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

Anna Kastanas, APN

Individual provider Nurse Practitioner · NPI 1609310259

Anna Kastanas, APN is a Nurse Practitioner in Crystal Lake, Illinois. Qualified in 2016, 10 years ago. Practices with Chestnut Health of Illinois LLC, a 38-clinician group and accepts Medicare assignment. Licensed in Illinois.

Years since qualifying
10
Licensed in
IL
In the registry since
2016
What do these letters mean?
APN — Advanced Practice Nurse
The umbrella title some states use for nurse practitioners and other advanced practice nurses.

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Practice location Address checks out

1 S Virginia St
Crystal Lake, IL 60014-5828
Phone: (815) 356-9371
Fax: (815) 356-9428
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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 209015271 (IL)

Record details

NPI number1609310259
Entity typeIndividual (Type 1)
GenderFemale
Credentials APN
Sole proprietorNo
NPI enumeratedDecember 15, 2016
Last updated in NPPESDecember 15, 2016

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2016 (10 years in practice)
Group practice Chestnut Health Of Illinois Llc — 38 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount

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