George Katsamakis, M.D.
NPI 1174502835 · Neurology Physician · Lake Barrington, IL
Enrolled with Medicare as Practitioner - Neurology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
George Katsamakis, M.D. is a Neurology Physician provider in Lake Barrington, IL (NPI 1174502835).
Provider details
- NPI number
- 1174502835
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- 036094580 (IL)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
20 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
1 documented practice location
- Medicare service volume (vs. specialty peers)25% of score
865 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With High Level of Medical Decision Making, If Using Time, 40 Minutes Or More99215 | 334 | $181 |
| Chronic Care Management Services, First 20 Minutes of Clinical Staff Time Directed By Health Care Professional, Per Calendar Month99490 | 237 | $62 |
| Administration of Chemotherapy Into Vein, 1 Hour Or Less96413 | 65 | $116 |
| Injection of Additional New Drug Or Substance Into Vein96375 | 51 | $13 |
| Administration of Chemotherapy Into Vein, Each Additional Hour96415 | 48 | $24 |
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 54 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Baclofen | 280 | 79 |
| Gabapentin | 255 | 66 |
| Dalfampridinebrand: Dalfampridine Er | 224 | 32 |
| Pregabalin | 95 | 30 |
| Tizanidine Hcl | 95 | 24 |
| Dextroamphetamine/Amphetaminebrand: Dextroamphetamine-Amphetamine | 73 | 20 |
| Levetiracetam | 62 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$12,877 across 110 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-01-11
- Last updated
- 2023-03-07
- Certified
- 2021-12-29
Frequently asked questions
- What is George Katsamakis's NPI number?
- George Katsamakis's National Provider Identifier (NPI) is 1174502835, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is George Katsamakis's specialty?
- George Katsamakis is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is George Katsamakis located?
- George Katsamakis's practice location on file with NPPES is 22285 N Pepper Rd, Lake Barrington, IL 60010-2538.
- What is George Katsamakis's phone number?
- The practice phone number listed in the NPPES registry for George Katsamakis is (847) 882-6604.
- Does George Katsamakis accept Medicare?
- George Katsamakis is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is George Katsamakis's NPI active?
- Yes — George Katsamakis's NPI (1174502835) is active in the NPPES registry as of the last update on 2023-03-07.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.