Doctor profile · Federal record
Dr. Katherine Farquhar, R.N., M.S.N., NP-C
Nurse Practitioner · Winfield, IL
- NPI 1548604424
- Accepts Medicare
- 14 yrs in practice
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
25 N Winfield RD Ste 300
Winfield, IL 601901379
(630) 933-8100
fax (630) 871-7527 - Mailing address
-
1860 Paysphere Cir
Chicago, IL 606740018
Credentials & registration
- NPI registered
- April 2013 — 13 yrs on file
- Profile last updated
- April 14, 2023
- Year of graduation
- 2012 — 14 yrs since
- Specialty taxonomy
- 363L00000X — NUCC code
- State license (1)
- Illinois #209-019972
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1548604424. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
618
Distinct HCPCS
9
Medicare allowed
$35,561
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 196 | 182 | $112 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 103 | 102 | $80 | |
93000 |
Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report | 95 | 95 | $13 | |
36415 |
Insertion of needle into vein for collection of blood sample | 81 | 68 | $8 | |
80048 |
Blood test, basic group of blood chemicals (calcium, total) | 63 | 52 | $8 | |
80053 |
Blood test, comprehensive group of blood chemicals | 29 | 28 | $10 | |
80061 |
Blood test, lipids (cholesterol and triglycerides) | 27 | 27 | $13 | |
0241U |
Respiratory infectious agent detection by rna for severe acute respiratory syndrome coronavirus 2 (covid 19), influenza a, influenza b, and respiratory syncytial virus, upper respiratory specimen, each reported as detected or not detected | 13 | 13 | $140 | |
83880 |
Natriuretic peptide (heart and blood vessel protein) level | 11 | 11 | $38 |
In context: peer comparison
Among 22 peers in this city , average services per provider: 95. This provider delivers 6.5× the peer median.Open Payments
Industry payments received
All-time total
$785
Transactions
40
Manufacturers
15
| Payer (manufacturer) | Industry | Txns | Amount |
|---|---|---|---|
| AstraZeneca Pharmaceuticals LP | 7 | $142.23 | |
| Kiniksa Pharmaceuticals International, plc | 6 | $132.07 | |
| ZOLL Services LLC (A/K/A ZOLL LifeCor Corp) | 8 | $106.88 | |
| Novartis Pharmaceuticals Corporation | 4 | $96.33 | |
| Boehringer Ingelheim Pharmaceuticals, Inc. | 3 | $90.31 | |
| Amgen Inc. | 3 | $53.57 | |
| E.R. Squibb & Sons, L.L.C. | 1 | $23.30 | |
| Merck Sharp & Dohme LLC | 1 | $21.75 | |
| SCPHARMACEUTICALS INC. | 1 | $21.13 | |
| Kestra Medical Technology Services, Inc. | 1 | $19.40 | |
| Chiesi USA, Inc. | 1 | $16.75 | |
| Bayer Healthcare Pharmaceuticals Inc. | 1 | $15.47 | |
| Esperion Therapeutics, Inc. | 1 | $15.40 | |
| Janssen Pharmaceuticals, Inc | 1 | $15.34 | |
| LANTHEUS MEDICAL IMAGING, INC. | 1 | $14.78 |
By nature of payment
Medicare Part D · 2023
Top prescriptions
Total claims
362
Patients
230
Total drug cost
$49,664
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Metoprolol Succinate | Generic | 57 | 41 | $1,301 |
| Atorvastatin Calcium | Generic | 38 | 27 | $530 |
| Amlodipine Besylate | Generic | 33 | 24 | $402 |
| Furosemide | Generic | 33 | 20 | $161 |
| Lisinopril | Generic | 31 | 19 | $456 |
| Losartan Potassium | Generic | 26 | 18 | $414 |
| Eliquis (Apixaban) | Brand | 20 | 11 | $25,912 |
| Amoxicillin-Clavulanate Potass (Amoxicillin/Potassium Clav) | Brand | 17 | 17 | $126 |
| Carvedilol | Generic | 17 | 13 | $343 |
| Torsemide | Generic | 17 | 13 | $240 |
Frequently asked questions
What is Dr. Katherine Farquhar's medical specialty?
Dr. Katherine Farquhar practices Nurse Practitioner in Winfield, IL.
Where does Dr. Katherine Farquhar practice?
Dr. Katherine Farquhar practices at 25 N Winfield RD Ste 300, Winfield, IL 601901379. Office phone: 6309338100.
What is Dr. Katherine Farquhar's NPI?
Dr. Katherine Farquhar's National Provider Identifier (NPI) is 1548604424, issued by NPPES.
Does Dr. Katherine Farquhar accept Medicare assignment?
Yes. Dr. Katherine Farquhar accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Katherine Farquhar commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); Established patient office or other outpatient visit (HCPCS 99213); Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (HCPCS 93000). Source: CMS Medicare Physician & Other Practitioners file.