Dr. Ross Eugene Larson, MD
- Medicare services, 2024
- 31
- Medicare patients, 2024
- 40
- Part D claims, 2024
- 34
- MIPS score, 2024
- 85
- Hospital affiliations
- 1
- Practice address
- 777 Park W Ave, Highland Park, IL 60035
- Practice phone
- Call (847) 432-8000
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
Highland Park Hospital
Highland Park, Illinois
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. Ross Eugene Larson is a hospitalist in Highland Park, Illinois
Dr. Larson practices at Highland Park Hospital in Highland Park, Illinois.
Dr. Larson's NPI, 1992326284, was assigned on April 28, 2020. Dr. Larson graduated from Sanford School of Medicine of University of South Dakota in 2020. Dr. Larson holds Illinois license 036166063.
- NPI
- 1992326284NPI Registry (opens in a new tab)
- Medicare PAC ID
- 8729402789
- NPI enumeration date
- April 28, 2020
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (847) 432-8000
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Male
- Estimated age
- 32
- Medical school graduation
- 2020
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Dr. Ross Eugene Larson practices at Highland Park Hospital in Highland Park, Illinois
Dr. Larson's primary practice is Highland Park Hospital, at 777 Park W Ave, Highland Park, IL 60035 in Lake County. The practice phone is (847) 432-8000.
- Highland Park Hospital777 Park W Ave, Highland Park, IL 60035 · Lake CountyPhone(847) 432-8000
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Dr. Ross Eugene Larson is affiliated with 2 sites of care and 1 medical group
Dr. Larson's primary practice is Highland Park Hospital in Highland Park, Illinois. Dr. Larson is also affiliated with Evanston Hospital. The medical group on file is Endeavor Health Medical Group.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; Dmand AI Affiliation Data; and Dmand AI Org Hierarchy Data
Dmand AI tracks the EHR system at Dr. Ross Eugene Larson's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Dr. Larson practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| Highland Park Hospital | Available with a free account |
| +1 more affiliated site | Available with a free account |
Source: Dmand AI Technology Install Data
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Dr. Ross Eugene Larson is one of 1,321 hospitalists in Illinois
Hospitalist is Dr. Larson's primary specialty in the NPI Registry, under taxonomy code 208M00000X. Dr. Larson is licensed in Illinois.
Specialties and state licenses
- Hospitalist, IllinoisPrimary
Hospitalists near Dr. Larson
Counts of hospitalists 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. Ross Eugene Larson billed Medicare for 31 services in 2024
CMS data shows 31 Medicare services from Dr. Larson across 1 procedure code in 2024, for 40 Medicare patients. Medicare paid $5,395 for them. Every service was in a facility, such as a hospital, rather than an office.
Dr. Larson compared with the Illinois median for hospitalists, 2024
- Dr. Larson
- Illinois median
- Medicare services
- 31vs 54394% below
- Medicare patients
- 40vs 24283% below
Medians across 1,248 hospitalists in Illinois with Dmand AI profiles that report each measure.
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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Sources: Medicare Physician & Other Practitioners - by Provider and Service (CMS), 2024 data; and Dmand AI Peer Benchmarks
Dr. Ross Eugene Larson treated 40 Medicare patients in 2024, average age 79
CMS counts 40 Medicare patients who saw Dr. Larson in 2024. The largest group is 75 to 84, with 15 patients. 75% of them have high blood pressure, and 75% have high cholesterol. Their average risk score is 3.24, where 1.00 is the Medicare average, so they are sicker than most Medicare patients.
Across all payers, Dmand AI patient panel data puts Dr. Larson's median patient age at 66, with 57% women.
Dr. Larson's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Dr. Larson's Medicare patients by sex, 2024
- Women1743%
- Men2357%
Chronic conditions among Dr. Larson's Medicare patients, 2024
- High blood pressure75%
- High cholesterol75%
- Arthritis70%
- Chronic kidney disease70%
- Diabetes60%
- Heart failure60%
- Atrial fibrillation55%
- Ischemic heart disease55%
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 66
Patient panel by sex, all payers
- Women57%
- Men42%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Dr. Ross Eugene Larson wrote 34 Medicare Part D claims in 2024
In 2024, Dr. Larson wrote 34 Medicare Part D claims. 97% of them were for generic drugs.
Dr. Larson's Part D claims by kind of drug, 2024
- Generic33 claims97%
- Brand-name and other1 claims3%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Dr. Ross Eugene Larson scored 85 out of 100 in Medicare's MIPS program for 2024
CMS publishes a Merit-based Incentive Payment System (MIPS) score of 85 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.
- Accepts Medicare assignment
- Yes
Dr. Larson's MIPS scores, performance year 2024
- 85of 100Final score
- 75.9of 100Quality
- 99of 100Promoting Interoperability
- 40of 100Improvement Activities
- 75of 100Cost
Each score is out of 100. The final score weighs the categories CMS scored for this clinician.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Clinician Public Reporting: Overall MIPS Performance (CMS), 2024 data, released September 10, 2026
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Dr. Ross Eugene Larson received $57 in industry payments in 2024
CMS Open Payments shows 2 general payments to Dr. Larson from 2 drug and device companies in 2024. Food and beverage make up the largest share, 100% of the total. Boston Scientific Corporation paid the most, $40.
Companies that paid Dr. Larson the most, 2024 to 2024
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Dr. Ross Eugene 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 2020.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Dr. Ross Eugene 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 | 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 DataDmand AI Org Hierarchy 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 (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) |
| 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. Ross Eugene 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. Ross Eugene Larson's NPI number?
Dr. Ross Eugene Larson's NPI number is 1992326284. It was assigned on April 28, 2020, and it is active in the NPI Registry.
What kind of doctor is Dr. Ross Eugene Larson?
Dr. Ross Eugene Larson is a hospitalist in Highland Park, Illinois. The primary specialty in the NPI Registry is Hospitalist Physician (taxonomy code 208M00000X).
Where does Dr. Ross Eugene Larson practice?
Dr. Larson practices at 777 Park W Ave, Highland Park, IL 60035. Dr. Larson's primary practice is Highland Park Hospital in Highland Park, Illinois.
What is Dr. Ross Eugene Larson's office phone number?
The practice phone on file for Dr. Larson is (847) 432-8000.
What is Dr. Ross Eugene Larson's medical license number?
Dr. Larson holds Illinois license 036166063, one of 2 state licenses on file.
Which hospitals is Dr. Ross Eugene Larson affiliated with?
Dr. Larson is affiliated with Evanston Hospital.
What medical group is Dr. Ross Eugene Larson part of?
Dr. Larson is linked to Endeavor Health Medical Group.
Does Dr. Ross Eugene Larson accept Medicare?
Yes. CMS data shows Dr. Larson billed Medicare for 31 services in 2024, and Dr. Larson accepts Medicare assignment.
What is Dr. Ross Eugene Larson's MIPS score?
Dr. Larson's MIPS final score for performance year 2024 is 85 out of 100, reported as part of a group.
How many Medicare patients does Dr. Ross Eugene Larson see?
CMS counts 40 Medicare patients who saw Dr. Larson in 2024, with an average age of 79.
Show 4 more questionsShow fewer questions
What services does Dr. Ross Eugene Larson bill to Medicare?
In 2024, Dr. Larson's most billed Medicare services were critical care (99291).
Where did Dr. Ross Eugene Larson go to medical school?
Dr. Larson graduated from Sanford School of Medicine of University of South Dakota in 2020.
Has Dr. Ross Eugene Larson received payments from drug or device companies?
CMS Open Payments shows $57 in general payments to Dr. Larson from 2 companies from 2024 to 2024. The largest total came from Boston Scientific Corporation.
How long has Dr. Ross Eugene Larson been practicing?
Dr. Larson graduated from medical school in 2020, 6 years ago.
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