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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

ANN ZIMMERMAN FNP
NPI 1306395157
Nurse Practitioner - Family in Chicago, IL

Active since September 21, 2016PECOS Enrolled
233 S WACKER DR STE 3700, CHICAGO, IL 60606(847) 448-0400 Get Directions Write a Review

NPPES record last updated: September 28, 2026. Verified against the NPPES registry weekly; last sync: October 11, 2026.

Record update history: Sep 28, 2026, Sep 21, 2016 (2 updates tracked since 2016).

About Ann Zimmerman Fnp NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

ANN ZIMMERMAN FNP (NPI 1306395157) is an individual family provider in Chicago, Illinois, licensed in Illinois (209014820) and active in the NPI registry since September 2016. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2011).

NPPES Registry Identity

NPI1306395157
Entity TypeIndividualFemale
Primary Taxonomy363LF0000X
Provider Legal NameANN ZIMMERMANCredential: FNP
Location Address233 S WACKER DR STE 3700Chicago, IL 60606-6382
Mailing Address12900 Park Plaza Dr Ste 150Cerritos, CA 90703-9329
Phone(847) 448-0400
Sole ProprietorYes
Medical School CMSOtherGraduated 2011
Enumeration DateSeptember 21, 2016
Last NPPES UpdateSeptember 28, 20262 updates tracked since enumeration
NPPES CertifiedSeptember 28, 2026
✔ NPI 1306395157 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · FamilyPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LF0000X
Licenses✔ Licensed in IL · 209014820✔ Licensed in NY · 354025✔ Licensed in SD · CP003351✔ Licensed in OH · APRN.CNP.0036103✔ Licensed in ND · 200460✔ Licensed in KS · 53-83180-011✔ Licensed in IA · A172193✔ Licensed in NE · 115362✔ Licensed in MI · 4704413096✔ Licensed in VA · 0024190160✔ Licensed in IN · 71015575A✔ Licensed in MN · 12087✔ Licensed in CA · 95033928✔ Licensed in MO · 2024003592
233 S WACKER DR STE 3700, Chicago, IL 60606
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1100 S 4th St Ste 1000Saint Louis, MO 63102-1825 · Phone (844) 337-3627
Location 212421 Meredith Dr Ste 130Urbandale, IA 50323-4000 · Phone (515) 219-3783

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Ann Zimmerman Fnp is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID345538922
PECOS Enrollment IDI20260331002197
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 60606 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$94.06 typical visit price
range $60.08 – $183.39
Typical copayment $23.51 (range $15.02 – $45.84)
Most-billed visit code 99203
Established Patient
$105.70 typical visit price
range $18.97 – $148.12
Typical copayment $26.42 (range $4.74 – $37.03)
Most-billed visit code 99214
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

GLENDA NELSON-ANNANG MSN, APRN, FNP-BC
Nurse Practitioner (Family)
233 S WACKER DR STE 3700
CHICAGO, IL 60606
Cook County (847) 448-0400

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Ann Zimmerman's NPI number?

The NPI number for Ann Zimmerman is 1306395157. It was assigned to this individual provider in the NPPES registry on September 21, 2016.

Where is Ann Zimmerman located?

Ann Zimmerman practices at 233 S Wacker Dr Ste 3700, Chicago, IL 60606. The listed phone number is (847) 448-0400.

What is Ann Zimmerman's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.

Is Ann Zimmerman enrolled in Medicare?

Yes. Ann Zimmerman is registered in the Medicare PECOS enrollment system.

When was this NPI record last updated?

The NPPES record for Ann Zimmerman was last updated on September 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 18 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.