Individual provider Active NPI

Colleen Ann Keegan, D.O.

  • Dermatology Physician
  • Naperville, IL
National Provider Identifier
1497937106
Registry record updated Jun 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Dermatology PhysicianTaxonomy code 207N00000X
License
036-076923 Issued in IL
Practice address
636 Raymond Dr Ste 200
Naperville, IL 60563-9791
Phone
(630) 315-6500
Fax
(630) 315-6519
NPI assigned
Dec 4, 2007
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 25, 2025

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Dermatology Physician 207N00000X 036-076923 IL Primary

Addresses

Primary practice location

636 Raymond Dr Ste 200
Naperville, IL 60563-9791

Mailing address

636 Raymond Dr Ste 200
Naperville, IL 60563-9791
Phone (630) 315-6500

Other identifiers 1

IdentifierTypeStateIssuer
036076923OtherILMEDICAID

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in IL
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 1

Enrollment IDStateProvider typePAC IDDetails
I20041213000783 IL Practitioner - Dermatology 6002897436 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Dermatology
Education
Chicago College of Osteopathy, 1986
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Telehealth
Offers telehealth services
Group practices
Central Dupage Physician GroupGroup PAC ID 5890696231, 1,087 clinicians

Practice addresses (Care Compare)

636 Raymond Dr
Naperville, IL 60563-9789
Phone (630) 315-6500

Hospital & facility affiliations

  • Northwestern Medicine Central Dupage Hospital Hospital, Winfield, IL, CCN 140242

Merit-based Incentive Payment System (MIPS)

Final score
95.63 of 100Reported as apm
Quality
88.47
Promoting interoperability
100
Improvement activities
40

Procedures performed for Medicare patients

ProcedureNumber of procedures
Removal of skin lesions444
Removal or shaving of skin growth22
Skin biopsy80

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
036-076923ILMDDermatology Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Dr. Stuart a. Morgenstein & Associates, LTD. Past Accepting new patients

Interoperability endpoints

  • Direct secure messaging: ckeegan@directaddress.net

Organizations & group practices 2

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.

Hospital & facility affiliations 2

Hospitals and other facilities this clinician is affiliated with according to Medicare Care Compare.

NPI Registry JSON

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

{
    "created_epoch": "1196726400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1750809600000",
    "number": "1497937106",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "636 RAYMOND DR STE 200",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605639791",
            "telephone_number": "630-315-6500",
            "fax_number": "630-315-6519"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "636 RAYMOND DR STE 200",
            "city": "NAPERVILLE",
            "state": "IL",
            "postal_code": "605639791",
            "telephone_number": "630-315-6500",
            "fax_number": "630-315-6519"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "KEEGAN",
        "first_name": "COLLEEN",
        "middle_name": "ANN",
        "name_prefix": "Dr.",
        "credential": "D.O.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2007-12-04",
        "last_updated": "2025-06-25",
        "certification_date": "2025-06-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207N00000X",
            "taxonomy_group": "",
            "desc": "Dermatology",
            "state": "IL",
            "license": "036-076923",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID",
            "identifier": "036076923",
            "state": "IL"
        }
    ],
    "endpoints": [],
    "other_names": []
}

Other providers in Naperville, IL

Sources for this page

Verify at the official NPI Registry.