Seth Alexander Kirsch Heithaus, MD
Internal Medicine Physician · North Chicago, IL
Seth Alexander Kirsch Heithaus, MD is an internal medicine physician with a practice address in North Chicago, Illinois, and NPI 1376165977, issued on May 18, 2020. Check the license (Illinois 125.076247, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Seth Alexander Kirsch Heithaus
- Credential
- MD
- Primary taxonomy
- Internal Medicine Physician 207R00000X
- License number
- 125.076247 IL
Self-reported in NPPES; status is on the state search - Practice location
- 3333 Green Bay RD, North Chicago, IL 60064
- Phone
- (847) 578-3000
- Enumerated
- May 18, 2020
- Record last updated
- May 18, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20251024003731); accepts Medicare assignment
- Medical or professional school
- Medical College Of Wisconsin, 2020
- Entity
- Type 1 · individual
8 nearest internal medicine physician records → All 7,238 in Illinois → Look up another NPI →
Also registered at 3333 Green Bay RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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- Adeola Adegbemle, MDInternal Medicine Physician1669725651
- Abiola Adojutelegan, PA STUDENTPhysician Assistant1255134813
- Shubham AgarwalInternal Medicine Physician1326690181
Verify Seth Alexander Kirsch Heithaus 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 125.076247Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
96% fewer Medicare Part D claims than the average internal medicine physician in 2024
112 Medicare Part D claims for 22 beneficiaries, against an average of 3,176 among the 108,855 providers of this specialty who prescribed in Part D. Brand-name drugs were 77% of claims.
Most prescribed
- Descovy32 claims
- Tivicay27 claims
- Biktarvy16 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
- Sbh Physicians PCBronx, NY
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Seth Alexander Kirsch Heithaus among 7,238 internal medicine physician records in Illinois
Seth Alexander Kirsch Heithaus, 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 2020, is newer than 71% of them.
- NPI issued2020 · 71% of these records are older, 26% newer
- In a Medicare fileYes · 73% of these records are
- In the CMS Doctors and Clinicians fileYes · 50% of these records are
- Graduated2020 · median 2003 among the 3,580 with a school on file
- Record last updated2020 · 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).
40 internal medicine physician records list a practice address in North Chicago
They are 40 of the 1,069 NPPES records with a practice address in North Chicago, and 7,238 internal medicine physician records in Illinois.
All 7,238 in Illinois → Every provider in North Chicago → Internal Medicine Physician nationwide →
The 8 internal medicine physician records with the nearest ZIP codes
- Charles Barsano, M.D.North Chicago, IL 600641871600346
- Laurie Broutman, MDNorth Chicago, IL 600641699821710
- Rajyalakshmi Gannu, MDNorth Chicago, IL 600641770600769
- Lashaone Hatchett, M.D.North Chicago, IL 600641366645681
- Ayesha Imran, M.D.North Chicago, IL 600641821150442
- Brian Lipson, MDNorth Chicago, IL 600641609880327
- Jeanette Morrison, MDNorth Chicago, IL 600641477765238
- Saji Oommen, M.D.,North Chicago, IL 600641497856330
Common questions
What is Seth Alexander Kirsch Heithaus, MD's NPI number?
Seth Alexander Kirsch Heithaus, MD's National Provider Identifier (NPI) is 1376165977, issued on May 18, 2020. An NPI identifies a provider in billing; it is not a license.
Where is Seth Alexander Kirsch Heithaus, MD located?
The NPPES record lists a practice address at 3333 Green Bay RD, North Chicago, IL, 60064. Phone: (847) 578-3000. Providers update this record themselves, so call before visiting.
How can I verify Seth Alexander Kirsch Heithaus, MD's license?
NPPES lists Illinois license number 125.076247, 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 Seth Alexander Kirsch Heithaus, MD prescribe under Medicare Part D?
In 2024, Seth Alexander Kirsch Heithaus, MD had 112 Medicare Part D claims for 22 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.