Individual provider Active NPI

Erin Sue Marcum, M.D.

  • Hospitalist Physician
  • Westminster, CO
National Provider Identifier
1932361706
Registry record updated Dec 12, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
License
DR.0050223 Issued in CO
Practice address
14300 Orchard Pkwy
Westminster, CO 80023-9206
Phone
(303) 338-4545
NPI assigned
Jul 1, 2008
Sex
Female
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Dec 12, 2025

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X DR.0050223 CO Primary
Internal Medicine Physician 207R00000X 2809 CO

Addresses

Primary practice location

14300 Orchard Pkwy
Westminster, CO 80023-9206

Mailing address

10350 E Dakota Ave
Denver, CO 80247-1314

Other identifiers 2

IdentifierTypeStateIssuer
029007OtherCOKAISER COMMERCIAL NUMBER
01056379MedicaidCO

Electronic endpoints 1

TypeEndpointUseAffiliation
SOAP URL https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq Health Information Exchange (HIE)

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO
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
I20110826000615 CO Practitioner - Internal MedicinePractitioner - Hospitalist 9133399298 Reassigns benefits to 1 organization

Care Compare profile

Medicare Care Compare
Specialty
Internal MedicineAlso: Hospitalist
Education
University of Washington School of Medicine, 2008
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Colorado Permanente Medical Group PCGroup PAC ID 1254238454, 1,325 clinicians

Practice addresses (Care Compare)

200 Emempla Circle
KP Intermountain Health Good Samaritan Hosp
Lafayette, CO 80026-3370
Phone (303) 338-4545

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
DR.0050223COMDHospitalist Physician
2809COMDMassage Therapist

Practice roles

OrganizationSpecialtyStatusNew patients
Portercare Adventist Health System CurrentSince Jul 1, 2015 Accepting new patients
Colorado Permanente Medical Group, P.C. Internal Medicine CurrentSince Feb 3, 2020 Accepting new patients
Portercare Adventist Health System Current Accepting new patients
Portercare Adventist Health System CurrentSince Jul 1, 2015 Accepting new patients

Locations

2525 S Downing St
Denver, CO 80210
Phone (303) 744-2706

2535 S Downing St
Denver, CO 80210
Phone (720) 524-1367

10350 E Dakota Ave
Denver, CO 80247
Phone (303) 636-3350

200 Exempla Cir
Lafayette, CO 80026
Phone (303) 689-4110

7750 S Broadway
Ste 260
Littleton, CO 80122
Phone (303) 734-8650

100 Health Park Dr
Louisville, CO 80027
Phone (303) 673-1000

Organizations & group practices 4

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.

NPI Registry JSON

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

{
    "created_epoch": "1214870400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1765497600000",
    "number": "1932361706",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10350 E DAKOTA AVE",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802471314"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "14300 ORCHARD PKWY",
            "city": "WESTMINSTER",
            "state": "CO",
            "postal_code": "800239206",
            "telephone_number": "303-338-4545"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARCUM",
        "first_name": "ERIN",
        "middle_name": "SUE",
        "name_prefix": "Dr.",
        "credential": "M.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2008-07-01",
        "last_updated": "2025-12-12",
        "certification_date": "2025-12-12",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "CO",
            "license": "DR.0050223",
            "primary": true
        },
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "2809",
            "primary": false
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KAISER COMMERCIAL NUMBER",
            "identifier": "029007",
            "state": "CO"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01056379",
            "state": "CO"
        }
    ],
    "endpoints": [
        {
            "endpointType": "SOAP",
            "endpointTypeDescription": "SOAP URL",
            "endpoint": "https://careepiceast.kp.org:14430/Interconnect-prodcom/wcf/epic.community.hie/xcpdrespondinggatewaysync.svc/ceq",
            "affiliation": "N",
            "endpointDescription": "Carequality",
            "use": "HIE",
            "useDescription": "Health Information Exchange (HIE)",
            "contentType": "OTHER",
            "contentTypeDescription": "Other",
            "contentOtherDescription": "C-CDA",
            "address_1": "14300 Orchard Pkwy",
            "city": "Westminster",
            "state": "CO",
            "country_code": "US",
            "postal_code": "800239206",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Westminster, CO

Sources for this page

Verify at the official NPI Registry.