Kristian Russell Larson, MD
Psychiatry Physician · Chicago, IL
Kristian Russell Larson, MD is a psychiatry physician with a practice address in Chicago, Illinois, and NPI 1336885995, issued on May 6, 2022. Check the license (Illinois 125.079623, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kristian Russell Larson
- Credential
- MD
- Primary taxonomy
- Psychiatry Physician 2084P0800X
- License number
- 125.079623 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2150 W Harrison St, Chicago, IL 60612
- Phone
- (312) 942-5375
- Enumerated
- May 6, 2022
- Record last updated
- May 6, 2022
- Entity
- Type 1 · individual
8 nearest psychiatry physician records → All 2,147 in Illinois → Look up another NPI →
Also registered at 2150 W Harrison St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Catherine Byrne, PH.D.Clinical Psychologist1356952980
Verify Kristian Russell 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 125.079623Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average psychiatry physician in 2024
233 Medicare Part D claims for 30 beneficiaries, against an average of 1,000 among the 35,054 providers of this specialty who prescribed in Part D.
Most prescribed
- Quetiapine Fumarate19 claims
- Gabapentin16 claims
- Venlafaxine Hcl Er16 claims
- Clozapine15 claims
- Escitalopram Oxalate15 claims
- Fluoxetine Hcl11 claims
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.
Kristian Russell Larson among 2,147 psychiatry physician records in Illinois
Kristian Russell Larson, MD is one of 2,147 psychiatry physician records with a practice address in Illinois. 69% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2022, is newer than 88% of them.
- NPI issued2022 · 88% of these records are older, 9% newer
- In a Medicare fileYes · 69% of these records are
- In the CMS Doctors and Clinicians fileNo · 41% of these records are
- Record last updated2022 · 53% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084P0800X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
841 psychiatry physician records list a practice address in Chicago
They are 841 of the 63,379 NPPES records with a practice address in Chicago, and 2,147 psychiatry physician records in Illinois.
All 2,147 in Illinois → Every provider in Chicago → Psychiatry Physician nationwide →
The 8 psychiatry physician records with the nearest ZIP codes
- Olusola Ajilore, M.D.Chicago, IL 606121740213347
- Sybil Circle, MDChicago, IL 606121861509879
- Rodney EigerChicago, IL 606121982717120
- Peter Fore, M.D.Chicago, IL 606121023125838
- Cheryl Gaines, M.D., M.A.Chicago, IL 606121346358009
- Yakov GertsbergChicago, IL 606121215940598
- Nafisa GhadialiChicago, IL 606121215940416
- Kalman KaplanChicago, IL 606121902819279
Common questions
What is Kristian Russell Larson, MD's NPI number?
Kristian Russell Larson, MD's National Provider Identifier (NPI) is 1336885995, issued on May 6, 2022. An NPI identifies a provider in billing; it is not a license.
Where is Kristian Russell Larson, MD located?
The NPPES record lists a practice address at 2150 W Harrison St, Chicago, IL, 60612. Phone: (312) 942-5375. Providers update this record themselves, so call before visiting.
How can I verify Kristian Russell Larson, MD's license?
NPPES lists Illinois license number 125.079623, 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 Kristian Russell Larson, MD prescribe under Medicare Part D?
In 2024, Kristian Russell Larson, MD had 233 Medicare Part D claims for 30 beneficiaries; the average among psychiatry physician prescribers was 1,000. Part D covers Medicare prescriptions only.
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.