Organization Active NPI

Portercare Adventist Health System

Doing business as AdventHealth Medical Group Oncology at Porter

  • Hematology & Oncology Physician
  • Denver, CO
National Provider Identifier
1720990344
Registry record updated Sep 21, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology & Oncology PhysicianTaxonomy code 207RH0003X
Legal business name
PORTERCARE ADVENTIST HEALTH SYSTEM
Doing business as
AdventHealth Medical Group Oncology at Porter
Practice address
950 E Harvard Ave Ste 350
Denver, CO 80210-7067
Phone
(303) 715-7030
Fax
(303) 715-7035
NPI assigned
Sep 18, 2026
Last updated
Sep 21, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 21, 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
Hematology & Oncology Physician 207RH0003X NU Primary

Addresses

Primary practice location

950 E Harvard Ave Ste 350
Denver, CO 80210-7067

Mailing address

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

Other names 1

  • AdventHealth Medical Group Oncology at Porter Doing business as

National Provider Directory

National Provider Directory
Tax ID family
Porter Clinical Laborat216 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 24

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 24

NPI Registry JSON

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

{
    "created_epoch": "1789689600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789948800000",
    "number": "1720990344",
    "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": "950 E HARVARD AVE STE 350",
            "city": "DENVER",
            "state": "CO",
            "postal_code": "802107067",
            "telephone_number": "303-715-7030",
            "fax_number": "303-715-7035"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PORTERCARE ADVENTIST HEALTH SYSTEM",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-09-18",
        "last_updated": "2026-09-21",
        "certification_date": "2026-09-21",
        "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": "207RH0003X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology & Oncology",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "AdventHealth Medical Group Oncology at Porter",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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 Sep 21, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.