USACS OBSERVATION MEDICINE SERVICES OF COLORADO INC.
NPI 1659220663
Internal Medicine - Critical Care Medicine in Durango, CO

NPI Status: Active since January 23, 2026

Contact Information

1010 THREE SPRINGS BLVD
DURANGO, CO
ZIP 81301
Phone: (844) 474-4019
Fax: (330) 493-8677

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  • Organization
  • Internal Medicine
  • Critical Care Medicine

About USACS OBSERVATION MEDICINE SERVICES OF COLORADO INC.

This page provides the complete NPI Profile along with additional information for Usacs Observation Medicine Services Of Colorado Inc., an internist established in Durango, Colorado operating as a Internal Medicine, focusing in critical care medicine . The healthcare provider is registered in the NPI registry with number 1659220663 assigned on January 2026. The practitioner's primary taxonomy code is 207RC0200X. The provider is registered as an organization and their NPI record was last updated January 2026. Usacs Observation Medicine Services Of Colorado Inc. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Jennifer Chastain (Director Of Provider Enrollment)

NPI
1659220663
Provider Name
USACS OBSERVATION MEDICINE SERVICES OF COLORADO INC.
Entity Type
Organization
Location Address
1010 THREE SPRINGS BLVD DURANGO, CO 81301
Location Phone
(844) 474-4019
Location Fax
(330) 493-8677
Mailing Address
4535 DRESSLER RD NW CANTON, OH 44718
Mailing Phone
(844) 474-4019
Mailing Fax
(330) 493-8677
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-23-2026
Last Update Date
01-23-2026
Code Navigator

An internist like Usacs Observation Medicine Services Of Colorado Inc. is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, etc.

Location Map

Specialty - Primary Taxonomy

The NPI enumerator requires providers to submit at least one taxonomy code. A taxonomy code is a unique 10-character code that describes the healthcare provider type, classification, and the area of specialization. There could be only one primary taxonomy code per NPI record. For individual NPIs the license data is associated to the taxonomy code.

Classification

Internal Medicine Critical Care Medicine

Taxonomy Code
207RC0200X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
An internist who diagnoses, treats and supports patients with multiple organ dysfunction. This specialist may have administrative responsibilities for intensive care units and may also facilitate and coordinate patient care among the primary physician, the critical care staff and other specialists.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

JENNIFER CHASTAIN

Authorized Official Title
DIRECTOR OF PROVIDER ENROLLMENT
Authorized Official Phone
(330) 493-4443

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NPI NPI Number Validation

How NPI Validation Works

The NPI validation process uses the ISO-standard Luhn algorithm, a mathematical "handshake", to ensure that a provider's 10-digit ID is authentic and free of common typing errors.

To verify the NPI 1659220663, we treat the final digit (3) as the Check Digit—the target answer we need to reach. The process begins by taking the first nine digits and adding a constant value of 24, which accounts for the "80840" prefix required for all U.S. health identifiers. We then double every other digit starting from the right and sum the individual digits of those results together. For this specific NPI, that total comes to 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 3).

Digit-by-digit view

Use the first nine digits for the calculation. Starting from the right, double every other digit. The last digit is the check digit and is not part of the calculation.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
2
Doubled → 4
Pos 6
2
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
Unchanged
Pos 9
6
Doubled → 12 → 1 + 2
Check
3
Target digit
Regular digit Doubled digit Check digit

Step 1: Double every other digit from the right

Starting with the rightmost digit of the first nine digits, double every other value. If doubling creates a two-digit number, add those digits together.

1 → 2 5 → 10 → 1 2 → 4 0 → 0 6 → 12 → 3

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 6 + 1 + 0 + 9 + 4 + 2 + 0 + 6 + 1 + 2 + 24 = 57

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1659220663.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Family)
1010 THREE SPRINGS BLVD, STE 110
DURANGO, CO 81301
Internal Medicine (Critical Care Medicine)
1010 THREE SPRINGS BLVD, STE 110
DURANGO, CO 81301
Internal Medicine (Nephrology)
1010 THREE SPRINGS BLVD, STE 255
DURANGO, CO 81301
Anesthesiology
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Hospitalist
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Internal Medicine (Critical Care Medicine)
1010 THREE SPRINGS BLVD, STE 110
DURANGO, CO 81301
Internal Medicine (Nephrology)
1010 THREE SPRINGS BLVD, STE 255
DURANGO, CO 81301
Internal Medicine (Infectious Disease)
1010 THREE SPRINGS BLVD, STE 245
DURANGO, CO 81301
Internal Medicine (Pulmonary Disease)
1010 THREE SPRINGS BLVD, STE 110
DURANGO, CO 81301
Internal Medicine (Infectious Disease)
1010 THREE SPRINGS BLVD, SUITE 245
DURANGO, CO 81301
Internal Medicine (Nephrology)
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Internal Medicine (Critical Care Medicine)
1010 THREE SPRINGS BLVD, SUITE 110
DURANGO, CO 81301
Hospitalist
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Nurse Practitioner (Family)
1010 THREE SPRINGS BLVD, DURANGO NEPHROLOGY ASSOCIATES
DURANGO, CO 81301
Dietitian, Registered
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Emergency Medicine
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Anesthesiology
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Emergency Medicine (Emergency Medical Services)
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Emergency Medicine (Emergency Medical Services)
1010 THREE SPRINGS BLVD
DURANGO, CO 81301
Dietitian, Registered
1010 THREE SPRINGS BLVD
DURANGO, CO 81301

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659220663, enumerated as an "organization" on January 23, 2026.

The provider is located at 1010 THREE SPRINGS BLVD DURANGO, CO 81301 and the phone number is (844) 474-4019.

Internal Medicine with taxonomy code 207RC0200X and a focus in Critical Care Medicine.