Doctor profile · Federal record
Dr. Karen Fernandez, FNP
Family Nurse Practitioner (CMS: Nurse Practitioner) · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Family Medicine Physician · Mokena, IL
- NPI 1669883112
- Accepts Medicare
- 13 yrs in practice
- Licensed in 14 states
- Female
- Group practice
- No sanctions
Practice & contact
- Primary practice
-
11200 Lincoln Hwy
Mokena, IL 604488208
(877) 993-4321 - Mailing address
-
27W311 Fleming Dr
Winfield, IL 601901043
Credentials & registration
- NPI registered
- May 2014 — 12 yrs on file
- Profile last updated
- October 13, 2025
- Year of graduation
- 2013 — 13 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State licenses (14)
- Illinois #277.001988 · Montana #APRN-193416 · Oregon #202214276NP-PP · Hawaii #APRN-3593 · New Mexico #67376 · Arizona #274022 · California #95023590 · Alaska #191815 · Washington #AP61282106 · Missouri #2024043478 · Texas #1177580 · Minnesota #9225 · Indiana #71016045A · Nevada #883859
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1669883112. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
39
Distinct HCPCS
2
Medicare allowed
$3,234
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99203 |
New patient office or other outpatient visit, 30-44 minutes | 23 | 23 | $87 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 16 | 16 | $78 |
In context: peer comparison
Among 12 peers in this city , average services per provider: 78. This provider delivers 0.5× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
23
Total drug cost
$246
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 23 | 23 | $246 |
Frequently asked questions
What is Dr. Karen Fernandez's medical specialty?
Dr. Karen Fernandez practices Family Nurse Practitioner in Mokena, IL.
Where does Dr. Karen Fernandez practice?
Dr. Karen Fernandez practices at 11200 Lincoln Hwy, Mokena, IL 604488208. Office phone: 8779934321.
What is Dr. Karen Fernandez's NPI?
Dr. Karen Fernandez's National Provider Identifier (NPI) is 1669883112, issued by NPPES.
Does Dr. Karen Fernandez accept Medicare assignment?
Yes. Dr. Karen Fernandez accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Karen Fernandez commonly perform?
Top Medicare-reported procedures in 2023: New patient office or other outpatient visit (HCPCS 99203); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.