George Katsamakis, M.D.
Neurology Physician · Lake Barrington, IL
George Katsamakis, M.D. is a neurology physician with a practice address in Lake Barrington, Illinois, and NPI 1174502835, issued on Jan 11, 2006. Check the license (Illinois 036094580, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- George Katsamakis
- Credential
- M.D.
- Primary taxonomy
- Neurology Physician 2084N0400X
- License number
- 036094580 IL
Self-reported in NPPES; status is on the state search - Practice location
- 22285 N Pepper RD, Lake Barrington, IL 60010
- Phone
- (847) 882-6604
- Enumerated
- Jan 11, 2006
- Record last updated
- Mar 7, 2023
- Fax
- (847) 882-6228
- Medicaid ID
- 036094580 IL
- Medicare enrollment
- Enrolled (PECOS I20040310001406); accepts Medicare assignment
- Medical or professional school
- Rush Medical College Of Rush University, 1994
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest neurology physician records → All 952 in Illinois → Look up another NPI →
Also registered at 22285 N Pepper RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify George Katsamakis 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 036094580Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
2.0 times the Medicare Part D claims of the average neurology physician in 2024
2,774 Medicare Part D claims for 406 beneficiaries, against an average of 1,370 among the 15,005 providers of this specialty who prescribed in Part D. 97 claims were for opioids.
Most prescribed
- Baclofen280 claims
- Gabapentin255 claims
- Dalfampridine Er224 claims
- Pregabalin95 claims
- Tizanidine Hcl95 claims
- Dextroamphetamine-Amphetamine73 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: $12,877.24
110 payments; by number, the most common kind was food and beverage; the largest payer was Ares Trading SA. The 10,858 providers of this specialty with any payment received $8,318.07 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
- Northwest Neurology, LtdLake Barrington, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
George Katsamakis among 952 neurology physician records in Illinois
George Katsamakis, M.D. is one of 952 neurology physician records with a practice address in Illinois. 79% 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 8% of them.
- NPI issued2006 · 8% of these records are older, 68% newer
- In a Medicare fileYes · 79% of these records are
- In the CMS Doctors and Clinicians fileYes · 60% of these records are
- Graduated1994 · median 2006 among the 573 with a school on file
- Record last updated2023 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 2084N0400X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
15 neurology physician records list a practice address in Lake Barrington
They are 15 of the 152 NPPES records with a practice address in Lake Barrington, and 952 neurology physician records in Illinois.
All 952 in Illinois → Every provider in Lake Barrington → Neurology Physician nationwide →
The 8 neurology physician records with the nearest ZIP codes
- Daniele Anderson, M.D.Lake Barrington, IL 600101588689285
- Barry Bikshorn, M.D.Lake Barrington, IL 600101275577124
- Jeffrey Farbman, M.D.Lake Barrington, IL 600101821020504
- Elizabeth Flaherty, M.D.Lake Barrington, IL 600101881907699
- Shirley Forbes, M.D.Barrington, IL 600101851661771
- Andrew Gordon, M.D.Lake Barrington, IL 600101508898206
- Ahmir Khan, M.D. PH.D.Lake Barrington, IL 600101851575039
- Donald Kuhlman, M.D.Lake Barrington, IL 600101710902424
Common questions
What is George Katsamakis, M.D.'s NPI number?
George Katsamakis, M.D.'s National Provider Identifier (NPI) is 1174502835, issued on Jan 11, 2006. An NPI identifies a provider in billing; it is not a license.
Where is George Katsamakis, M.D. located?
The NPPES record lists a practice address at 22285 N Pepper RD, Lake Barrington, IL, 60010. Phone: (847) 882-6604. Providers update this record themselves, so call before visiting.
How can I verify George Katsamakis, M.D.'s license?
NPPES lists Illinois license number 036094580, 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 George Katsamakis, M.D. prescribe under Medicare Part D?
In 2024, George Katsamakis, M.D. had 2,774 Medicare Part D claims for 406 beneficiaries; the average among neurology physician prescribers was 1,370. 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.