ATIS MUEHLENBACHS MD PHD
NPI 1376707331
Pathology - Clinical Pathology/Laboratory Medicine in Grand Junction, CO
NPI Status: Active since July 17, 2008
Contact Information
2121 NORTH AVE
GRAND JUNCTION, CO
ZIP 81501
Phone: (970) 242-0731
Some details in this NPI profile have been updated in the NPI registry within the last 30 days.
NPPES record last updated: July 6, 2026. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Pathology
- Clinical Pathology/Laboratory Medicine
About ATIS MUEHLENBACHS
This page provides the complete NPI Profile along with additional information for Atis Muehlenbachs, a provider established in Grand Junction, Colorado with a medical specialization in Pathology, focusing in clinical pathology/laboratory medicine . The healthcare provider is registered in the NPI registry with number 1376707331 assigned on July 2008. The practitioner's primary taxonomy code is 207ZP0105X with license number MD60230363 (WA). The provider is registered as an individual and his NPI record was last updated July 2026.
- NPI
- 1376707331
- Provider Name
- ATIS MUEHLENBACHS MD PHD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2121 NORTH AVE GRAND JUNCTION, CO 81501
- Location Phone
- (970) 242-0731
- Mailing Address
- 2121 NORTH AVE GRAND JUNCTION, CO 81501
- Mailing Phone
- (970) 242-0731
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-17-2008
- Last Update Date
- 07-06-2026
- Code Navigator
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
Pathology Clinical Pathology/Laboratory Medicine
- Taxonomy Code
- 207ZP0105X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD60230363
- License State
- WA
- Taxonomy Description
- A pathologist deals with the causes and nature of disease and contributes to diagnosis, prognosis and treatment through knowledge gained by the laboratory application of the biologic, chemical and physical sciences. A pathologist uses information gathered from the microscopic examination of tissue specimens, cells and body fluids, and from clinical laboratory tests on body fluids and secretions for the diagnosis, exclusion and monitoring of disease.
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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 1376707331, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 59 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
GRAND JUNCTION, CO 81501
GRAND JUNCTION, CO 81501
GRAND JUNCTION, CO 81501
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1376707331, enumerated as an "individual" on July 17, 2008.
The provider is located at 2121 NORTH AVE GRAND JUNCTION, CO 81501 and the phone number is (970) 242-0731.
Pathology with taxonomy code 207ZP0105X and a focus in Clinical Pathology/Laboratory Medicine.
