Individual provider Active NPI

Peter Brendan Cahill, MD

  • Geriatric Medicine (Internal Medicine) Physician
  • Denver, CO
National Provider Identifier
1144389123
Registry record updated Jun 4, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Geriatric Medicine (Internal Medicine) PhysicianTaxonomy code 207RG0300X
License
32931 Issued in CO
Practice address
10350 E Dakota Ave
Denver, CO 80247-1314
Phone
(303) 338-4545
NPI assigned
Dec 6, 2006
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Jun 4, 2026

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

Specialties & licenses 2

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine Physician 207R00000X DR.0032931 CO
Geriatric Medicine (Internal Medicine) Physician 207RG0300X 32931 CO Primary

Addresses

Primary practice location

10350 E Dakota Ave
Denver, CO 80247-1314

Mailing address

10350 E Dakota Ave
Denver, CO 80247-1314

Other identifiers 2

IdentifierTypeStateIssuer
01329317MedicaidCO
022453OtherCOKAISER COMMERCIAL NUMBER

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
I20090129000065 CO Practitioner - Geriatric MedicinePractitioner - Internal Medicine 6002707395 Reassigns benefits to 1 organization

National Provider Directory

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

State licenses

LicenseStateTypeSpecialty
32931COMDGeriatric Medicine (Internal Medicine) Physician

Practice roles

OrganizationSpecialtyStatusNew patients
Colorado Permanente Medical Group, P.C. Internal Medicine CurrentSince Dec 27, 2011 Accepting new patients
Chronic Care Consultants Geriatric Medicine Past Accepting new patients

Locations

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

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

NPI Registry JSON

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

{
    "created_epoch": "1165363200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780531200000",
    "number": "1144389123",
    "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": "10350 E DAKOTA AVE",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802471314",
            "telephone_number": "303-338-4545"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CAHILL",
        "first_name": "PETER",
        "middle_name": "BRENDAN",
        "name_prefix": "Dr.",
        "credential": "MD",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-12-06",
        "last_updated": "2026-06-04",
        "certification_date": "2026-06-04",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine",
            "state": "CO",
            "license": "DR.0032931",
            "primary": false
        },
        {
            "code": "207RG0300X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Geriatric Medicine",
            "state": "CO",
            "license": "32931",
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "01329317",
            "state": "CO"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "KAISER COMMERCIAL NUMBER",
            "identifier": "022453",
            "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": "10350 E Dakota Ave",
            "city": "Denver",
            "state": "CO",
            "country_code": "US",
            "postal_code": "802471314",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Denver, CO

Sources for this page

Verify at the official NPI Registry.