PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1194454512
Neurological Surgery in Castle Rock, CO

Active since June 09, 2022
4350 LIMELIGHT AVE STE 100, CASTLE ROCK, CO 80109(720) 638-7500(720) 484-6918 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Aug 12, 2026, May 9, 2025, Jun 9, 2022 (3 updates tracked since 2022).

About Portercare Adventist Health System NPPES

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

PORTERCARE ADVENTIST HEALTH SYSTEM (NPI 1194454512), doing business as Neurosurgery One Castle Rock, is a healthcare organization registered as a neurological surgery in Castle Rock, Colorado and active in the NPI registry since June 2022. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1194454512
Entity TypeOrganization
Primary Taxonomy207T00000X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address4350 LIMELIGHT AVE STE 100Castle Rock, CO 80109-8034
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Fax(720) 484-6918
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateJune 9, 2022
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1194454512 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.
4350 LIMELIGHT AVE STE 100, Castle Rock, CO 80109

Other Names 1

Doing Business AsNeurosurgery One Castle Rock

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)

Portercare 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 Portercare Adventist Health System, which bills Medicare for the services they deliver. Of these, 4 practice at this address and 96 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
Hand Surgery
NPI 1588772610
4350 LIMELIGHT AVE STE 100
Castle Rock, CO 80109
(720) 455-3775
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1366445041
4350 LIMELIGHT AVE STE 100
Castle Rock, CO 80109
(720) 455-3775
✔ PECOS✔ Accepts MedicareSame address
Orthopedic Surgery
NPI 1225411242
4350 LIMELIGHT AVE STE 100
Castle Rock, CO 80109
(720) 455-3775
✔ PECOS✔ Accepts MedicareSame address
Physical Medicine and Rehabilitation
NPI 1689170532
4350 LIMELIGHT AVE
Castle Rock, CO 80109
(720) 455-3775
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1851330492
2350 MEADOWS BLVD
Castle Rock, CO 80109
(720) 455-0350
✔ PECOS0.1 mi
Internal Medicine
NPI 1750532552
2350 MEADOWS BLVD
Castle Rock, CO 80109
(720) 455-0655
✔ PECOS✔ Accepts Medicare0.1 mi
Internal Medicine
NPI 1639531098
2350 MEADOWS BLVD
Castle Rock, CO 80109
(720) 455-0655
✔ PECOS✔ Accepts Medicare0.1 mi
Obstetrics/Gynecology
NPI 1417210477
2350 MEADOWS BLVD
Castle Rock, CO 80109
(720) 455-0350
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1841766268
2350 MEADOWS BLVD
Castle Rock, CO 80109
(720) 455-0489
✔ PECOS✔ Accepts Medicare0.1 mi
Physical Medicine and Rehabilitation
NPI 1093919235
2360 MEADOWS BLVD STE 200
Castle Rock, CO 80109
(720) 455-3775
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1033674767
2360 MEADOWS BLVD STE 200
Castle Rock, CO 80109
(720) 455-3775
✔ PECOS✔ Accepts Medicare0.1 mi
Certified Nurse Midwife (CNM)
NPI 1457079196
2356 MEADOWS BLVD STE 310B
Castle Rock, CO 80109
(720) 330-1460
✔ PECOS0.1 mi
Certified Nurse Midwife (CNM)
NPI 1275971962
2356 MEADOWS BLVD STE 310B
Castle Rock, CO 80109
(720) 330-1460
✔ PECOS✔ Accepts Medicare0.1 mi
Mental Health Counselor
NPI 1093670036
2356 MEADOWS BLVD STE 310B
Castle Rock, CO 80109
(720) 330-1460
✔ PECOS✔ Accepts Medicare0.1 mi
Family Practice
NPI 1811171572
2356 MEADOWS BLVD STE 140B
Castle Rock, CO 80109
(303) 218-7774
✔ PECOS✔ Accepts Medicare0.1 mi
Mental Health Counselor
NPI 1891554614
2356 MEADOWS BLVD STE 240B
Castle Rock, CO 80109
(303) 649-3380
✔ PECOS✔ Accepts Medicare0.1 mi
Family Practice
NPI 1841729217
2356 MEADOWS BLVD STE 140B
Castle Rock, CO 80109
(303) 218-7774
✔ PECOS✔ Accepts Medicare0.1 mi
Urology
NPI 1639312226
2352 MEADOWS BLVD STE 300
Castle Rock, CO 80109
(303) 649-3710
✔ PECOS✔ Accepts Medicare0.2 mi
Urology
NPI 1598027336
2352 MEADOWS BLVD STE 300
Castle Rock, CO 80109
(720) 455-0670
✔ PECOS✔ Accepts Medicare0.2 mi
Hospitalist
NPI 1922502152
2350 MEADOWS BLVD
Castle Rock, CO 80109
(720) 455-0655
✔ PECOS✔ Accepts Medicare0.4 mi
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 Portercare Adventist Health System's NPI number?

The NPI number for Portercare Adventist Health System is 1194454512. It was assigned to this organization in the NPPES registry on June 9, 2022. The provider is doing business as Neurosurgery One Castle Rock.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 4350 Limelight Ave Ste 100, Castle Rock, CO 80109. The listed phone number is (720) 638-7500.

What is Portercare Adventist Health System's specialty?

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

Is Portercare Adventist Health System enrolled in Medicare?

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

How many clinicians bill Medicare through Portercare Adventist Health System?

According to the CMS Revalidation Reassignment List (October 2026 release), 733 clinicians in 45 Medicare specialties reassign their Medicare billing to Portercare 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, 4 practice at this address and 96 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 Portercare 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.