1. Home
  2. Directory
  3. Colorado
  4. Springs
  5. Emergency Medicine
  6. NPI Profile

USACS OBSERVATION MEDICINE SERVICES OF COLORADO INC.
NPI 1225999766
Emergency Medicine in Colorado Springs, CO

Active since November 24, 2025
10860 NEW ALLEGIANCE DR, COLORADO SPRINGS, CO 80921(719) 757-7000 Get Directions Write a Review

NPPES record last updated: November 24, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

About Usacs Observation Medicine Services Of Colorado Inc. NPPES

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

USACS OBSERVATION MEDICINE SERVICES OF COLORADO INC. (NPI 1225999766) is a healthcare organization registered as an emergency medicine in Colorado Springs, Colorado and active in the NPI registry since November 2025. The organization lists Jennifer Chastain, Director Of Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1225999766
Entity TypeOrganization
Primary Taxonomy207P00000X
Legal Business NameUSACS OBSERVATION MEDICINE SERVICES OF COLORADO INC.
Location Address10860 NEW ALLEGIANCE DRColorado Springs, CO 80921-3794
Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545 · (330) 493-4443 · Fax (330) 493-8677
Phone(719) 757-7000
Organization SubpartNo
Authorized OfficialJennifer ChastainDirector Of Provider Enrollment · (330) 994-4430
Enumeration DateNovember 24, 2025
NPPES CertifiedNovember 24, 2025
✔ NPI 1225999766 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.
10860 NEW ALLEGIANCE DR, Colorado Springs, CO 80921
Open in Google Maps ↗

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)

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

Clinicians Billing Medicare Through This Organization

282

Medicare enrollment records show 282 clinicians reassign Medicare billing to Usacs Observation Medicine Services Of Colorado Inc., which bills Medicare for the services they deliver. Of these, 35 practice within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 9

Emergency Medicine209
Nurse Practitioner28
Internal Medicine22
Pulmonary Disease11
Critical Care (Intensivists)5
Family Practice3
General Surgery2
Neurology1
1 other specialty1

Nearest to this location (20)

See all 282
Danielle Castagneri, MD
Emergency Medicine
NPI 1992324859
6001 E WOODMEN RD
Colorado Springs, CO 80923
(719) 776-5000
✔ PECOS5.9 mi
Jared Berger, MD
Emergency Medicine
NPI 1902548167
6001 E WOODMEN RD
Colorado Springs, CO 80923
(719) 571-5000
✔ PECOS6.1 mi
Daniel Horne, DO
Emergency Medicine
NPI 1356081509
6001 E WOODMEN RD
Colorado Springs, CO 80923
(719) 776-5000
✔ PECOS6.1 mi
Devin Morris, MD
Emergency Medicine
NPI 1265174890
6001 E WOODMEN RD
Colorado Springs, CO 80923
(719) 571-5000
✔ PECOS✔ Accepts Medicare6.1 mi
Travis Krull
Nurse Practitioner
NPI 1750058251
6884 SUMMER GRACE ST
Colorado Springs, CO 80923
(719) 651-1261
✔ PECOS7.6 mi
Justine Summers, ARNP
Nurse Practitioner
NPI 1851776447
2960 N CIRCLE DR STE 200
Colorado Springs, CO 80909
(719) 634-8891
✔ PECOS✔ Accepts Medicare8.1 mi
Rachel Black, DO
Pulmonary Disease
NPI 1003276528
2222 N NEVADA AVE STE 4004
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Julia Campbell, DO
Emergency Medicine
NPI 1588304398
2222 N NEVADA AVE
Colorado Springs, CO 80907
(719) 776-5000
✔ PECOS8.5 mi
Benjamin Coleman, MD
Emergency Medicine
NPI 1770226136
2222 N NEVADA AVE
Colorado Springs, CO 80907
(719) 776-5333
✔ PECOS8.5 mi
Matthew Merriman, MD
Emergency Medicine
NPI 1528485844
2222 N NEVADA AVE
Colorado Springs, CO 80907
(855) 687-0618
✔ PECOS8.5 mi
Barbara Chamness, FNP-C
Nurse Practitioner
NPI 1366951972
2312 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Dheeraj Dhotre, M.D.
Pulmonary Disease
NPI 1508046368
2312 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Akhilesh Mahajan, MD
Pulmonary Disease
NPI 1982158119
2312 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Nona Patton, AGACNP
Nurse Practitioner
NPI 1619698362
2312 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Yogesh Shrestha, MD
Pulmonary Disease
NPI 1750582656
2312 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Corinne Young, FNP-C
Nurse Practitioner
NPI 1578581021
2312 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.5 mi
Amanda Erjavec, AGACNP-BC
Nurse Practitioner
NPI 1942885793
2222 N NEVADA AVE STE 5017
Colorado Springs, CO 80907
(719) 635-2501
✔ PECOS✔ Accepts Medicare8.5 mi
Kara Zabelny
Internal Medicine
NPI 1962897876
2222 N NEVADA AVE STE 4004
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.6 mi
Timothy Bedient, M.D.
Pulmonary Disease
NPI 1851417364
2132 N NEVADA AVE STE 305
Colorado Springs, CO 80907
(719) 471-7064
✔ PECOS✔ Accepts Medicare8.6 mi
William Stone, DO
Neurology
NPI 1023322039
1715 N WEBER ST SUITE 120
Colorado Springs, CO 80907
(719) 722-4929
✔ PECOS✔ Accepts Medicare9.0 mi
See all 282 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 Observation Medicine Services Of Colorado Inc.'s NPI number?

The NPI number for Usacs Observation Medicine Services Of Colorado Inc. is 1225999766. It was assigned to this organization in the NPPES registry on November 24, 2025.

Where is Usacs Observation Medicine Services Of Colorado Inc. located?

Usacs Observation Medicine Services Of Colorado Inc. is located at 10860 New Allegiance Dr, Colorado Springs, CO 80921. The listed phone number is (719) 757-7000.

What is Usacs Observation Medicine Services Of Colorado Inc.'s specialty?

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

Is Usacs Observation Medicine Services Of Colorado Inc. enrolled in Medicare?

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

How many clinicians bill Medicare through Usacs Observation Medicine Services Of Colorado Inc.?

According to the CMS Revalidation Reassignment List (October 2026 release), 282 clinicians in 9 Medicare specialties reassign their Medicare billing to Usacs Observation Medicine Services 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 (209), Nurse Practitioner (28) and Internal Medicine (22). Of these, 35 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 Observation Medicine Services Of Colorado Inc. was last updated on November 24, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.