Doctor profile · Federal record
Dr. George Sianis, MD
Internal Medicine Physician (CMS: General Practice) · Geriatric Medicine (Internal Medicine) Physician · Surgery Physician · Chicago, IL
- NPI 1255366191
- Accepts Medicare
- MIPS 12.9 / 100 · 2023
- 53 yrs in practice
- Male
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
4921 N Western Ave
Chicago, IL 606251921
(773) 478-5600
fax (773) 478-5602 - Mailing address
-
6374 N Lincoln Ave, Suite 301
Chicago, IL 606591275
Credentials & registration
- NPI registered
- July 2006 — 20 yrs on file
- Profile last updated
- July 15, 2023
- Year of graduation
- 1973 — 53 yrs since
- Specialty taxonomy
- 207R00000X — NUCC code
- State license (1)
- Illinois #036-063761
- Medicaid
- IL #036063761
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1255366191. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
1,363
Distinct HCPCS
10
Medicare allowed
$138,543
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 339 | 117 | $95 | |
99349 |
Residence visit for established patient with moderate level of medical decision making, per day, if using time, at least 40 minutes | 203 | 50 | $133 | |
G0181 |
Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow | 200 | 58 | $108 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 176 | 111 | $134 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 106 | 106 | $134 | |
G0008 |
Administration of influenza virus vaccine | 55 | 55 | $29 | |
90471 |
Administration of vaccine | 51 | 16 | $21 | |
G0179 |
Physician or allowed practitioner re-certification for medicare-covered home health services under a home health plan of care (patient not present), including contacts with home health agency and review of reports of patient status required by physicians a | 49 | 25 | $43 | |
J3420 |
Injection, vitamin b-12 cyanocobalamin, up to 1000 mcg | 48 | 13 | $2 | |
90686 |
Influenza vaccine, quadrivalent, preservative free, 0.5 ml dosage | 29 | 29 | $22 |
In context: peer comparison
Among 487 peers in Chicago Internal Medicine Physician, average services per provider: 168. This provider delivers 8.1× the peer median.Open Payments
Industry payments received
All-time total
$130
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbott Laboratories | 1 | $129.69 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
1,286
Patients
400
Total drug cost
$24,752
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Amlodipine Besylate | Generic | 175 | 47 | $2,024 |
| Atorvastatin Calcium | Generic | 174 | 49 | $3,294 |
| Enalapril-Hydrochlorothiazide (Enalapril/Hydrochlorothiazide) | Brand | 118 | 32 | $4,906 |
| Metformin Hcl | Generic | 107 | 34 | $1,483 |
| Simvastatin | Generic | 102 | 28 | $1,583 |
| Alprazolam | Generic | 96 | 24 | $1,333 |
| Losartan Potassium | Generic | 89 | 29 | $1,215 |
| Levothyroxine Sodium | Generic | 85 | 30 | $1,945 |
| Potassium Chloride | Generic | 64 | 18 | $1,862 |
| Omeprazole | Generic | 59 | 23 | $1,830 |
Hospital affiliations
Frequently asked questions
What is Dr. George Sianis's medical specialty?
Dr. George Sianis practices Internal Medicine Physician in Chicago, IL.
Where does Dr. George Sianis practice?
Dr. George Sianis practices at 4921 N Western Ave, Chicago, IL 606251921. Office phone: 7734785600.
What is Dr. George Sianis's NPI?
Dr. George Sianis's National Provider Identifier (NPI) is 1255366191, issued by NPPES.
Does Dr. George Sianis accept Medicare assignment?
Yes. Dr. George Sianis accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. George Sianis commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99213); Residence visit for established patient with moderate level of medical decision making (HCPCS 99349); Physician or allowed practitioner supervision of a patient receiving medicare-covered services provided by a participating home health agency (patient not present) requiring complex and multidisciplinary care modalities involving regular physician or allow (HCPCS G0181). Source: CMS Medicare Physician & Other Practitioners file.