Doctor profile · Federal record
Dr. Catherine Koop, M.D.
Internal Medicine Physician · Internal Medicine Physician · Oak Park, IL
- NPI 1851358972
- 20 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
610 S. Maple, Suite 4600
Oak Park, IL 60304
(708) 660-2240
fax (708) 660-2243
Credentials & registration
- NPI registered
- May 2006 — 20 yrs on file
- Profile last updated
- July 21, 2022
- Specialty taxonomy
- 207R00000X — NUCC code
- State licenses (2)
- Illinois #036-096959 · Illinois #036096959
- Medicaid
- IL #036096959
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1851358972. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
722
Distinct HCPCS
10
Medicare allowed
$89,062
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 280 | 193 | $135 | |
G0439 |
Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit | 131 | 131 | $137 | |
99497 |
Advance care planning, first 30 minutes | 118 | 118 | $88 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 83 | 58 | $190 | |
G0008 |
Administration of influenza virus vaccine | 30 | 30 | $23 | |
90662 |
Influenza vaccine split virus, preservative free | 21 | 21 | $71 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 19 | 19 | $96 | |
G0438 |
Annual wellness visit; includes a personalized prevention plan of service (pps), initial visit | 14 | 14 | $176 | |
99422 |
Online digital evaluation and management service for an established patient for up to 7 days, total time 11-20 minutes | 13 | 13 | $31 | |
G0009 |
Administration of pneumococcal vaccine | 13 | 13 | $22 |
In context: peer comparison
Among 19 peers in Oak Park Internal Medicine Physician, average services per provider: 82. This provider delivers 8.8× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
1,567
Patients
452
Total drug cost
$25,503
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Atorvastatin Calcium | Generic | 221 | 67 | $3,133 |
| Levothyroxine Sodium | Generic | 201 | 57 | $3,475 |
| Amlodipine Besylate | Generic | 179 | 54 | $1,689 |
| Hydrochlorothiazide | Generic | 106 | 30 | $585 |
| Simvastatin | Generic | 106 | 30 | $1,842 |
| Escitalopram Oxalate | Generic | 104 | 25 | $1,681 |
| Lisinopril | Generic | 104 | 29 | $1,074 |
| Tramadol Hcl | Generic | 86 | 21 | $679 |
| Losartan Potassium | Generic | 71 | 24 | $1,417 |
| Potassium Chloride | Generic | 69 | 13 | $3,681 |
Frequently asked questions
What is Dr. Catherine Koop's medical specialty?
Dr. Catherine Koop practices Internal Medicine Physician in Oak Park, IL.
Where does Dr. Catherine Koop practice?
Dr. Catherine Koop practices at 610 S. Maple, Oak Park, IL 60304. Office phone: 7086602240.
What is Dr. Catherine Koop's NPI?
Dr. Catherine Koop's National Provider Identifier (NPI) is 1851358972, issued by NPPES.
What procedures does Dr. Catherine Koop commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Annual wellness visit, includes a personalized prevention plan of service (pps), subsequent visit (HCPCS G0439); Advance care planning (HCPCS 99497). Source: CMS Medicare Physician & Other Practitioners file.