Doctor profile · Federal record
Dr. George Katsamakis, M.D.
Neurology Physician (CMS: Neurology) · Lake Barrington, IL
- NPI 1174502835
- Accepts Medicare
- 32 yrs in practice
- Male
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
22285 N Pepper RD, Suite 401
Lake Barrington, IL 600102538
(847) 882-6604
fax (847) 882-6228
Credentials & registration
- NPI registered
- January 2006 — 20 yrs on file
- Profile last updated
- March 7, 2023
- Year of graduation
- 1994 — 32 yrs since
- Specialty taxonomy
- 2084N0400X — NUCC code
- State license (1)
- Illinois #036094580
- Medicaid
- IL #036094580
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1174502835. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
20,579
Distinct HCPCS
10
Medicare allowed
$960,147
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
J2350 |
Injection, ocrelizumab, 1 mg | 16,800 | 19 | $51 | |
A9585 |
Injection, gadobutrol, 0.1 ml | 2,800 | 31 | $0 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 322 | 239 | $176 | |
J2930 |
Injection, methylprednisolone sodium succinate, up to 125 mg | 167 | 31 | $4 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 111 | 104 | $129 | |
96365 |
Infusion into a vein for therapy, prevention, or diagnosis, 1 hour or less | 83 | 21 | $59 | |
96415 |
Administration of chemotherapy into vein, each additional hour | 63 | 26 | $25 | |
96375 |
Injection of additional new drug or substance into vein | 54 | 28 | $15 | |
96413 |
Administration of chemotherapy into vein, 1 hour or less | 53 | 29 | $123 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 35 | 33 | $85 |
In context: peer comparison
Among 5 peers in this city , average services per provider: 688. This provider delivers 30× the peer median.Open Payments
Industry payments received
All-time total
$12,877
Transactions
100
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Ares Trading SA | 1 | $7,297.00 | |
| EMD Serono, Inc. | 11 | $3,354.22 | |
| TG Therapeutics, Inc. | 15 | $352.02 | |
| ABBVIE INC. | 13 | $228.03 | |
| PFIZER INC. | 12 | $199.50 | |
| Biogen, Inc. | 8 | $184.82 | |
| Novartis Pharmaceuticals Corporation | 14 | $177.41 | |
| Celgene Corporation | 6 | $169.80 | |
| Inspire Medical Systems, Inc. | 1 | $160.62 | |
| Amgen Inc. | 5 | $110.25 | |
| Genentech USA, Inc. | 4 | $97.77 | |
| Lilly USA, LLC | 3 | $86.88 | |
| Lundbeck LLC | 3 | $74.76 | |
| UCB, Inc. | 2 | $64.65 | |
| Takeda Pharmaceuticals U.S.A., Inc. | 2 | $48.86 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,374
Patients
335
Total drug cost
$132,283
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Baclofen | Generic | 252 | 67 | $9,644 |
| Dalfampridine Er (Dalfampridine) | Brand | 208 | 28 | $96,330 |
| Gabapentin | Generic | 197 | 53 | $5,915 |
| Pregabalin | Generic | 90 | 18 | $2,688 |
| Clonazepam | Generic | 89 | 14 | $799 |
| Levetiracetam | Generic | 67 | 21 | $2,898 |
| Topiramate | Generic | 67 | 21 | $1,155 |
| Tizanidine Hcl | Generic | 62 | 18 | $2,167 |
| Duloxetine Hcl | Generic | 60 | 14 | $2,033 |
| Dextroamphetamine-Amphetamine (Dextroamphetamine/Amphetamine) | Brand | 50 | 14 | $1,507 |
Frequently asked questions
What is Dr. George Katsamakis's medical specialty?
Dr. George Katsamakis practices Neurology Physician in Lake Barrington, IL.
Where does Dr. George Katsamakis practice?
Dr. George Katsamakis practices at 22285 N Pepper RD, Lake Barrington, IL 600102538. Office phone: 8478826604.
What is Dr. George Katsamakis's NPI?
Dr. George Katsamakis's National Provider Identifier (NPI) is 1174502835, issued by NPPES.
Does Dr. George Katsamakis accept Medicare assignment?
Yes. Dr. George Katsamakis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Katsamakis commonly perform?
Top Medicare-reported procedures in 2023: Injection, ocrelizumab, 1 mg (HCPCS J2350); Injection, gadobutrol, 0.1 ml (HCPCS A9585); Established patient office or other outpatient visit (HCPCS 99215). Source: CMS Medicare Physician & Other Practitioners file.