NPIMap

Organization Active NPI

Portercare Adventist Health System

Doing business as AdventHealth Medical Group OB/GYN at Louisville

  • Obstetrics & Gynecology Physician
  • Louisville, CO
National Provider Identifier
1639788045
Registry record updated Aug 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Obstetrics & Gynecology PhysicianTaxonomy code 207V00000X
Legal business name
PORTERCARE ADVENTIST HEALTH SYSTEM
Doing business as
AdventHealth Medical Group OB/GYN at Louisville
Whlo WH Louisville
Practice address
90 Health Park Dr Ste 260
Louisville, CO 80027-4521
Phone
(303) 649-3180
Fax
(303) 269-2790
NPI assigned
Jul 31, 2020
Last updated
Aug 14, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Aug 14, 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
Obstetrics & Gynecology Physician 207V00000X Primary

Addresses

Primary practice location

90 Health Park Dr Ste 260
Louisville, CO 80027-4521

Mailing address

PO Box 713425
Chicago, IL 60677-4325

Other names 2

  • AdventHealth Medical Group OB/GYN at Louisville Doing business as
  • WHLO WH LOUISVILLE 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
Tax ID family
Arapahoe Medical Labora217 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

Practitioners & affiliated clinicians

Practitioners 8

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.

NPI Registry JSON

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

{
    "created_epoch": "1596153600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786665600000",
    "number": "1639788045",
    "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"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "90 HEALTH PARK DR STE 260",
            "city": "LOUISVILLE",
            "state": "CO",
            "postal_code": "800274521",
            "telephone_number": "303-649-3180",
            "fax_number": "303-269-2790"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PORTERCARE ADVENTIST HEALTH SYSTEM",
        "organizational_subpart": "NO",
        "enumeration_date": "2020-07-31",
        "last_updated": "2026-08-14",
        "certification_date": "2026-08-14",
        "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": "207V00000X",
            "taxonomy_group": "",
            "desc": "Obstetrics & Gynecology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "AdventHealth Medical Group OB/GYN at Louisville",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "WHLO WH LOUISVILLE",
            "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 14, 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.