Doctor profile · Federal record
Dr. Janet Nielsen, M.D.
Family Medicine Physician · Naperville, IL
- NPI 1679773980
- 19 yrs on file
- Female
- Group practice
- No sanctions
Practice & contact
Operates at 2 locations .
- Primary practice
-
1160 E Ogden Ave Ste 106
Naperville, IL 605632693
(331) 226-0315
fax (844) 689-2582 - Additional location
-
701 W North Ave
Melrose Park, IL 601601612
(708) 681-3200
Credentials & registration
- NPI registered
- July 2007 — 19 yrs on file
- Profile last updated
- September 2, 2025
- Specialty taxonomy
- 207Q00000X — NUCC code
- State license (1)
- Illinois #036.127246
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1679773980. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
328
Distinct HCPCS
5
Medicare allowed
$35,722
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99214 |
Established patient office or other outpatient visit, 30-39 minutes | 150 | 147 | $102 | |
99204 |
New patient office or other outpatient visit, 45-59 minutes | 87 | 87 | $141 | |
99213 |
Established patient office or other outpatient visit, 20-29 minutes | 40 | 40 | $69 | |
99203 |
New patient office or other outpatient visit, 30-44 minutes | 36 | 36 | $88 | |
99215 |
Established patient office or other outpatient visit, 40-54 minutes | 15 | 15 | $149 |
In context: peer comparison
Among 35 peers in Naperville Family Medicine Physician, average services per provider: 67. This provider delivers 4.9× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
268
Patients
247
Total drug cost
$3,625
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Azithromycin | Generic | 56 | 56 | $456 |
| Prednisone | Generic | 51 | 51 | $95 |
| Albuterol Sulfate Hfa (Albuterol Sulfate) | Brand | 30 | 26 | $1,058 |
| Nitrofurantoin Mono-Macro (Nitrofurantoin Monohyd/M-Cryst) | Brand | 27 | 27 | $483 |
| Doxycycline Hyclate | Generic | 17 | 17 | $302 |
| Cephalexin | Generic | 16 | 16 | $117 |
| Methylprednisolone | Generic | 16 | 15 | $177 |
| Amoxicillin | Generic | 15 | 14 | $105 |
| Zolpidem Tartrate | Generic | 15 | 0 | $37 |
| Paxlovid (Eua) (Nirmatrelvir/Ritonavir) | Brand | 14 | 14 | $149 |
Frequently asked questions
What is Dr. Janet Nielsen's medical specialty?
Dr. Janet Nielsen practices Family Medicine Physician in Naperville, IL.
Where does Dr. Janet Nielsen practice?
Dr. Janet Nielsen practices at 1160 E Ogden Ave Ste 106, Naperville, IL 605632693. Office phone: 3312260315.
What is Dr. Janet Nielsen's NPI?
Dr. Janet Nielsen's National Provider Identifier (NPI) is 1679773980, issued by NPPES.
What procedures does Dr. Janet Nielsen commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99214); New patient office or other outpatient visit (HCPCS 99204); Established patient office or other outpatient visit (HCPCS 99213). Source: CMS Medicare Physician & Other Practitioners file.