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

Tammy Chavarria

Individual provider Ambulatory Women's Health Care Registered Nurse · NPI 1043677529

Tammy Chavarria is a Nurse Practitioner in Oakbrook Terrace, Illinois. Qualified in 2000, 26 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group and accepts Medicare assignment. Licensed in Illinois and Indiana.

Years since qualifying
26
Licensed in
IL, IN
In the registry since
2016
Specialties on file
5

Practice location Address checks out

2 Transam Plaza Dr Ste 400
Oakbrook Terrace, IL 60181-4808
Phone: (630) 545-3766
Fax: (630) 933-7392
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 209005920 (IL)
Ambulatory Women's Health Care Registered Nurse Taxonomy 163WW0101X · Licence 041303804 (IL)
Ambulatory Women's Health Care Registered Nurse Taxonomy 163WW0101X · Licence 28172884A (IN)
Women's Health Nurse Practitioner Taxonomy 363LW0102X · Licence 71002390A (IN)
Women's Health Nurse Practitioner Taxonomy 363LW0102X · Licence 209005920 (IL)

Record details

NPI number1043677529
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedJanuary 28, 2016
Last updated in NPPESJanuary 6, 2021
Certification dateJanuary 6, 2021
Mailing address2 Transam Plaza Dr Ste 400, Oakbrook Terrace, IL 60181-4808

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2000 (26 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
Practice locations2 on file with Medicare