Ross Eugene Larson, MD
Hospitalist Physician · Evanston, IL
Ross Eugene Larson, MD is a hospitalist physician with a practice address in Evanston, Illinois, and NPI 1992326284, issued on Apr 28, 2020. Check the license (Illinois 036166063, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Ross Eugene Larson
- Credential
- MD
- Primary taxonomy
- Hospitalist Physician 208M00000X
- License numbers
- 036166063 IL
125.077147 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2650 Ridge Ave., Evanston, IL 60201
- Phone
- (847) 570-1010
- Enumerated
- Apr 28, 2020
- Record last updated
- Aug 1, 2023
- Fax
- (847) 733-5108
- Medicare enrollment
- Enrolled (PECOS I20230808002975); accepts Medicare assignment
- Medical or professional school
- Sanford School Of Medicine Of University Of South Dakota, 2020
- Entity
- Type 1 · individual
8 nearest hospitalist physician records → All 1,535 in Illinois → Look up another NPI →
Also registered at 2650 Ridge Ave.
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Indu Agarwal, M.D.Anatomic Pathology & Clinical Pathology Physician1831573898
- Lorraine Aguada, NPNurse Practitioner1144996059
- Mark Agustin, ACNPNurse Practitioner1730855677
- Avais Ahmed, M.D.Anesthesiology Physician1770087918
- Aleksandar Alavanja, MDDiagnostic Radiology Physician1619321106
Verify Ross Eugene Larson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036166063Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
93% fewer Medicare Part D claims than the average hospitalist physician in 2024
34 Medicare Part D claims, against an average of 521 among the 21,613 providers of this specialty who prescribed in Part D.
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 MIPS final score for 2023 (Medicare payment program): 93.1 of 100
The Merit-based Incentive Payment System score is reported for this clinician. 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; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $57.37
2 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 7,324 providers of this specialty with any payment received $494.84 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 one group practice
- Endeavor Health Medical GroupEvanston, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Ross Eugene Larson among 1,535 hospitalist physician records in Illinois
Ross Eugene Larson, MD is one of 1,535 hospitalist physician records with a practice address in Illinois. 92% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2020, is newer than 79% of them.
- NPI issued2020 · 79% of these records are older, 14% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileYes · 87% of these records are
- Graduated2020 · median 2013 among the 1,339 with a school on file
- Record last updated2023 · 32% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208M00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
128 hospitalist physician records list a practice address in Evanston
They are 128 of the 4,013 NPPES records with a practice address in Evanston, and 1,535 hospitalist physician records in Illinois.
All 1,535 in Illinois → Every provider in Evanston → Hospitalist Physician nationwide →
The 8 hospitalist physician records with the nearest ZIP codes
- Michelle Aquino, D.O.Evanston, IL 602011851354484
- Julie Barton, M.D.Evanston, IL 602011245214386
- David De Leon, MDEvanston, IL 602011417022583
- Ayesha Fareeduddin, MDEvanston, IL 602011326072463
- Michael Huang, MDEvanston, IL 602011255350849
- Adela Kola, MDEvanston, IL 602011003888397
- Louise Matthews, M.D.Evanston, IL 602011538187687
- Paul Miller, M.D.Evanston, IL 602011356357792
Common questions
What is Ross Eugene Larson, MD's NPI number?
Ross Eugene Larson, MD's National Provider Identifier (NPI) is 1992326284, issued on Apr 28, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Ross Eugene Larson, MD located?
The NPPES record lists a practice address at 2650 Ridge Ave., Evanston, IL, 60201. Phone: (847) 570-1010. Providers update this record themselves, so call before visiting.
How can I verify Ross Eugene Larson, MD's license?
NPPES lists Illinois license number 036166063, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Ross Eugene Larson, MD prescribe under Medicare Part D?
In 2024, Ross Eugene Larson, MD had 34 Medicare Part D claims; the average among hospitalist physician prescribers was 521. Part D covers Medicare prescriptions only.
What is Ross Eugene Larson, MD's MIPS final score?
The 2023 MIPS final score is 93.1 of 100. 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.