Doctor profile · Federal record
Dr. Charlotte Koo, MD
Hospitalist Physician (CMS: Hospitalist) · Internal Medicine Physician · Glenview, IL
- NPI 1093158297
- Accepts Medicare
- 13 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
2100 Pfingsten RD Ste 3001A
Glenview, IL 600261301
(847) 657-5840
fax (847) 657-5732 - Mailing address
-
1425 N Randall RD
Elgin, IL 601232300
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- June 25, 2019
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 208M00000X — NUCC code
- State license (1)
- Illinois #036139709
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1093158297. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
434
Distinct HCPCS
5
Medicare allowed
$47,990
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99233 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes | 183 | 95 | $114 | |
99239 |
Hospital discharge day management, more than 30 minutes | 105 | 103 | $110 | |
99232 |
Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes | 90 | 56 | $76 | |
99223 |
Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes | 40 | 40 | $168 | |
99222 |
Initial hospital care with straightforward or low-level medical decision making, if using time, at least 55 minutes | 16 | 16 | $126 |
In context: peer comparison
Among 14 peers in this city , average services per provider: 167. This provider delivers 2.6× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
228
Patients
215
Total drug cost
$9,241
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Doxycycline Hyclate | Generic | 42 | 42 | $384 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 37 | 36 | $302 |
| Methylprednisolone | Generic | 27 | 27 | $239 |
| Cefdinir | Generic | 26 | 25 | $310 |
| Pantoprazole Sodium | Generic | 20 | 20 | $171 |
| Amlodipine Besylate | Generic | 15 | 15 | $59 |
| Furosemide | Generic | 15 | 15 | $39 |
| Eliquis (Apixaban) | Brand | 12 | 12 | $7,475 |
| Prednisone | Generic | 12 | 12 | $64 |
| Dexamethasone | Generic | 11 | 11 | $108 |
Hospital affiliations
Frequently asked questions
What is Dr. Charlotte Koo's medical specialty?
Dr. Charlotte Koo practices Hospitalist Physician in Glenview, IL.
Where does Dr. Charlotte Koo practice?
Dr. Charlotte Koo practices at 2100 Pfingsten RD Ste 3001A, Glenview, IL 600261301. Office phone: 8476575840.
What is Dr. Charlotte Koo's NPI?
Dr. Charlotte Koo's National Provider Identifier (NPI) is 1093158297, issued by NPPES.
Does Dr. Charlotte Koo accept Medicare assignment?
Yes. Dr. Charlotte Koo accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Charlotte Koo commonly perform?
Top Medicare-reported procedures in 2023: Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233); Hospital discharge day management (HCPCS 99239); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99232). Source: CMS Medicare Physician & Other Practitioners file.