PORTERCARE ADVENTIST HEALTH SYSTEM
NPI 1669114500
Radiology - Radiation Oncology in Littleton, CO

Active since April 11, 2022
7750 S BROADWAY STE G20, LITTLETON, CO 80122(303) 347-5305 Get Directions Write a Review

NPPES record last updated: August 12, 2026. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Aug 12, 2026, Apr 27, 2022, Apr 11, 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 1669114500), doing business as Adventhealth Radiation Oncology Littleton, is a healthcare organization registered as a radiation oncology in Littleton, Colorado and active in the NPI registry since April 2022. The organization lists Jason Tacha, Coo, as its authorized official.

NPPES Registry Identity

NPI1669114500
Entity TypeOrganization
Primary Taxonomy2085R0001X
Legal Business NamePORTERCARE ADVENTIST HEALTH SYSTEM
Location Address7750 S BROADWAY STE G20Littleton, CO 80122-2637
Mailing AddressPo Box 713425Chicago, IL 60677-4325 · (800) 953-0104 · Fax (303) 765-6670
Organization SubpartNo
Authorized OfficialJason TachaCoo · (303) 304-7752
Enumeration DateApril 11, 2022
Last NPPES UpdateAugust 12, 20263 updates tracked since enumeration
NPPES CertifiedAugust 12, 2026
✔ NPI 1669114500 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyRadiology · Radiation OncologyAllopathic & Osteopathic Physicians
Taxonomy Code2085R0001X
Definition
A radiologist who deals with the therapeutic applications of radiant energy and its modifiers and the study and management of disease, especially malignant tumors.
7750 S BROADWAY STE G20, Littleton, CO 80122

Other Names 2

Doing Business AsAdventhealth Radiation Oncology Littleton
Other NameCentura Radiation Oncology 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)

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, 17 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
Hematology/Oncology
NPI 1467414615
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1801666938
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1396349536
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ PECOS✔ Accepts MedicareSame address
Neurosurgery
NPI 1639216997
7750 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts MedicareSame address
Hematology/Oncology
NPI 1174029052
7750 S BROADWAY STE 100
Littleton, CO 80122
(303) 734-2090
✔ 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
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
Certified Nurse Midwife (CNM)
NPI 1851719926
7780 S BROADWAY STE 280
Littleton, CO 80122
(303) 738-1100
✔ PECOS✔ Accepts MedicareSame address
Thoracic Surgery
NPI 1154327872
7780 S BROADWAY STE 170
Littleton, CO 80122
(303) 269-2920
✔ PECOS✔ Accepts Medicare0.1 mi
Neurosurgery
NPI 1205080892
7780 S BROADWAY STE 350
Littleton, CO 80122
(720) 638-7500
✔ PECOS✔ Accepts Medicare0.1 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 1669114500. It was assigned to this organization in the NPPES registry on April 11, 2022. The provider is doing business as AdventHealth Radiation Oncology Littleton. The provider is also known as Centura Radiation Oncology Littleton.

Where is Portercare Adventist Health System located?

Portercare Adventist Health System is located at 7750 S Broadway Ste G20, Littleton, CO 80122. The listed phone number is (303) 347-5305.

What is Portercare Adventist Health System's specialty?

The primary specialty registered for this NPI is Radiology, specializing in Radiation Oncology, with taxonomy code 2085R0001X.

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, 17 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 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.