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

William John Upton, APRN, CNP

Individual provider Family Nurse Practitioner · NPI 1477315273

William John Upton, APRN, CNP is a Nurse Practitioner in Chicago, Illinois. Qualified in 2023, 3 years ago. Practices with Northwestern Medical Faculty Foundation, a 4,394-clinician group, accepts Medicare assignment and offers telehealth. Licensed in Illinois.

Years since qualifying
3
Licensed in
IL
In the registry since
2024
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

259 E Erie St Ste 13-205
Chicago, IL 60611-2987
Phone: (312) 695-8143
Fax: (312) 695-4075
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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 209028867 (IL)
Family Nurse Practitioner Taxonomy 363LF0000X · Licence 209.028867041.445528 (IL)

Record details

NPI number1477315273
Entity typeIndividual (Type 1)
GenderMale
Credentials APRN , CNP
Sole proprietorNo
NPI enumeratedJanuary 26, 2024
Last updated in NPPESJuly 29, 2024
Certification dateJuly 29, 2024
Mailing address259 E Erie St Ste 13-205, Chicago, IL 60611-2987

Medicare enrollment

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

Medicare specialtyNURSE PRACTITIONER
Medical schoolOTHER
Graduated 2023 (3 years in practice)
Group practice Northwestern Medical Faculty Foundation — 4394 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services
Practice locations3 on file with Medicare

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