Jeffrey A. Olson, M.D,
Internal Medicine Physician · Chicago, IL
Jeffrey A. Olson, M.D, is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1952374795, issued on Feb 10, 2006. Check the license on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jeffrey A. Olson
- Credential
- M.D,
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- A75543 CA
Self-reported in NPPES; status is on the state search - Practice location
- 5215 N California Ave, Chicago, IL 60625
- Phone
- (773) 878-3627
- Enumerated
- Feb 10, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (773) 275-5860
- Medicare enrollment
- Enrolled (PECOS I20080926000634); accepts Medicare assignment
- Medical or professional school
- R Franklin University Of Med & Sci/Chicago Medical School, 1999
- Entity
- Type 1 · individual
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Also registered at 5215 N California Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Jeffrey A. Olson in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional RegulationCheck the board
- 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
3.9 times the Medicare Part D claims of the average internal medicine physician in 2024
12,335 Medicare Part D claims for 423 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 15% of claims. 60 claims were for opioids.
Most prescribed
- Atorvastatin Calcium862 claims
- Amlodipine Besylate380 claims
- Eliquis360 claims
- Gabapentin347 claims
- Pantoprazole Sodium347 claims
- Furosemide289 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.
Industry payments in 2024: $170.09
1 payment: food and beverage; the largest payer was Volta Medical Inc. The 50,334 providers of this specialty with any payment received $1,303.06 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
- Vivek Gupta, M.D., S.C.Chicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jeffrey A. Olson among 7,238 internal medicine physician records in Illinois
Jeffrey A. Olson, M.D, is one of 7,238 internal medicine physician records with a practice address in Illinois. 73% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2006, is newer than 7% of them.
- NPI issued2006 · 7% of these records are older, 61% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated1999 · median 2003 among the 3,580 with a school on file
- Record last updated2023 · 47% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207R00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
2,867 internal medicine physician records list a practice address in Chicago
They are 2,867 of the 63,379 NPPES records with a practice address in Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in Chicago → Internal Medicine Physician nationwide →
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Common questions
What is Jeffrey A. Olson, M.D,'s NPI number?
Jeffrey A. Olson, M.D,'s National Provider Identifier (NPI) is 1952374795, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.
Where is Jeffrey A. Olson, M.D, located?
The NPPES record lists a practice address at 5215 N California Ave, Chicago, IL, 60625. Phone: (773) 878-3627. Providers update this record themselves, so call before visiting.
How can I verify Jeffrey A. Olson, M.D,'s license?
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 Jeffrey A. Olson, M.D, prescribe under Medicare Part D?
In 2024, Jeffrey A. Olson, M.D, had 12,335 Medicare Part D claims for 423 beneficiaries; the average among internal medicine physician prescribers was 3,176. 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.