Doctor profile · Federal record
Dr. Katherine Jelinek, M.D.
Gastroenterology Physician (CMS: Gastroenterology) · Geneva, IL
- NPI 1750468591
- Accepts Medicare
- MIPS 91.3 / 100 · 2023
- 26 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
- Primary practice
-
302 Randall RD
Geneva, IL 601344209
(630) 262-7400
fax (630) 262-3760
Credentials & registration
- NPI registered
- November 2006 — 20 yrs on file
- Profile last updated
- June 26, 2014
- Year of graduation
- 2000 — 26 yrs since
- Specialty taxonomy
- 207RG0100X — NUCC code
- State license (1)
- Illinois #036-108039
- Medicaid
- IL #036108039
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1750468591. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
878
Distinct HCPCS
10
Medicare allowed
$128,605
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
45380 |
Biopsy of large bowel using a flexible endoscope | 214 | 211 | $135 | |
43239 |
Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope | 149 | 140 | $83 | |
45385 |
Removal of polyps or growths of large bowel using an endoscope with mechanical snare | 98 | 97 | $266 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 71 | 63 | $186 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 59 | 59 | $119 | |
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 55 | 34 | $125 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 46 | 46 | $174 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 42 | 41 | $182 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 33 | 29 | $83 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 28 | 27 | $137 |
In context: peer comparison
Among 3 peers in Geneva Gastroenterology Physician, average services per provider: 70. This provider delivers 13× the peer median.Open Payments
Industry payments received
All-time total
$307
Transactions
5
Manufacturers
2
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| Abbvie INC. | 4 | $276.99 | |
| Qol Medical, LLC | 1 | $29.52 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
691
Patients
301
Total drug cost
$101,380
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Omeprazole | Generic | 249 | 94 | $4,318 |
| Peg 3350-Electrolyte (Sodium Chloride/Nahco3/Kcl/Peg) | Brand | 147 | 143 | $3,269 |
| Pantoprazole Sodium | Generic | 118 | 42 | $3,006 |
| Sucralfate | Generic | 34 | 0 | $5,916 |
| Famotidine | Generic | 27 | 0 | $521 |
| Linzess (Linaclotide) | Brand | 27 | 0 | $21,994 |
| Gavilyte-G (Peg3350/Sod Sulf,Bicarb,Cl/Kcl) | Brand | 22 | 22 | $404 |
| Mesalamine | Generic | 20 | 0 | $17,286 |
| Budesonide Dr (Budesonide) | Brand | 13 | 0 | $2,197 |
| Xifaxan (Rifaximin) | Brand | 12 | 0 | $36,932 |
Hospital affiliations
Frequently asked questions
What is Dr. Katherine Jelinek's medical specialty?
Dr. Katherine Jelinek practices Gastroenterology Physician in Geneva, IL.
Where does Dr. Katherine Jelinek practice?
Dr. Katherine Jelinek practices at 302 Randall RD, Geneva, IL 601344209. Office phone: 6302627400.
What is Dr. Katherine Jelinek's NPI?
Dr. Katherine Jelinek's National Provider Identifier (NPI) is 1750468591, issued by NPPES.
Does Dr. Katherine Jelinek accept Medicare assignment?
Yes. Dr. Katherine Jelinek accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Jelinek commonly perform?
Top Medicare-reported procedures in 2023: Biopsy of large bowel using a flexible endoscope (HCPCS 45380); Biopsy of esophagus, stomach, and/or upper small bowel using a flexible endoscope (HCPCS 43239); Removal of polyps or growths of large bowel using an endoscope with mechanical snare (HCPCS 45385). Source: CMS Medicare Physician & Other Practitioners file.