlueShield
- Elevance
- United Healthcare
- Cigna
- HCSC
- Aetna
- Aspirus Health Plan
- Blue Cross Blue Shield of Michigan
- +7 more carriersWith a free account
Plan types Dr. Klaus accepts, by number of carriers
- PPO10
- HMO9
- Medicare7
- EPO4
- POS3
Source: Dmand AI Insurance Network Data
Sources for Dr. Nelson C. Klaus III'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 | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand 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 |
| Insurance carriers and plan types | Dmand AI Insurance Network 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. Nelson C. Klaus III
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. Nelson C. Klaus III's NPI number?
Dr. Nelson C. Klaus III's NPI number is 1154373322. It was assigned on May 16, 2006, and it is active in the NPI Registry.
What kind of doctor is Dr. Nelson C. Klaus III?
Dr. Nelson C. Klaus III is an ophthalmologist in Stuart, Florida. The primary specialty in the NPI Registry is Ophthalmology Physician (taxonomy code 207W00000X).
Where does Dr. Nelson C. Klaus III practice?
Dr. Klaus practices at 2090 SE Ocean Blvd, Stuart, FL 34996. Dr. Klaus' primary practice is Stuart Eye Institute PA in Stuart, Florida. Dmand AI also links Dr. Klaus to 1 group practice or clinic and 1 medical group.
What is Dr. Nelson C. Klaus III's office phone number?
The practice phone on file for Dr. Klaus is (772) 287-8777.
What is Dr. Nelson C. Klaus III's medical license number?
Dr. Klaus holds Florida license ME-82002, one of the licenses on file in 2 states.
Which states has Dr. Nelson C. Klaus III been licensed in?
Dmand AI has state licenses on file for Dr. Klaus in Florida (2001 to 2026) and Texas (1998 to 2026).
Does Dr. Nelson C. Klaus III accept Medicare?
Yes. CMS data shows Dr. Klaus billed Medicare for 3,526 services in 2024, and Dr. Klaus accepts Medicare assignment.
What is Dr. Nelson C. Klaus III's MIPS score?
Dr. Klaus' MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Nelson C. Klaus III see?
CMS counts 1,329 Medicare patients who saw Dr. Klaus in 2024, with an average age of 79.
Is Dr. Nelson C. Klaus III board certified?
Yes. Dr. Klaus is board certified in ophthalmology by the American Board of Ophthalmology.
Show 6 more questionsShow fewer questions
What services does Dr. Nelson C. Klaus III bill to Medicare?
In 2024, Dr. Klaus' most billed Medicare services were office visit, established patient (99214), office visit, established patient (99213) and eye exam or test (92133).
Where did Dr. Nelson C. Klaus III go to medical school?
Dr. Klaus graduated from University of North Carolina School of Medicine in 1997.
What drugs does Dr. Nelson C. Klaus III prescribe most?
In 2024 Medicare Part D data, Dr. Klaus' most prescribed drugs by claims were Latanoprost, Dorzolamide-Timolol and Timolol Maleate.
Has Dr. Nelson C. Klaus III received payments from drug or device companies?
CMS Open Payments shows $2,058 in general payments to Dr. Klaus from 19 companies from 2016 to 2025. The largest total came from Shire North American Group Inc.
How long has Dr. Nelson C. Klaus III been practicing?
Dr. Klaus graduated from medical school in 1997, 29 years ago.
What insurance does Dr. Nelson C. Klaus III accept?
Dr. Klaus is in network with 15 carriers, including Excellus BlueCross BlueShield, Elevance and United Healthcare. PPO plans come from the most carriers, 10. Check the plan with the practice before a visit.
Selling to ophthalmology practices?
See ophthalmologists in Florida by site of care and group
Find the practices, groups and hospitals they work with, and the right people to contact at each.
- 30 days free
- Self-serve
- No credit card