FOUR CORNERS OB/GYN
NPI 1861503948
Specialist in Durango, CO

NPI Status: Active since August 31, 2006

Contact Information

1 MERCADO ST
SUITE # 105
DURANGO, CO
ZIP 81301
Phone: (970) 382-8800
Fax: (970) 382-0122

NPI Profile Information
Primary Taxonomy
Group Taxonomy
Insurance Plans Accepted
Secondary Locations
Authorized Official
CLIA Information
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Organization
Specialist
Accepts Insurance
CLIA Number: 06D0939918
CLIA Cert. Type: Physician Office
CLIA Exp. Date: 09-19-2026

About FOUR CORNERS OB/GYN

This page provides the complete NPI Profile along with additional information for Four Corners Ob/gyn, a provider established in Durango, Colorado operating as a Specialist. The healthcare provider is registered in the NPI registry with number 1861503948 assigned on August 2006. The practitioner's primary taxonomy code is 174400000X. The provider is registered as an organization and their NPI record was last updated March 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Ruth Olbert (Admin. Assist)

NPI: 1861503948
Provider Name: FOUR CORNERS OB/GYN
Entity Type: Organization
Location Address: 1 MERCADO ST SUITE # 105 DURANGO, CO 81301
Location Phone: (970) 382-8800
Location Fax: (970) 382-0122
Mailing Address: 1 MERCADO ST STE 105 DURANGO, CO 81301
Mailing Phone: (970) 382-8800
Mailing Fax: (970) 382-0122
Is Sole Proprietor?: No
Is Organization Subpart?: No
Enumeration Date: 08-31-2006
Last Update Date: 03-19-2026
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Location Map

Secondary Locations

27B Talisman Dr Unit 3
Pagosa Springs, CO 81147
(970) 382-8800
95 S Pagosa Blvd
Pagosa Springs, CO 81147
(970) 382-8800

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: Specialist
Taxonomy Code: 174400000X
Type: Other Service Providers
License State: CO
Taxonomy Description: An individual educated and trained in an applied knowledge discipline used in the performance of work at a level requiring knowledge and skills beyond or apart from that provided by a general education or liberal arts degree.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Ambetter from Arizona Complete Health

Choice Bronze HSA - HMO
Choice Bronze HSA + Vision + Adult Dental - HMO
Complete Gold - HMO
Complete Gold + Vision + Adult Dental - HMO
Complete Silver - HMO
Complete Silver + Vision + Adult Dental - HMO
Elite Gold - HMO
Elite Gold + Vision + Adult Dental - HMO
Everyday Bronze - HMO
Everyday Bronze + Vision + Adult Dental - HMO
Standard Expanded Bronze - HMO
Standard Expanded Bronze + Vision + Adult Dental - HMO
Standard Gold - HMO
Standard Gold + Vision + Adult Dental - HMO
Standard Silver - HMO
Standard Silver + Vision + Adult Dental - HMO

Ambetter from Superior HealthPlan

Complete Gold - EPO
Complete Gold + Vision + Adult Dental - EPO
Enhanced Diabetes Care Silver with $0 Drug Options - EPO
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - EPO
Everyday Gold - EPO
Everyday Gold + Vision + Adult Dental - EPO
Focused Silver - EPO
Focused Silver + Vision + Adult Dental - EPO
Standard Gold - EPO
Standard Gold + Vision + Adult Dental - EPO
Standard Silver - EPO
Standard Silver + Vision + Adult Dental - EPO

Ambetter of Oklahoma

Elite Bronze - PPO
Elite Bronze + Vision + Adult Dental - PPO
Elite Gold - PPO
Elite Gold + Vision + Adult Dental - PPO
Enhanced Asthma/COPD Care Silver with $0 Drug Options - PPO
Enhanced Asthma/COPD Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
Enhanced Diabetes Care Silver with $0 Drug Options - PPO
Enhanced Diabetes Care Silver with $0 Drug Options + Vision + Adult Dental - PPO
Everyday Bronze - PPO
Everyday Bronze + Vision + Adult Dental - PPO
Everyday Gold - PPO
Everyday Gold + Vision + Adult Dental - PPO
Focused Silver - PPO
Focused Silver + Vision + Adult Dental - PPO
Standard Expanded Bronze - PPO
Standard Expanded Bronze + Vision + Adult Dental - PPO
Standard Gold - PPO
Standard Gold + Vision + Adult Dental - PPO
Standard Silver - PPO
Standard Silver + Vision + Adult Dental - PPO

Medicare

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Medicaid

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

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: RUTH OLBERT
Authorized Official Title: ADMIN. ASSIST
Authorized Official Phone: (970) 382-8800

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier	Type / Code	Identifier State	Identifier Issuer
O4021754	MEDICAID (05)	CO

CLIA Information

The Clinical Laboratory Improvement Amendments (CLIA) of 1988 applies to facilities or sites that test human specimens for health assessment or to diagnose, prevent, or treat disease. The CLIA Program sets standards for clinical laboratory testing and issues certificates. The NPI / CLIA crosswalk information for this NPI number is:

CLIA Number: 06D0939918
Facility Type: Physician Office
Certificate Effective Date: September 20, 2024
Certificate Expiration Date: September 19, 2026
Laboratory Director: DR. JEUNESSE FREDRICKSON
Certificate Type: Certificate for Provider-Performed Microscopy Procedures (PPMP)
Certificate Type Description: This CLIA certificate is issued to Four Corners Ob/gyn in which a physician, midlevel practitioner or dentist that performs specific microscopy procedures during the course of a patient's visit. A limited list of provider-performed microscopy procedures is included under this certificate type, which are categorized as moderate complexity testing.

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 1861503948, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 12 → 1 + 2

Pos 4

Unchanged

Pos 5

Doubled → 10 → 1 + 0

Pos 6

Unchanged

Pos 7

Doubled → 6

Pos 8

Unchanged

Pos 9

Doubled → 8

Check

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 6 → 12 → 3 5 → 10 → 1 3 → 6 4 → 8