William John Upton, APRN, CNP
Nurse Practitioner · Chicago, IL
William John Upton, APRN, CNP is a nurse practitioner with a practice address in Chicago, Illinois, and NPI 1477315273, issued on Jan 26, 2024. Check the license (Illinois 209028867, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- William John Upton
- Credential
- APRN, CNP
- Primary taxonomy
- Nurse Practitioner 363L00000X
- License numbers
- 209028867 IL
209.028867041.445528 IL
Self-reported in NPPES; status is on the state search - Practice location
- 259 E Erie St Ste 13-205, Chicago, IL 60611
- Phone
- (312) 695-8143
- Enumerated
- Jan 26, 2024
- Record last updated
- Jul 29, 2024
- Fax
- (312) 695-4075
- Medicare enrollment
- Enrolled (PECOS I20240422000818); accepts Medicare assignment
- Telehealth
- Offers telehealth (CMS)
- Entity
- Type 1 · individual
8 nearest nurse practitioner records → All 4,892 in Illinois → Look up another NPI →
Also registered at 259 E Erie St Ste 13-205
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William John Upton in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209028867Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
97% fewer Medicare Part D claims than the average nurse practitioner in 2024
38 Medicare Part D claims for 28 beneficiaries, against an average of 1,109 among the 54,319 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Mupirocin15 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Northwestern Medical Faculty FoundationChicago, IL
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William John Upton among 4,892 nurse practitioner records in Illinois
William John Upton, APRN, CNP is one of 4,892 nurse practitioner records with a practice address in Illinois. 81% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2024, is newer than 87% of them.
- NPI issued2024 · 87% of these records are older, 8% newer
- In a Medicare fileYes · 81% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2023 · median 2018 among the 3,389 with a school on file
- Record last updated2024 · 36% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363L00000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
952 nurse practitioner records list a practice address in Chicago
They are 952 of the 63,379 NPPES records with a practice address in Chicago, and 4,892 nurse practitioner records in Illinois.
All 4,892 in Illinois → Every provider in Chicago → Nurse Practitioner nationwide →
The 8 nurse practitioner records with the nearest ZIP codes
- Sarah Anderson, NPChicago, IL 606111043243355
- Larry Boehlke, NPChicago, IL 606111972575231
- Joanne Cullina, MSN, APNChicago, IL 606111619904885
- Florence Denby, RN, CNP, APNChicago, IL 606111598773103
- Rebecca DukeChicago, IL 606111932204286
- Sylvia Duraski, CNP, APNChicago, IL 606111417965039
- Barbara Guido, APN-CNPChicago, IL 606111780784611
- Susanna Miranda, DNP, APRN, AGNP-CChicago, IL 606111831118512
Common questions
What is William John Upton, APRN, CNP's NPI number?
William John Upton, APRN, CNP's National Provider Identifier (NPI) is 1477315273, issued on Jan 26, 2024. An NPI identifies a provider in billing; it is not a license.
Where is William John Upton, APRN, CNP located?
The NPPES record lists a practice address at 259 E Erie St Ste 13-205, Chicago, IL, 60611. Phone: (312) 695-8143. Providers update this record themselves, so call before visiting.
How can I verify William John Upton, APRN, CNP's license?
NPPES lists Illinois license number 209028867, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does William John Upton, APRN, CNP prescribe under Medicare Part D?
In 2024, William John Upton, APRN, CNP had 38 Medicare Part D claims for 28 beneficiaries; the average among nurse practitioner prescribers was 1,109. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.