MICHAEL FRANK ARNALL MD
NPI 1477496446
Pathology - Forensic Pathology in Bayfield, CO
NPI Status: Active since April 13, 2026
Contact Information
260 PINE RIVER RANCH CIR
BAYFIELD, CO
ZIP 81122
Phone: (303) 945-9890
- Individual
- Male
- Pathology
- Forensic Pathology
About MICHAEL ARNALL
This page provides the complete NPI Profile along with additional information for Michael Arnall, a provider established in Bayfield, Colorado with a medical specialization in Pathology, focusing in forensic pathology . The healthcare provider is registered in the NPI registry with number 1477496446 assigned on April 2026. The practitioner's primary taxonomy code is 207ZF0201X with license number 0027368 (CO). The provider is registered as an individual and his NPI record was last updated April 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.
- NPI
- 1477496446
- Provider Name
- MICHAEL FRANK ARNALL MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 260 PINE RIVER RANCH CIR BAYFIELD, CO 81122
- Location Phone
- (303) 945-9890
- Mailing Address
- 260 PINE RIVER RANCH CIR BAYFIELD, CO 81122
- Mailing Phone
- (303) 945-9890
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 04-13-2026
- Last Update Date
- 04-13-2026
- 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 Forensic Pathology
- Taxonomy Code
- 207ZF0201X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 0027368
- License State
- CO
- Taxonomy Description
- A forensic pathologist is expert in investigating and evaluating cases of sudden, unexpected, suspicious and violent death as well as other specific classes of death defined by law. The forensic pathologist serves the public as coroner or medical examiner, or by performing medicolegal autopsies for such officials.
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.
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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 1477496446, we treat the final digit (6) 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 74. The final step is to find the difference between that total and the next multiple of ten (80 - 74 = 6).
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 74 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1477496446, enumerated as an "individual" on April 13, 2026.
The provider is located at 260 PINE RIVER RANCH CIR BAYFIELD, CO 81122 and the phone number is (303) 945-9890.
Pathology with taxonomy code 207ZF0201X and a focus in Forensic Pathology.
