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USACS OF COLORADO INC
NPI 1023644861
Emergency Medicine in Castle Rock, CO

Active since March 12, 2020
2350 MEADOWS BLVD, CASTLE ROCK, CO 80109(330) 493-4443 Get Directions Write a Review

NPPES record last updated: March 12, 2020. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Usacs Of Colorado Inc NPPES

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

USACS OF COLORADO INC (NPI 1023644861) is a healthcare organization registered as an emergency medicine in Castle Rock, Colorado and active in the NPI registry since March 2020. The organization lists Dominic Bagnoli, Board Director, as its authorized official.

NPPES Registry Identity

NPI1023644861
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameUSACS OF COLORADO INC
Location Address2350 MEADOWS BLVDCastle Rock, CO 80109-8405
Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545 · (330) 493-4443
Phone(330) 493-4443
Organization SubpartNo
Authorized OfficialDominic BagnoliBoard Director · (330) 493-4443
Enumeration DateMarch 12, 2020
NPPES CertifiedMarch 12, 2020
✔ NPI 1023644861 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyEmergency MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207P00000X
Definition
An emergency physician focuses on the immediate decision making and action necessary to prevent death or any further disability both in the pre-hospital setting by directing emergency medical technicians and in the emergency department. The emergency physician provides immediate recognition, evaluation, care, stabilization and disposition of a generally diversified population of adult and pediatric patients in response to acute illness and injury.
2350 MEADOWS BLVD, Castle Rock, CO 80109
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Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE 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)

Usacs Of Colorado Inc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

466

Medicare enrollment records show 466 clinicians reassign Medicare billing to Usacs Of Colorado Inc, which bills Medicare for the services they deliver. Of these, 2 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Emergency Medicine412
Nurse Practitioner36
Family Practice9
Internal Medicine6
Pediatric Medicine2
Critical Care (Intensivists)1

Nearest to this location (20)

See all 466
Brian Gillett, MD
Emergency Medicine
NPI 1265424915
12230 LIONESS WAY STE 410
Parker, CO 80134
(720) 644-9355
✔ PECOS✔ Accepts Medicare9.4 mi
Lindsey Jannach, M.D.
Emergency Medicine
NPI 1891131975
10240 PARK MEADOWS DR
Lone Tree, CO 80124
(303) 338-4545
✔ PECOS9.9 mi
Kaitlin Hunt, MD
Emergency Medicine
NPI 1821626144
9395 CROWN CREST BLVD
Parker, CO 80138
(303) 269-4000
✔ PECOS✔ Accepts Medicare12 mi
Nicholas Schimmel, DO
Emergency Medicine
NPI 1073259677
9395 CROWN CREST BLVD
Parker, CO 80138
(303) 269-4000
✔ PECOS✔ Accepts Medicare12 mi
Brandon Bealer, DO
Emergency Medicine
NPI 1366025066
9395 CROWN CREST BLVD
Parker, CO 80138
(435) 559-2325
✔ PECOS✔ Accepts Medicare12 mi
Megan Free
Emergency Medicine
NPI 1881359032
8401 S CHAMBERS RD
Parker, CO 80134
(971) 998-2059
✔ PECOS✔ Accepts Medicare12 mi
Courtney Greenup, NURSE PRACTITIONER
Nurse Practitioner
NPI 1184277394
9137 RIDGELINE BLVD STE 100
Highlands Ranch, CO 80129
(303) 649-3140
✔ PECOS✔ Accepts Medicare12 mi
Stefen Ammon, MD
Emergency Medicine
NPI 1730210733
7700 S BROADWAY LITTLETON ADVENTIST HOSPITAL, EMERGENCY DEPT.
Littleton, CO 80122
(303) 778-5666
✔ PECOS✔ Accepts Medicare13 mi
Jonathan Apfelbaum, MD
Emergency Medicine
NPI 1790745867
7700 S BROADWAY LITTLETON ADVENTIST HOSPITAL - EMERGENCY DEPARTMENT
Littleton, CO 80122
(303) 730-5800
✔ PECOS13 mi
Diane Barta, MD
Emergency Medicine
NPI 1366416000
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5800
✔ PECOS13 mi
Taleesha Becker, M.D.
Emergency Medicine
NPI 1497168710
7700 S BROADWAY
Littleton, CO 80122
(303) 730-8900
✔ PECOS✔ Accepts Medicare13 mi
Paul Davidson, MD
Internal Medicine
NPI 1760456412
7700 S BROADWAY
Littleton, CO 80122
(303) 730-5800
✔ PECOS✔ Accepts Medicare13 mi
Bree Naibauer, N.P.
Nurse Practitioner
NPI 1093132243
15 W DRY CREEK CIR
Littleton, CO 80120
(303) 952-1100
✔ PECOS14 mi
Gary Seifert, APRN NP-C
Nurse Practitioner
NPI 1871164798
11590 BLACK FOREST RD STE 10
Denver, CO 80203
(719) 629-7988
✔ PECOS✔ Accepts Medicare15 mi
Cecelia Johnson-Sasso
Internal Medicine
NPI 1760986582
6179 S BALSAM WAY STE 110
Littleton, CO 80123
(303) 948-1570
✔ PECOS✔ Accepts Medicare18 mi
Anthony Guglielmo, FNP-BC
Nurse Practitioner
NPI 1538549811
777 BANNOCK ST
Denver, CO 80204
(303) 436-6000
✔ PECOS✔ Accepts Medicare23 mi
Melissa Morris, FNP-BC AGACNP-BC
Nurse Practitioner
NPI 1295285179
777 BANNOCK ST
Denver, CO 80204
(303) 436-6000
✔ PECOS✔ Accepts Medicare23 mi
Kailynn Perkins
Nurse Practitioner
NPI 1538848809
777 BANNOCK ST
Denver, CO 80204
(303) 436-4949
✔ PECOS✔ Accepts Medicare23 mi
Lori Montagna, MD
Pediatric Medicine
NPI 1487613360
12605 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare24 mi
Michael Dumpert, NP
Nurse Practitioner
NPI 1285945964
12605 E 16TH AVE
Aurora, CO 80045
(720) 848-0000
✔ PECOS✔ Accepts Medicare24 mi
See all 466 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 Usacs Of Colorado Inc's NPI number?

The NPI number for Usacs Of Colorado Inc is 1023644861. It was assigned to this organization in the NPPES registry on March 12, 2020.

Where is Usacs Of Colorado Inc located?

Usacs Of Colorado Inc is located at 2350 Meadows Blvd, Castle Rock, CO 80109. The listed phone number is (330) 493-4443.

What is Usacs Of Colorado Inc's specialty?

The primary specialty registered for this NPI is Emergency Medicine with taxonomy code 207P00000X.

Is Usacs Of Colorado Inc enrolled in Medicare?

Yes. Usacs Of Colorado Inc is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Usacs Of Colorado Inc?

According to the CMS Revalidation Reassignment List (October 2026 release), 466 clinicians in 6 Medicare specialties reassign their Medicare billing to Usacs Of Colorado Inc. 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 Emergency Medicine (412), Nurse Practitioner (36) and Family Practice (9). Of these, 2 practice 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 Usacs Of Colorado Inc was last updated on March 12, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.