Dr. Mark Daniel Larson, MD
- Medicare services, 2024
- 371
- Medicare patients, 2024
- 174
- Part D claims, 2024
- 832
- MIPS score, 2024
- 92
- Hospital affiliations
- 1
- Practice address
- 10148 S 27th St, Oak Creek, WI 53154
- Practice phone
- Call (262) 208-4676
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Eye Surgery Center of Wisconsin
Surgery Center - Medicare-Certified · Oak Creek, Wisconsin
Find Dr. Larson's 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. Mark Daniel Larson is a glaucoma specialist (ophthalmology) physician in Oak Creek, Wisconsin
Dr. Larson practices at Eye Surgery Center of Wisconsin in Oak Creek, Wisconsin.
Dr. Larson's NPI, 1831651868, was assigned on March 31, 2019. Dr. Larson graduated from Sanford School of Medicine of University of South Dakota in 2019. Dr. Larson holds Wisconsin license 84144-20.
- NPI
- 1831651868NPI Registry (opens in a new tab)
- Medicare PAC ID
- 4082037999
- NPI enumeration date
- March 31, 2019
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (262) 208-4676
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 33
- Medical school graduation
- 2019
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Affiliation Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Mark Daniel Larson practices at Eye Surgery Center of Wisconsin in Oak Creek, Wisconsin
Dr. Larson's primary practice is Eye Surgery Center of Wisconsin, at 10148 S 27th St, Oak Creek, WI 53154. The practice phone is (262) 208-4676.
- Eye Surgery Center of Wisconsin10148 S 27th St, Oak Creek, WI 53154Phone(262) 208-4676
Source: Dmand AI Affiliation Data
Dr. Mark Daniel Larson is affiliated with 3 sites of care and 1 medical group
Dr. Larson's primary practice is Eye Surgery Center of Wisconsin in Oak Creek, Wisconsin. Dr. Larson is also affiliated with Aurora St. Luke's Medical Center. Dmand AI also links Dr. Larson to 1 more group practice or clinic and 1 medical group, each named with a free account.
Sources: Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Mark Daniel Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices, 3 sites in all. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Eye Surgery Center of Wisconsin | Available with a free account |
| +2 more sites and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Mark Daniel Larson is one of 6 glaucoma specialist (ophthalmology) physicians in Wisconsin
Glaucoma specialist is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 207WX0009X. Dmand AI has Dr. Larson's licenses on file in 2 states: Wisconsin and Minnesota.
Specialties and state licenses
- Glaucoma specialist (ophthalmology), WisconsinPrimary
- Ophthalmology, Minnesota
Glaucoma specialist (ophthalmology) physicians near Dr. Larson
Counts of glaucoma specialist (ophthalmology) physicians 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. Mark Daniel Larson billed Medicare for 371 services in 2024
CMS data shows 371 Medicare services from Dr. Larson across 12 procedure codes in 2024, for 174 Medicare patients. Medicare paid $26,812 for them.
Dr. Larson's Medicare services by type, 2023 to 2024
- 2023
- 2024
- Tests and treatments
- 2023: 622024: 204229%
- Office and hospital visits
- 2023: 592024: 125112%
- Imaging
- 2023: 02024: 23
- Surgery
- 2023: 02024: 19
Where Dr. Larson's Medicare services took place, 2024
- In an office35295%
- In a facility195%
Dr. Larson's 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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Source: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data
Dr. Mark Daniel Larson treated 174 Medicare patients in 2024, average age 74
CMS counts 174 Medicare patients who saw Dr. Larson in 2024. The largest group is 65 to 74, with 76 patients. 74% of them have high blood pressure, and 73% have high cholesterol. 16% are also on Medicaid. Their average risk score is 1.44, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 72, with 58% women.
Dr. Larson's Medicare patients by age, 2024
Dr. Larson's Medicare patients by sex, 2024
- Women10460%
- Men7040%
Chronic conditions among Dr. Larson's Medicare patients, 2024
- High blood pressure74%
- High cholesterol73%
- Arthritis39%
- Diabetes34%
- Chronic kidney disease29%
- Ischemic heart disease28%
- Mood disorders27%
- Depression25%
Share of Medicare patients with each condition. A patient can have several.
Dr. Larson's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 72
Patient panel by sex, all payers
- Women58%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Mark Daniel Larson wrote 832 Medicare Part D claims in 2024
In 2024, Dr. Larson wrote 832 Medicare Part D claims for 231 patients. 65% of them were for generic drugs. CMS names the drug for 748 of them, across 16 drugs with 11 or more claims each, at $36,622 in total drug cost. In 2023, CMS named 761 claims across 16 drugs.
Dr. Larson's Part D claims by kind of drug, 2024
- Generic540 claims65%
- Brand-name292 claims35%
Dr. Larson's 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.
Part D claims for drugs CMS names, 2023 to 2024
- 2023
- 2024
- Claims for drugs CMS names
- 2023: 7612024: 7482%
Drugs named by CMS: 16 in 2024, 16 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. Mark Daniel Larson 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. Larson for performance year 2024, reported as part of a group. Dr. Larson accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 92 procedures of cataract surgery by Dr. Larson, more than 73% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Dr. Larson's MIPS scores, performance year 2024
- 92of 100Final score
- 100of 100Quality
- 40of 100Improvement Activities
- 74of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Where Dr. Larson ranks in Medicare procedure volume
- Cataract surgery
- 73rd percentile92 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
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. Mark Daniel Larson received $2,003 in industry payments from 2023 to 2025
CMS Open Payments shows 32 general payments to Dr. Larson from 10 drug and device companies from 2023 to 2025. Food and beverage make up the largest share, 52% of the total. Alcon Laboratories Inc paid the most, $1,342.
General payments to Dr. Larson by program year, 2023 to 2025
General payments to Dr. Larson by kind, 2023 to 2025
- Food and beverage$1,04152%
- Travel and lodging$96248%
Companies that paid Dr. Larson the most, 2023 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Mark Daniel Larson graduated from Sanford School of Medicine of University of South Dakota
Dr. Larson graduated from Sanford School of Medicine of University of South Dakota in 2019.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Mark Daniel Larson'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 DataDmand AI Org Hierarchy Data |
| Medicare services and procedure codes | Medicare Physician & Other Practitioners - by Provider and Service (CMS) (opens in a new tab) |
| 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. Mark Daniel Larson
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. Mark Daniel Larson's NPI number?
Dr. Mark Daniel Larson's NPI number is 1831651868. It was assigned on March 31, 2019, and it is active in the NPI Registry.
What kind of doctor is Dr. Mark Daniel Larson?
Dr. Mark Daniel Larson is a glaucoma specialist (ophthalmology) physician in Oak Creek, Wisconsin. The primary specialty in the NPI Registry is Glaucoma Specialist (Ophthalmology) Physician (taxonomy code 207WX0009X).
Where does Dr. Mark Daniel Larson practice?
Dr. Larson practices at 10148 S 27th St, Oak Creek, WI 53154. Dr. Larson's primary practice is Eye Surgery Center of Wisconsin in Oak Creek, Wisconsin. Dmand AI also links Dr. Larson to 1 group practice or clinic and 1 medical group.
What is Dr. Mark Daniel Larson's office phone number?
The practice phone on file for Dr. Larson is (262) 208-4676.
What is Dr. Mark Daniel Larson's medical license number?
Dr. Larson holds Wisconsin license 84144-20, one of the licenses on file in 2 states.
Which states has Dr. Mark Daniel Larson been licensed in?
Dmand AI has state licenses on file for Dr. Larson in Wisconsin and Minnesota.
Which hospitals is Dr. Mark Daniel Larson affiliated with?
Dr. Larson is affiliated with Aurora St. Luke's Medical Center.
Does Dr. Mark Daniel Larson accept Medicare?
Yes. CMS data shows Dr. Larson billed Medicare for 371 services in 2024, and Dr. Larson accepts Medicare assignment.
What is Dr. Mark Daniel Larson's MIPS score?
Dr. Larson's MIPS final score for performance year 2024 is 92 out of 100, reported as part of a group.
How many Medicare patients does Dr. Mark Daniel Larson see?
CMS counts 174 Medicare patients who saw Dr. Larson in 2024, with an average age of 74.
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What services does Dr. Mark Daniel Larson bill to Medicare?
In 2024, Dr. Larson's most billed Medicare services were office visit, established patient (99213), eye exam or test (92014) and eye exam or test (92136).
Where did Dr. Mark Daniel Larson go to medical school?
Dr. Larson graduated from Sanford School of Medicine of University of South Dakota in 2019.
What drugs does Dr. Mark Daniel Larson prescribe most?
In 2024 Medicare Part D data, Dr. Larson's most prescribed drugs by claims were Prednisolone Acetate, Latanoprost and Ketorolac Tromethamine.
Has Dr. Mark Daniel Larson received payments from drug or device companies?
CMS Open Payments shows $2,003 in general payments to Dr. Larson from 10 companies from 2023 to 2025. The largest total came from Alcon Laboratories Inc.
How long has Dr. Mark Daniel Larson been practicing?
Dr. Larson graduated from medical school in 2019, 7 years ago.
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