Dr. Geraldine C. Diaz, DO
Dr. Geraldine C. Diaz, DO is an Anesthesiology in Brentwood, New York. Graduated from Philadelphia College of Osteopathic Medicine in 2001, 25 years ago. Practices with Randn Anesthesia PLLC, a 32-clinician group and works from 6 locations. Licensed in Illinois and New York.
- Years since qualifying
- 25
- Trained at
- Philadelphia College of Osteopathic Medicine
- Licensed in
- IL, NY
- In the registry since
- 2006
- Specialties on file
- 3
What do these letters mean?
- DO — Doctor of Osteopathic Medicine
- A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.
Practice location Address checks out
601 Suffolk AveBrentwood, NY 11717-4309
Phone: (631) 231-4455
Show map & directions
Directions in Google Maps · Apple Maps · OpenStreetMap
Pin is approximate — placed at the ZIP-code centre, not the exact door.
Additional practice locations (5)
- 1740 W Taylor St Ste 3200w, Chicago, IL 60612-7232 — (312) 996-4020
- 5841 S Maryland Ave, Chicago, IL 60637-1447 — (773) 926-1220
- 5841 S Maryland Ave, Chicago, IL 60637-1447 — (773) 926-1220
- 450 Clarkson Ave Ste 6, Brooklyn, NY 11203 — (718) 270-2331
- 1500 William Floyd Pkwy, Shirley, NY 11967-1800 — (631) 205-9090
Specialties & licences
| Anesthesiology Physician (primary) | Taxonomy 207L00000X · Licence 225683 (NY) |
|---|---|
| Anesthesiology Physician | Taxonomy 207L00000X · Licence 036126434 (IL) |
| Critical Care Medicine (Anesthesiology) Physician | Taxonomy 207LC0200X · Licence 036126434 (IL) |
Record details
| NPI number | 1003987967 |
|---|---|
| Entity type | Individual (Type 1) |
| Gender | Female |
| Credentials | DO |
| Sole proprietor | No |
| NPI enumerated | November 13, 2006 |
| Last updated in NPPES | January 30, 2026 |
| Certification date | January 30, 2026 |
| Mailing address | 450 Clarkson Ave Ste 6, Brooklyn, NY 11203-2012 |
Medicare enrollment
| Medicare specialty | ANESTHESIOLOGY |
|---|---|
| Medical school | PHILADELPHIA COLLEGE OF OSTEOPATHIC MEDICINE |
| Graduated | 2001 (25 years in practice) |
| Group practice | Randn Anesthesia Pllc — 32 clinicians |
| Accepts Medicare assignment | Not indicated |
| Practice locations | 4 on file with Medicare |
Other providers in Brentwood
-
Eve Charasz, MD
601 Suffolk Ave, Brentwood, NY 11717-4309 · (631) 231-4455
-
Miss. Michelle Di Guglielmo, MD
601 Suffolk Ave, Brentwood, NY 11717-4309 · (631) 231-4455
-
Veritas Medical Care LLC
600 Suffolk Ave Ste C, Brentwood, NY 11717-4311 · (631) 533-9733