Ann Zimmerman, FNP

Primary specialty

Family Nurse PractitionerTaxonomy code 363LF0000X

License

209014820 Issued in IL

Practice address

233 S Wacker Dr Ste 3700
Chicago, IL 60606-6382

Phone

(847) 448-0400

NPI assigned

Sep 21, 2016

Last updated

Sep 28, 2026By the provider in NPPES

Sex

Female

Sole proprietor

Yes

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 14

Addresses

Medicare fee-for-service enrollment

Enrolled in MO, VA, NE, SD, NY, IN, OH7 enrollments

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: Yes
• Power mobility devices: Yes
• Hospice: No

Green means eligible to order or refer.

Enrollment records 7

Specialty

Nurse Practitioner

Education

Other, 2011

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Nurse Practitioner

State licenses

Practice roles

Interoperability endpoints

• Direct secure messaging: azimmerman21418@carelonhealth.direct-ci.com
• FHIR API: https://api.platform.athenahealth.com/24009/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• Carelon Medical Partners, PC

  • Hospice and Palliative Medicine (Internal Medicine) Physician
  • Nashville, TN
  • NPI 1124443403

  IN, MO, NE, OH, SD, VA

  Medicare reassignment
• Osf Multi-Specialty Group

  • Internal Medicine Physician
  • Peoria, IL
  • NPI 1922445527
  NPD (past)
• Aspire Health Medical Partners of Middle Tennessee PC

  • Geriatric Medicine (Internal Medicine) Physician
  • Nashville, TN
  • NPI 1215372354
  NPD (past)
• Paragon Clinical Midwest, LLC

  • Nurse Practitioner
  • Merrillville, IN
  • NPI 1619335700
  NPD (past)

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1474416000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790553600000",
    "number": "1306395157",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12900 PARK PLAZA DR STE 150",
            "city": "CERRITOS",
            "state": "CA",
            "postal_code": "907039329"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "233 S WACKER DR STE 3700",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606066382",
            "telephone_number": "847-448-0400"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "100 S 4th St Ste 1000",
            "address_purpose": "LOCATION",
            "city": "Saint Louis",
            "state": "MO",
            "postal_code": "631021825",
            "country_code": "US",
            "telephone_number": "844-337-3627",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "12421 Meredith Dr Ste 130",
            "address_purpose": "LOCATION",
            "city": "Urbandale",
            "state": "IA",
            "postal_code": "503234000",
            "country_code": "US",
            "telephone_number": "515-219-3783",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ZIMMERMAN",
        "first_name": "ANN",
        "credential": "FNP",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2016-09-21",
        "last_updated": "2026-09-28",
        "certification_date": "2026-09-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NY",
            "license": "354025",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "SD",
            "license": "CP003351",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "OH",
            "license": "APRN.CNP.0036103",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IL",
            "license": "209014820",
            "primary": true
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "ND",
            "license": "200460",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "KS",
            "license": "53-83180-011",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IA",
            "license": "A172193",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "NE",
            "license": "115362",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MI",
            "license": "4704413096",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "VA",
            "license": "0024190160",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "IN",
            "license": "71015575A",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MN",
            "license": "12087",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "95033928",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Family",
            "state": "MO",
            "license": "2024003592",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Anthony Zimmer, ATC
• Khamillah Zimmer
• Nancy Elizabeth Zimmer, PAC
• Joanne Marie Zimmerly, FNP
• Barbara Ann Zimmerman Minnich, C.N.M.
• Arielle Zimmerman
• Ashley Zimmerman, OD
• Bree Zimmerman, M.D.
• Brenna Marie Zimmerman, LPC
• Donald Zimmerman, MD

• Family Nurse Practitioner in Chicago, IL
• Providers in Chicago, IL by specialty
• Family Nurse Practitioner in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 28, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.