PORTER ADVENTIST HEALTH SYSTEM
NPI 1851969919
Neurological Surgery in Littleton, CO

Active since June 15, 2021
7780 S BROADWAY STE 350, LITTLETON, CO 80122(720) 638-7500(720) 583-6770 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Aug 12, 2026, Jun 15, 2021 (2 updates tracked since 2021).

About Porter Adventist Health System NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

PORTER ADVENTIST HEALTH SYSTEM (NPI 1851969919), doing business as Neurosurgery One Littleton, is a healthcare organization registered as a neurological surgery in Littleton, Colorado and active in the NPI registry since June 2021. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1851969919
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NamePORTER ADVENTIST HEALTH SYSTEM
Location Address7780 S BROADWAY STE 350Littleton, CO 80122-2641
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Fax(720) 583-6770
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateJune 15, 2021
Last NPPES UpdateAugust 12, 20262 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1851969919 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNeurological SurgeryAllopathic & Osteopathic Physicians
Taxonomy Code207T00000X
Definition
A neurological surgeon provides the operative and non-operative management (i.e., prevention, diagnosis, evaluation, treatment, critical care, and rehabilitation) of disorders of the central, peripheral, and autonomic nervous systems, including their supporting structures and vascular supply; the evaluation and treatment of pathological processes which modify function or activity of the nervous system; and the operative and non-operative management of pain. A neurological surgeon treats patients with disorders of the nervous system; disorders of the brain, meninges, skull, and their blood supply, including the extracranial carotid and vertebral arteries; disorders of the pituitary gland; disorders of the spinal cord, meninges, and vertebral column, including those which may require treatment by spinal fusion or instrumentation; and disorders of the cranial and spinal nerves throughout their distribution.
7780 S BROADWAY STE 350, Littleton, CO 80122

Other Names 1

Doing Business AsNeurosurgery One Littleton

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Porter Adventist Health System is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

733

Medicare enrollment records show 733 clinicians reassign Medicare billing to Porter Adventist Health System, which bills Medicare for the services they deliver. Of these, 22 practice at this address and 318 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 45

Nurse Practitioner159
Family Practice83
Internal Medicine77
Obstetrics/Gynecology69
Hospitalist47
Orthopedic Surgery36
Gastroenterology25
Mental Health Counselor20
37 other specialties217

Nearest to this location (20)

See all 733
Certified Nurse Midwife (CNM)
NPI 1851719926
7780 S BROADWAY STE 280
Littleton, CO 80122
(303) 738-1100
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1760806673
7780 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1811289523
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1295113405
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1104295104
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1548425499
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Physical Medicine and Rehabilitation
NPI 1467545137
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 996-1260
✔ PECOS✔ Accepts MedicareSame address
Physical Medicine and Rehabilitation
NPI 1396716395
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Clinical Psychologist
NPI 1700967668
7780 S BROADWAY STE 340
Littleton, CO 80122
(303) 730-4400
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1316664154
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Physical Medicine and Rehabilitation
NPI 1164873758
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1154327872
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1205080892
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Neurology
NPI 1114260619
7780 S BROADWAY STE 350
Littleton, CO 80122
(303) 730-4400
✔ PECOS✔ Accepts MedicareSame address
Cardiac Surgery
NPI 1033299292
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1144757238
7780 S BROADWAY STE 150
Littleton, CO 80122
(303) 347-9897
✔ PECOS✔ Accepts MedicareSame address
Mental Health Counselor
NPI 1124699673
7780 S BROADWAY STE 300
Littleton, CO 80122
(970) 852-4801
✔ PECOS✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1427094267
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1679579551
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1467414615
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
See all 733 clinicians

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Porter Adventist Health System's NPI number?

The NPI number for Porter Adventist Health System is 1851969919. It was assigned to this organization in the NPPES registry on June 15, 2021. The provider is doing business as Neurosurgery One Littleton.

Where is Porter Adventist Health System located?

Porter Adventist Health System is located at 7780 S Broadway Ste 350, Littleton, CO 80122. The listed phone number is (720) 638-7500.

What is Porter Adventist Health System's specialty?

The primary specialty registered for this NPI is Neurological Surgery with taxonomy code 207T00000X.

Is Porter Adventist Health System enrolled in Medicare?

Yes. Porter Adventist Health System is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Porter Adventist Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 733 clinicians in 45 Medicare specialties reassign their Medicare billing to Porter Adventist Health System. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nurse Practitioner (159), Family Practice (83) and Internal Medicine (77). Of these, 22 practice at this address and 318 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Porter Adventist Health System was last updated on August 12, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.