NPIMap

Organization Active NPI

Portercare Adventist Health System

  • Gastroenterology Physician
  • Denver, CO
National Provider Identifier
1174970313
Registry record updated Aug 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Gastroenterology PhysicianTaxonomy code 207RG0100X
Legal business name
PORTERCARE ADVENTIST HEALTH SYSTEM
Practice address
2535 S Downing St Ste 410
Denver, CO 80210-5847
Phone
(303) 260-2740
Fax
(303) 260-2741
NPI assigned
May 18, 2016
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
Gastroenterology PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207RG0100X Primary

Addresses

Primary practice location

2535 S Downing St Ste 410
Denver, CO 80210-5847

Mailing address

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

Other names 2

  • AdventHealth Medical Group Gastroenterology at Porter Doing business as
  • CHPG SPC Metro A Other name

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

15901 E Briarwood Cir
Aurora, CO 80016
Phone (303) 269-2626

2360 Meadows Blvd
Ste 200
Castle Rock, CO 80109
Phone (720) 455-3775

2465 S Downing St
Denver, CO 80210
Phone (303) 733-3710

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

2535 S Downing St
Ste 180
Denver, CO 80210
Phone (303) 715-7670

8200 E Belleview Ave
Ste 400E
Greenwood Village, CO 80111
Phone (303) 790-2225

9980 Park Meadows Dr
Ste 101
Lone Tree, CO 80124

9695 S Yosemite St
Ste 255BURO
Lone Tree, CO 80124

9403 Crown Crest Blvd
Ste 300ENT
Parker, CO 80138
Phone (720) 274-2544

Practitioners & affiliated clinicians

Practitioners 24

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 24

NPI Registry JSON

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

{
    "created_epoch": "1463529600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786492800000",
    "number": "1174970313",
    "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": "2535 S DOWNING ST STE 410",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802105847",
            "telephone_number": "303-260-2740",
            "fax_number": "303-260-2741"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PORTERCARE ADVENTIST HEALTH SYSTEM",
        "organizational_subpart": "NO",
        "enumeration_date": "2016-05-18",
        "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": "207RG0100X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine, Gastroenterology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "AdventHealth Medical Group Gastroenterology at Porter",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "CHPG SPC Metro A",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Denver, 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.