Provider Profile
Giselle Martinez-O'Connor, MSN, APRN, FNP-BC
Unclaimed ProfileAbout Giselle Martinez-O'connor
Giselle Martinez-O'Connor, MSN, APRN, FNP-BC is a nurse practitioner practicing in Chicago, IL. Giselle trained at Loyola University of Chicago, Stritch School of Medicine, graduating in 2019. Giselle is also listed as specializing in nurse practitioner — family. According to Medicare claims data, Giselle cared for 39 Medicare patients across 74 services. The services billed most often include emergency department visit with high level of medical decision making and emergency department visit with moderate level of medical decision making. This provider record is associated with NPI 1447801998.
Factual summary compiled by Guide.md from public records; not written by this provider.
Education & Training
Specialty
Credentials & Licensing
Medicare information
Exactly as CMS reports it (National Downloadable File, Opt-Out Affidavits, Order & Referring). Not an insurance directory; confirm coverage with the office.
Contact Information
- (312) 996-4008
- Email not available
Practice Locations
1740 W TAYLOR ST
Chicago, IL 60612
9977 Woods Dr
Skokie, IL 60077
5211 W Lawrence
Chicago, IL 60630
Procedures Most Often Billed to Medicare
74 services · 39 patients · 2 distinct codes
| Procedure | Type | Code | Services | Compared with peers |
|---|---|---|---|---|
| Emergency department visit with high level of medical decision making | Office visit | 99285 |
47 | As often as other peers in Nurse Practitioner |
| Emergency department visit with moderate level of medical decision making | Office visit | 99284 |
27 | As often as other peers in Nurse Practitioner |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Related specialists at this location 8
Clinically related specialties at the same address — the people this provider most likely works alongside.
Also at this address 4
Providers at the same street address. Each files their own registry entry, so a shared practice often appears under several different names.
Other nurse practitioners in Chicago 8
Same specialty, same city.
More connections — 16 related providers in 2 groups
Trained at Loyola University of Chicago, Stritch School of Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 2019 at Loyola University of Chicago, Stritch School of Medicine 8
Providers who graduated from the same medical school in the same year.
Common questions
What is Giselle Martinez-O'Connor, MSN, APRN's specialty?
Giselle Martinez-O'Connor, MSN, APRN is a nurse practitioner in Chicago, IL. That is the designation recorded for this NPI in the federal registry.
NPI registry
Where can I find Giselle Martinez-O'Connor, MSN, APRN?
Giselle Martinez-O'Connor, MSN, APRN is listed at 1740 W Taylor St, Chicago, IL 60612. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How do I contact Giselle Martinez-O'Connor, MSN, APRN?
The number on file is (312) 996-4008. Contact the office directly to confirm availability and scheduling.
NPI registry
What is Giselle Martinez-O'Connor, MSN, APRN's NPI number?
Giselle Martinez-O'Connor, MSN, APRN's National Provider Identifier is 1447801998. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
What is Giselle Martinez-O'Connor, MSN, APRN's education?
Giselle Martinez-O'Connor, MSN, APRN attended Loyola University of Chicago, Stritch School of Medicine, graduating in 2019. This comes from the CMS National Downloadable File.
CMS public data
How long has Giselle Martinez-O'Connor, MSN, APRN been practicing?
Giselle Martinez-O'Connor, MSN, APRN has 7 years experience. Calculated from a graduation year of 2019, reported in the CMS National Downloadable File.
CMS public data
What is Giselle Martinez-O'Connor, MSN, APRN known for?
According to Medicare billing data, Giselle Martinez-O'Connor, MSN, APRN the Medicare record under this individual NPI shows mainly office visits and diagnostic testing. Hospital-based physicians usually have their procedural work billed by the facility rather than under their own number, so this is a floor on their practice, not a description of it. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Has Giselle Martinez-O'Connor, MSN, APRN confirmed this information?
Not yet. This profile is built from public federal data and has not been confirmed by Giselle Martinez-O'Connor, MSN, APRN. If this is you, claiming it is free.
Guide.md
Guide.md listings do not constitute medical advice or an endorsement.