Doctor profile · Federal record
Dr. Geoffrey Tsaras, MD
Infectious Disease Physician (CMS: Infectious Disease) · Infectious Disease Physician · Rockford, IL
- NPI 1023278769
- Accepts Medicare
- MIPS 75.0 / 100 · 2023
- 28 yrs in practice
- Licensed in 2 states
- Male
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1340 Charles St Ste 404
Rockford, IL 611042200
(779) 696-1890
fax (779) 696-2410 - Additional location
-
129 Phelps Ave. #508
Rockford, IL 611082455
(815) 229-2300
fax (815) 229-3909 - Mailing address
-
Po Box 78866
Milwaukee, WI 532788866
Credentials & registration
- NPI registered
- June 2008 — 18 yrs on file
- Profile last updated
- March 12, 2021
- Year of graduation
- 1998 — 28 yrs since
- Specialty taxonomy
- 207RI0200X — NUCC code
- State licenses (2)
- Illinois #036126289 · Minnesota #103894
- Medicaid (2)
- IL #036126289 · MN #ENROLLED
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1023278769. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
722
Distinct HCPCS
8
Medicare allowed
$67,711
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 276 | 129 | $77 | |
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 185 | 122 | $95 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 120 | 107 | $128 | |
99231 |
Subsequent hospital care with straightforward or low level of medical decision making, per day, if using time, at least 25 minutes | 52 | 31 | $49 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 34 | 19 | $114 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 26 | 24 | $165 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 16 | 16 | $131 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 13 | 13 | $65 |
In context: peer comparison
Among 4 peers in Rockford Infectious Disease Physician, average services per provider: 92. This provider delivers 7.8× the peer median.Open Payments
Industry payments received
All-time total
$27
Transactions
1
Manufacturers
1
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| ViiV Healthcare Company | 1 | $26.59 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
552
Patients
99
Total drug cost
$304,210
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 91 | 22 | $5,076 |
| Cephalexin | Generic | 78 | 16 | $1,044 |
| Micafungin (Micafungin Sodium) | Brand | 46 | 0 | $6,938 |
| Penicillin V Potassium | Generic | 43 | 0 | $1,046 |
| Vancomycin Hcl | Generic | 36 | 0 | $9,311 |
| Ceftriaxone (Ceftriaxone Sodium) | Brand | 34 | 11 | $2,868 |
| Biktarvy (Bictegrav/Emtricit/Tenofov Ala) | Brand | 33 | 0 | $130,959 |
| Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) | Brand | 33 | 24 | $307 |
| Amoxicillin | Generic | 28 | 0 | $613 |
| Meropenem | Generic | 25 | 0 | $5,523 |
Hospital affiliations
Frequently asked questions
What is Dr. Geoffrey Tsaras's medical specialty?
Dr. Geoffrey Tsaras practices Infectious Disease Physician in Rockford, IL.
Where does Dr. Geoffrey Tsaras practice?
Dr. Geoffrey Tsaras practices at 1340 Charles St Ste 404, Rockford, IL 611042200. Office phone: 7796961890.
What is Dr. Geoffrey Tsaras's NPI?
Dr. Geoffrey Tsaras's National Provider Identifier (NPI) is 1023278769, issued by NPPES.
Does Dr. Geoffrey Tsaras accept Medicare assignment?
Yes. Dr. Geoffrey Tsaras accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Geoffrey Tsaras commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232); Established patient office or other outpatient visit (HCPCS 99214); Initial hospital care with straightforward or low-level medical decision making (HCPCS 99222). Source: CMS Medicare Physician & Other Practitioners file.