Jacob Lagene Rorabaugh, MD
Internal Medicine Physician · Chicago, IL
Jacob Lagene Rorabaugh, MD is an internal medicine physician with a practice address in Chicago, Illinois, and NPI 1659865632, issued on Jun 21, 2018. Check the license (Illinois 036157873, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Jacob Lagene Rorabaugh
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 036157873 IL
Self-reported in NPPES; status is on the state search - Practice location
- 2355 S Western Ave, Chicago, IL 60608
- Phone
- (773) 254-1400
- Enumerated
- Jun 21, 2018
- Record last updated
- Feb 12, 2025
- Medicare enrollment
- Enrolled (PECOS I20211008002800); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 2355 S Western Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Brittany Hay, CNMAdvanced Practice Midwife1265782122
- Alexandra Holey, CNMMidwife1831640119
Verify Jacob Lagene Rorabaugh 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 036157873Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
58% fewer Medicare Part D claims than the average internal medicine physician in 2024
1,320 Medicare Part D claims for 151 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 18% of claims.
Most prescribed
- Atorvastatin Calcium112 claims
- Amlodipine Besylate61 claims
- Metformin Hcl61 claims
- Lisinopril56 claims
- Jardiance45 claims
- Losartan Potassium44 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.
Bills Medicare through one group practice
- Alivio Medical Center, Inc.Chicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Jacob Lagene Rorabaugh among 7,238 internal medicine physician records in Illinois
Jacob Lagene Rorabaugh, MD 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 2018, is newer than 66% of them.
- NPI issued2018 · 66% of these records are older, 32% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2016 · median 2003 among the 3,580 with a school on file
- Record last updated2025 · 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 →
The 8 internal medicine physician records with the nearest ZIP codes
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- Girija Kumar, M.D.Chicago, IL 606081861486250
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Common questions
What is Jacob Lagene Rorabaugh, MD's NPI number?
Jacob Lagene Rorabaugh, MD's National Provider Identifier (NPI) is 1659865632, issued on Jun 21, 2018. An NPI identifies a provider in billing; it is not a license.
Where is Jacob Lagene Rorabaugh, MD located?
The NPPES record lists a practice address at 2355 S Western Ave, Chicago, IL, 60608. Phone: (773) 254-1400. Providers update this record themselves, so call before visiting.
How can I verify Jacob Lagene Rorabaugh, MD's license?
NPPES lists Illinois license number 036157873, 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 Jacob Lagene Rorabaugh, MD prescribe under Medicare Part D?
In 2024, Jacob Lagene Rorabaugh, MD had 1,320 Medicare Part D claims for 151 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.