NPIMap

Organization Active NPI

Portercare Adventist Health System

Doing business as Aahg Hospitalists Aah

  • Hospitalist Physician
  • Louisville, CO
National Provider Identifier
1679961569
Registry record updated Aug 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
Legal business name
PORTERCARE ADVENTIST HEALTH SYSTEM
Doing business as
Aahg Hospitalists Aah
AdventHealth Medical Group Hospitalists at Avista
Practice address
100 Health Park Dr
Louisville, CO 80027-9583
Phone
(303) 673-1000
Fax
(303) 673-1204
NPI assigned
Dec 31, 2014
Last updated
Aug 12, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 12, 2026

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

Authorized official

Name
Mr. Jason Tacha
Title
Coo
Phone
(303) 304-7752

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist Physician 208M00000X NU Primary

Addresses

Primary practice location

100 Health Park Dr
Louisville, CO 80027-9583

Mailing address

PO Box 713425
Chicago, IL 60677-4325
Phone (800) 953-0104

Other names 2

  • AAHG HOSPITALISTS AAH Doing business as
  • AdventHealth Medical Group Hospitalists at Avista Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CO

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20090115000327 CO Part B Supplier - Clinic/Group Practice 0941110886 Receives reassigned benefits from 869 practitioners
This NPI is an additional NPI on the enrollment

National Provider Directory

National Provider Directory

Locations

2490 W 26th Ave
Ste 120A
Denver, CO 80211
Phone (303) 433-8800

Practitioners & affiliated clinicians

Practitioners 32

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 32

NPI Registry JSON

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

{
    "created_epoch": "1419984000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786492800000",
    "number": "1679961569",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 713425",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606774325",
            "telephone_number": "800-953-0104",
            "fax_number": "303-765-6670"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "100 HEALTH PARK DR",
            "city": "LOUISVILLE",
            "state": "CO",
            "postal_code": "800279583",
            "telephone_number": "303-673-1000",
            "fax_number": "303-673-1204"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PORTERCARE ADVENTIST HEALTH SYSTEM",
        "organizational_subpart": "NO",
        "enumeration_date": "2014-12-31",
        "last_updated": "2026-08-12",
        "certification_date": "2026-08-12",
        "status": "A",
        "authorized_official_last_name": "TACHA",
        "authorized_official_first_name": "JASON",
        "authorized_official_title_or_position": "COO",
        "authorized_official_telephone_number": "303-304-7752",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "",
            "desc": "Hospitalist",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "AAHG HOSPITALISTS AAH",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "AdventHealth Medical Group Hospitalists at Avista",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Louisville, CO

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 12, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.