Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Gregory Robert Cook Jr., APRN, CNP

Individual provider Nurse Practitioner · NPI 1053964395

Gregory Robert Cook Jr., APRN, CNP is a Nurse Practitioner in Chicago, Illinois. Qualified in 2019, 7 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Florida and Illinois.

Years since qualifying
7
Licensed in
FL, IL
In the registry since
2019
Specialties on file
2
What do these letters mean?
APRN — Advanced Practice Registered Nurse
The umbrella licence covering nurse practitioners, midwives, anaesthetists and clinical nurse specialists.
CNP — Certified Nurse Practitioner
A certified nurse practitioner.

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Practice location Address checks out

676 N Saint Clair St Ste 2100
Chicago, IL 60611-2993
Phone: (312) 695-1800
Fax: (312) 695-4741
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209027656 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 11003002 (FL)

Record details

NPI number1053964395
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN , CNP
Sole proprietorNo
NPI enumeratedJuly 16, 2019
Last updated in NPPESSeptember 19, 2023
Certification dateSeptember 19, 2023

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2019 (7 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations4 on file with Medicare

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