Organization Active NPI

Porter Adventist Health System

Doing business as Neurosurgery One Littleton

  • Neurological Surgery Physician
  • Littleton, CO
National Provider Identifier
1851969919
Registry record updated Aug 12, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Neurological Surgery PhysicianTaxonomy code 207T00000X
Legal business name
PORTER ADVENTIST HEALTH SYSTEM
Doing business as
Neurosurgery One Littleton
Practice address
7780 S Broadway Ste 350
Littleton, CO 80122-2641
Phone
(720) 638-7500
Fax
(720) 583-6770
NPI assigned
Jun 15, 2021
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
Neurological Surgery PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207T00000X Primary

Addresses

Primary practice location

7780 S Broadway Ste 350
Littleton, CO 80122-2641

Mailing address

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

Other names 1

  • Neurosurgery One Littleton 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

12596 W Bayaud Ave
Lakewood, CO 80228

9695 S Yosemite St
Ste 377
Lone Tree, CO 80124
Phone (303) 800-3789

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": "1623715200000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1786492800000",
    "number": "1851969919",
    "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": "7780 S BROADWAY STE 350",
            "city": "LITTLETON",
            "state": "CO",
            "postal_code": "801222641",
            "telephone_number": "720-638-7500",
            "fax_number": "720-583-6770"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "PORTER ADVENTIST HEALTH SYSTEM",
        "organizational_subpart": "NO",
        "enumeration_date": "2021-06-15",
        "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": "207T00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Neurological Surgery",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Neurosurgery One Littleton",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Littleton, 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.