Individual provider Active NPI

Calla M Holmgren, MD

  • Maternal & Fetal Medicine Physician
  • Park Ridge, IL
National Provider Identifier
1194805002
Registry record updated Apr 17, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Maternal & Fetal Medicine PhysicianTaxonomy code 207VM0101X
License
036.110796 Issued in IL
Practice address
1875 Dempster St
Park Ridge, IL 60068-1186
Phone
(847) 723-8610
NPI assigned
Oct 16, 2006
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Apr 17, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Maternal & Fetal Medicine Physician 207VM0101X 5611159-1205 UT
Maternal & Fetal Medicine Physician 207VM0101X 036.110796 IL Primary

Addresses

Primary practice location

1875 Dempster St
Park Ridge, IL 60068-1186

Mailing address

29373 Network PL
Chicago, IL 60673-1293

Electronic endpoints 2

TypeEndpointUseAffiliation
Direct Messaging Address cholmgren262873@direct.myadvocateaurora.org Direct
FHIR URL https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in UT, IL2 enrollments
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: Yes
Green means eligible to order or refer.

Enrollment records 2

Enrollment IDStateProvider typePAC IDDetails
I20040831000087 UT Practitioner - Obstetrics/Gynecology 8022083385 Reassigns benefits to 2 organizations
I20200526002432 IL Practitioner - Obstetrics/GynecologyPractitioner - Other (Physician) 8022083385 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Obstetrics/Gynecology
Education
Medical College of Wisconsin, 1999
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Advocate Health and Hospitals CorporationGroup PAC ID 7810800935, shared by 39 NPIs, 3,081 clinicians

Practice addresses (Care Compare)

1875 Dempster St
Suite 325
Park Ridge, IL 60068-1127
Phone (847) 723-8610

3310 W Main St
Suite 200
St Charles, IL 60175-1024
Phone (630) 897-6044

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Doctor of Medicine

State licenses

LicenseStateTypeSpecialty
036.110796ILMDMaternal & Fetal Medicine Physician
5611159-1205UTMDMaternal & Fetal Medicine Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Endeavor Health Medical Group CurrentSince Jan 1, 2024 Accepting new patients
University of Utah Specialty Services Maternal & Fetal Medicine CurrentSince Feb 1, 2015 Accepting new patients
University of Utah Specialty Services Current Accepting new patients
Advocate Health & Hospitals Corporation CurrentSince May 1, 2020 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince Oct 1, 2022 Accepting new patients
Endeavor Health Medical Group CurrentSince Jan 1, 2024 Accepting new patients
Advocate Health and Hospitals Corporation CurrentSince May 1, 2020 Accepting new patients
University of Utah Adult Services Current Accepting new patients
University of Utah Adult Services CurrentSince Feb 1, 2015 Accepting new patients
Advocate Health and Hospitals Corporation Current Accepting new patients
University of Utah Specialty Services CurrentSince Feb 1, 2015 Accepting new patients
University of Utah Adult Services CurrentSince Feb 1, 2015 Accepting new patients
University of Utah OB Diagnostic Center PastSince Jun 8, 2013 Accepting new patients
Memorial Hospital of Sweetwater County Past Accepting new patients

Locations

1221 N Highland Ave
Aurora, IL 60506
Phone (630) 859-6700

2357 Sequoia Dr
Aurora, IL 60506
Phone (630) 859-6700

214 McHenry Rd
Buffalo Grove, IL 60089
Phone (847) 459-1160

9532 Eagle Way
Chicago, IL 60678

28594 Network Pl
Chicago, IL 60673

29373 Network Pl
Chicago, IL 60673

2650 Ridge Ave
#1223
Evanston, IL 60201
Phone (847) 982-3172

2650 Ridge Ave
Ste 1223
Evanston, IL 60201
Phone (847) 982-3175

2650 Ridge Ave
Ste 2218A
Evanston, IL 60201
Phone (847) 503-4222

4400 W 95th St
Ste 207
Oak Lawn, IL 60453
Phone (708) 346-5340

1875 W Dempster St
Park Ridge, IL 60068
Phone (847) 723-8640

1875 W Dempster St
Ste 325
Park Ridge, IL 60068
Phone (847) 723-6985

3310 W Main St
Ste 200
St Charles, IL 60175
Phone (630) 897-6044

5121 S Cottonwood St
Salt Lake Cty, UT 84107
Phone (801) 408-8998

50 N Medical Dr
#U
Salt Lake Cty, UT 84132
Phone (801) 581-4314

50 N Medical Dr
Slc, UT 84132
Phone (801) 581-2292

Interoperability endpoints

  • Direct secure messaging: cholmgren262873@direct.myadvocateaurora.org

Organizations & group practices 14

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

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1160956800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1744848000000",
    "number": "1194805002",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "29373 NETWORK PL",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606731293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1875 DEMPSTER ST",
            "city": "PARK RIDGE",
            "state": "IL",
            "postal_code": "600681186",
            "telephone_number": "847-723-8610"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HOLMGREN",
        "first_name": "CALLA",
        "middle_name": "M",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2006-10-16",
        "last_updated": "2025-04-17",
        "certification_date": "2025-04-17",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "UT",
            "license": "5611159-1205",
            "primary": false
        },
        {
            "code": "207VM0101X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology, Maternal & Fetal Medicine",
            "state": "IL",
            "license": "036.110796",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "DIRECT",
            "endpointTypeDescription": "Direct Messaging Address",
            "endpoint": "cholmgren262873@direct.myadvocateaurora.org",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "address_1": "1875 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681186",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "FHIR",
            "endpointTypeDescription": "FHIR URL",
            "endpoint": "https://EpicFHIR.aurora.org/FHIR/MYAURORA/api/FHIR/DSTU2/",
            "affiliation": "N",
            "address_1": "1875 Dempster St",
            "city": "Park Ridge",
            "state": "IL",
            "country_code": "US",
            "postal_code": "600681186",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Park Ridge, IL

Sources for this page

Verify at the official NPI Registry.