MARFA COUNTRY CLINIC, P.A.
NPI 1528380854
Clinic/Center - Primary Care in Marfa, TX

NPI Status: Active since March 01, 2010

Contact Information

105 EAST OAK STREET
MARFA, TX
ZIP 79843
Phone: (432) 729-3000
Fax: (432) 729-3001

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  • Organization
  • Clinic/Center
  • Primary Care
  • CLIA Number: 45D2004754
  • CLIA Cert. Type: Physician Office
  • CLIA Exp. Date: 03-10-2028

About MARFA COUNTRY CLINIC, P.A.

This page provides the complete NPI Profile along with additional information for Marfa Country Clinic, P.a., a primary care provider established in Marfa, Texas operating as a Clinic/center, focusing in primary care . The healthcare provider is registered in the NPI registry with number 1528380854 assigned on March 2010. The practitioner's primary taxonomy code is 261QP2300X with license number PA02637 (TX). The provider is registered as an organization and their NPI record was last updated 7 years ago. The authorized official of this NPI record is Mrs. Valerie Culbertson (Business Manager)

NPI
1528380854
Provider Name
MARFA COUNTRY CLINIC, P.A.
Entity Type
Organization
Location Address
105 EAST OAK STREET MARFA, TX 79843
Location Phone
(432) 729-3000
Location Fax
(432) 729-3001
Mailing Address
PO BOX 368 MARFA, TX 79843
Mailing Phone
(432) 729-3000
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-01-2010
Last Update Date
03-21-2019
Code Navigator

A primary care provider (PCP) like Marfa Country Clinic, P.a. sees people with common medical problems. The primary care provider might be a doctor, physician assistant, nurse practitioner or clinic that are usually involved in your long-term care. A PCP might provide preventive care, treat common medical conditions, identify urgent medical problems and refer you to specialists when necessary. Primary care is usually provided in an outpatient facility but if you are admitted to a hospital your PCP may assist in your care. The most common medical conditions seen by primary care providers are: hypertension, upper respiratory tract infections, depression or anxiety, back pain, arthritis, dermatitis, diabetes, urinary tract infections, 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

Clinic/Center Primary Care

Taxonomy Code
261QP2300X
Type
Ambulatory Health Care Facilities
License No.
PA02637
License State
TX

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1261QP2300XAmbulatory Health Care Facilities

Clinic/Center
Primary Care

G0083 (TX)

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

MRS. VALERIE CULBERTSON

Authorized Official Title
BUSINESS MANAGER
Authorized Official Phone
(432) 729-3000

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
45D2004754
Facility Type
Physician Office
Certificate Effective Date
March 11, 2026
Certificate Expiration Date
March 10, 2028
Laboratory Director
DONALD CULBERTSON
Certificate Type
Certificate of Waiver
Certificate Type Description
This CLIA certificate is issued to Marfa Country Clinic, P.a. to perform only waived tests. CLIA defines waived tests as simple tests with a low risk for an incorrect result. Waived tests include certain tests listed in CLIA regulations, tests cleared by the FDA for home use and tests approved by the FDA for waived status and that meet CLIA waiver criteria.

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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 1528380854, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 4 + 8 + 6 + 8 + 0 + 8 + 1 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1528380854.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1528380854, enumerated as an "organization" on March 01, 2010.

The provider is located at 105 EAST OAK STREET MARFA, TX 79843 and the phone number is (432) 729-3000.

Clinic/Center with taxonomy code 261QP2300X and a focus in Primary Care.