Marion Wilhoite Werner, FNP-C
Family Nurse Practitioner · Chicago, IL
Marion Wilhoite Werner, FNP-C is a family nurse practitioner with a practice address in Chicago, Illinois, and NPI 1689007031, issued on Aug 20, 2013. Check the license (Illinois 209022067, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Marion Wilhoite Werner
- Credential
- FNP-C
- Primary taxonomy
- Family Nurse Practitioner 363LF0000X
- License numbers
- 209022067 IL
25255 TN
23513 CA
345788 NY
Self-reported in NPPES; status is on the state search - Practice location
- 125 S Wacker Dr Ste 300, Chicago, IL 60606
- Phone
- (617) 505-1520
- Enumerated
- Aug 20, 2013
- Record last updated
- May 29, 2026
- Fax
- (617) 928-8401
- Medicare enrollment
- Enrolled (PECOS I20240403002528); accepts Medicare assignment
- Entity
- Type 1 · individual
8 nearest family nurse practitioner records → All 7,639 in Illinois → Look up another NPI →
Also registered at 125 S Wacker Dr Ste 300
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Delliah Adesanya, LCSWClinical Social Worker1255824116
- Robert Ander, MDFamily Medicine Physician1588051122
- Lisa Bellanfonte, MDInternal Medicine Physician1275625113
- Bianca CardenasSocial Worker1740155100
- Lauren Daniels, LPCCounselor1336841600
- Peter Georginis, MDInternal Medicine Physician1629426366
Verify Marion Wilhoite Werner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 209022067Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
91% fewer Medicare Part D claims than the average family nurse practitioner in 2024
113 Medicare Part D claims for 92 beneficiaries, against an average of 1,305 among the 140,557 providers of this specialty who prescribed in Part D. Brand-name drugs were 16% of claims.
Most prescribed
- Amoxicillin-Clavulanate Potass11 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.
2 hospitals and group practices
- Vanderbilt University Medical CenterNashville, TN · Acute Care Hospitals5 of 5 stars
- Vanderbilt Health And Williamson Medical Center Clinics And Services,Franklin, TN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through); hospitals matched to CMS Hospital General Information (Care Compare) (data.cms.gov). Star ratings are CMS hospital ratings, not ratings of this provider.
Marion Wilhoite Werner among 7,639 family nurse practitioner records in Illinois
Marion Wilhoite Werner, FNP-C is one of 7,639 family nurse practitioner records with a practice address in Illinois. 78% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2013, is newer than 17% of them.
- NPI issued2013 · 17% of these records are older, 80% newer
- In a Medicare fileYes · 78% of these records are
- In the CMS Doctors and Clinicians fileYes · 63% of these records are
- Graduated2013 · median 2018 among the 4,778 with a school on file
- Record last updated2026 · 39% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 363LF0000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1,567 family nurse practitioner records list a practice address in Chicago
They are 1,567 of the 63,379 NPPES records with a practice address in Chicago, and 7,639 family nurse practitioner records in Illinois.
All 7,639 in Illinois → Every provider in Chicago → Family Nurse Practitioner nationwide →
The 8 family nurse practitioner records with the nearest ZIP codes
- Mohammed Hashim, FNPChicago, IL 606061194278929
- Devin Haub, FNP-CChicago, IL 606061952835910
- Tifany Jamison, APN, FNP-BCChicago, IL 606061285184150
- Mary Jones, FNP-CChicago, IL 606061720433048
- Lauren Kemp, DNPChicago, IL 606061578019303
- Natalia Klusacek, APRN, FNP-CChicago, IL 606061497142285
- Jessica Mendez, APRN,FNP-CChicago, IL 606061487125704
- Palka Patel, APRN,FNP-CChicago, IL 606061144777830
Common questions
What is Marion Wilhoite Werner, FNP-C's NPI number?
Marion Wilhoite Werner, FNP-C's National Provider Identifier (NPI) is 1689007031, issued on Aug 20, 2013. An NPI identifies a provider in billing; it is not a license.
Where is Marion Wilhoite Werner, FNP-C located?
The NPPES record lists a practice address at 125 S Wacker Dr Ste 300, Chicago, IL, 60606. Phone: (617) 505-1520. Providers update this record themselves, so call before visiting.
How can I verify Marion Wilhoite Werner, FNP-C's license?
NPPES lists Illinois license number 209022067, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Marion Wilhoite Werner, FNP-C prescribe under Medicare Part D?
In 2024, Marion Wilhoite Werner, FNP-C had 113 Medicare Part D claims for 92 beneficiaries; the average among family nurse practitioner prescribers was 1,305. 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.