Doctor profile · Federal record
Dr. Giselle Martinez-O'Connor, MSN, APRN, FNP-BC
Family Nurse Practitioner (CMS: Nurse Practitioner) · Nurse Practitioner · Chicago, IL
- NPI 1447801998
- Accepts Medicare
- MIPS 56.2 / 100 · 2023
- 7 yrs in practice
- Female
- Solo practice
- No sanctions
Practice & contact
Operates at 3 locations .
- Primary practice
-
1740 W Taylor St
Chicago, IL 606127232
(312) 996-4008 - Additional location
-
5211 W Lawrence
Chicago, IL 60630
(847) 644-9980 - Additional location
-
9977 Woods Dr
Skokie, IL 60077
(224) 364-2273 - Mailing address
-
17800 Kedzie Ave
Hazel Crest, IL 604292029
Credentials & registration
- NPI registered
- September 2019 — 7 yrs on file
- Profile last updated
- October 8, 2025
- Year of graduation
- 2019 — 7 yrs since
- Specialty taxonomy
- 363LF0000X — NUCC code
- State license (1)
- Illinois #209019715
Federal sanctions & exclusions
No sanctions, exclusions or revocations on file
Checked against OIG LEIE on NPI 1447801998. Last verified May 11, 2026.Medicare procedures · 2023
Top services delivered
Total services
96
Distinct HCPCS
3
Medicare allowed
$11,576
| HCPCS | Description | Services | Patients | Avg allowed | |
|---|---|---|---|---|---|
99285 |
Emergency department visit with high level of medical decision making | 40 | 14 | $161 | |
99284 |
Emergency department visit with moderate level of medical decision making | 35 | 34 | $107 | |
99283 |
Emergency department visit with low level of medical decision making | 21 | 20 | $66 |
In context: peer comparison
Among 231 peers in this city , average services per provider: 226. This provider delivers 0.4× the peer median.Medicare Part D · 2023
Top prescriptions
Total claims
23
Patients
23
Total drug cost
$73
| Drug | Type | Claims | Patients | Total cost |
|---|---|---|---|---|
| Naproxen | Generic | 12 | 12 | $29 |
| Hydrocodone-Acetaminophen (Hydrocodone/Acetaminophen) | Brand | 11 | 11 | $44 |
Frequently asked questions
What is Dr. Giselle Martinez-O'Connor's medical specialty?
Dr. Giselle Martinez-O'Connor practices Family Nurse Practitioner in Chicago, IL.
Where does Dr. Giselle Martinez-O'Connor practice?
Dr. Giselle Martinez-O'Connor practices at 1740 W Taylor St, Chicago, IL 606127232. Office phone: 3129964008.
What is Dr. Giselle Martinez-O'Connor's NPI?
Dr. Giselle Martinez-O'Connor's National Provider Identifier (NPI) is 1447801998, issued by NPPES.
Does Dr. Giselle Martinez-O'Connor accept Medicare assignment?
Yes. Dr. Giselle Martinez-O'Connor accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Giselle Martinez-O'Connor commonly perform?
Top Medicare-reported procedures in 2023: Emergency department visit with high level of medical decision making (HCPCS 99285); Emergency department visit with moderate level of medical decision making (HCPCS 99284); Emergency department visit with low level of medical decision making (HCPCS 99283). Source: CMS Medicare Physician & Other Practitioners file.