USACS OBSERVATION MEDICINE SERVICES OF COLORADO, INC
NPI 1689416059
Emergency Medicine in Golden, CO

Q: 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.

Active since June 07, 2024

12911 W 40TH AVE, GOLDEN, CO 80401(844) 474-4019 Get Directions Write a Review

NPPES record last updated: June 19, 2024. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Jun 19, 2024, Jun 7, 2024 (2 updates tracked since 2024).

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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 1689416059) is a healthcare organization registered as an emergency medicine in Golden, Colorado and active in the NPI registry since June 2024. The organization lists Melissa Reese, Director Of Provider Enrollment, as its authorized official.

NPPES Registry Identity

NPI1689416059

Entity TypeOrganization

Primary Taxonomy207P00000X

Legal Business NameUSACS OBSERVATION MEDICINE SERVICES OF COLORADO, INC

Location Address12911 W 40TH AVEGolden, CO 80401-2696

Mailing Address4535 Dressler Rd NwCanton, OH 44718-2545

Phone(844) 474-4019

Organization SubpartNo

Authorized OfficialMelissa ReeseDirector Of Provider Enrollment · (330) 493-4443

Enumeration DateJune 7, 2024

Last NPPES UpdateJune 19, 20242 updates tracked since enumeration

NPPES CertifiedJune 19, 2024

✔ NPI 1689416059 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.

12911 W 40TH AVE, Golden, CO 80401

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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, 48 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

Ryan Long, MD

Emergency Medicine

NPI 1801417605

12911 W 40TH AVENUE
Wheat Ridge, CO 80401

(303) 425-4500

✔ PECOS✔ Accepts Medicare0.1 mi

Christopher Pergrem, M.D.

Emergency Medicine

NPI 1336126408

12911 W 40TH AVE
Golden, CO 80401

(303) 425-4500

✔ PECOS✔ Accepts Medicare0.1 mi

Jason Bellows, MD

Emergency Medicine

NPI 1952386757

8300 W 38TH AVE DEPARTMENT OF EMERGENCY MEDICINE
Wheat Ridge, CO 80033

(303) 467-4812

✔ PECOS✔ Accepts Medicare3.0 mi

Nathan Karber, M.D.

Emergency Medicine

NPI 1831317718

8300 WEST 38TH AVE E.S.P. - EXEMPLA LUTHERAN MEDICAL CENTER
Wheat Ridge, CO 80033

(303) 425-4500

✔ PECOS3.0 mi

David Leventhal, MD

Emergency Medicine

NPI 1801154323

8300 W 38TH AVE
Wheat Ridge, CO 80033

(303) 425-4500

✔ PECOS3.0 mi

Danielle Prunty, MD

Emergency Medicine

NPI 1659384048

8300 W 38TH AVE
Wheat Ridge, CO 80033

(303) 425-2087

✔ PECOS3.0 mi

Kelsey Spaur, MD

Emergency Medicine

NPI 1477116317

8300 W 38TH AVE
Wheat Ridge, CO 80033

(303) 425-4500

✔ PECOS✔ Accepts Medicare3.0 mi

Sarah Flynn, M.D.

Emergency Medicine

NPI 1831309616

16320 W 64TH AVE
Arvada, CO 80007

(303) 925-4560

✔ PECOS✔ Accepts Medicare3.5 mi

Marci Edford, FNP-C

Nurse Practitioner

NPI 1902353402

7495 W 29TH AVE
Wheat Ridge, CO 80033

(303) 360-6276

✔ PECOS✔ Accepts Medicare3.5 mi

Rebecca Maxwell, CNP

Nurse Practitioner

NPI 1235757238

274 UNION BLVD STE 110
Lakewood, CO 80228

(303) 951-0609

✔ PECOS✔ Accepts Medicare3.6 mi

Anna Dygas-Holz, AGPCNP-BC

Nurse Practitioner

NPI 1316629181

255 UNION BLVD STE 360
Lakewood, CO 80228

(303) 237-2779

✔ PECOS✔ Accepts Medicare3.6 mi

Sean Bender, MD

Emergency Medicine

NPI 1508806753

11600 W 2ND PL
Lakewood, CO 80228

(720) 321-4161

✔ PECOS✔ Accepts Medicare3.8 mi

Scott Branney, MD

Emergency Medicine

NPI 1821061128

11600 W 2ND PL
Lakewood, CO 80228

(720) 321-4161

✔ PECOS✔ Accepts Medicare3.8 mi

Michael Brunko, MD

Emergency Medicine

NPI 1801869003

11600 W 2ND PL ST. ANTHONY HOSPITAL, EMERGENCY DEPT.
Lakewood, CO 80228

(720) 321-4161

✔ PECOS3.8 mi

Marc Doucette, MD

Emergency Medicine

NPI 1932172038

11600 W 2ND PL ST. ANTHONY HOSPITAL EMERGENCY DEPARTMENT
Lakewood, CO 80228

(303) 202-1280

✔ PECOS✔ Accepts Medicare3.8 mi

Darcee Fisher, MD

Emergency Medicine

NPI 1164495370

11600 W 2ND PL ST. ANTHONY HOSPITAL, EMERGENCY DEPT.
Lakewood, CO 80228

(720) 321-4161

✔ PECOS✔ Accepts Medicare3.8 mi

Garyfallos Garyfallou, MD

Emergency Medicine

NPI 1962475194

11600 W 2ND PL ST. ANTHONY HOSPITAL, EMERGENCY DEPT.
Lakewood, CO 80228

(720) 321-4161

✔ PECOS✔ Accepts Medicare3.8 mi

Emai Ho, DO

Emergency Medicine

NPI 1992778120

11600 W 2ND PL ST. ANTHONY HOSPITAL, EMERGENCY DEPT.
Lakewood, CO 80228

(720) 321-4161

✔ PECOS✔ Accepts Medicare3.8 mi

Shirley Kung, M.D.

Emergency Medicine

NPI 1942286349

11600 W 2ND PL
Lakewood, CO 80228

(303) 202-1280

✔ PECOS✔ Accepts Medicare3.8 mi

Michael Miller

Emergency Medicine

NPI 1528385275

11600 W 2ND PL
Lakewood, CO 80228

(303) 202-1280

✔ PECOS✔ Accepts Medicare3.8 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 1689416059. It was assigned to this organization in the NPPES registry on June 7, 2024.

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

Usacs Observation Medicine Services Of Colorado, Inc is located at 12911 W 40th Ave, Golden, CO 80401. The listed phone number is (844) 474-4019.

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, 48 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 June 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.