JOHN FRANCIS TROMBLY
NPI 1033054366
Radiologic Technologist - Sonography in Denver, CO
NPI Status: Active since April 22, 2026
Contact Information
2045 FRANKLIN ST
DENVER, CO
ZIP 80205
Phone: (303) 764-5467
- Individual
- Male
- Radiologic Technologist
- Sonography
About JOHN TROMBLY
This page provides the complete NPI Profile along with additional information for John Trombly, a provider established in Denver, Colorado with a medical specialization in Radiologic Technologist, focusing in sonography . The healthcare provider is registered in the NPI registry with number 1033054366 assigned on April 2026. The practitioner's primary taxonomy code is 2471S1302X. The provider is registered as an individual and his NPI record was last updated April 2026.
- NPI
- 1033054366
- Provider Name
- JOHN FRANCIS TROMBLY
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2045 FRANKLIN ST DENVER, CO 80205
- Location Phone
- (303) 764-5467
- Mailing Address
- 2045 FRANKLIN ST DENVER, CO 80205
- Mailing Phone
- (303) 764-5467
- Is Sole Proprietor?
- No
- Enumeration Date
- 04-22-2026
- Last Update Date
- 04-22-2026
- 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
Radiologic Technologist Sonography
- Taxonomy Code
- 2471S1302X
- Type
- Technologists, Technicians & Other Technical Service Providers
- Taxonomy Description
- A radiologic technologist who specializes in sonography and is appropriately educated and trained, consistent with nationally recognized standards, state statute, and facility policy in performance of ultrasounds, exam techniques, equipment protocols, radiation safety, and patient care.
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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 1033054366, 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 54. The final step is to find the difference between that total and the next multiple of ten (60 - 54 = 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 54 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.
DENVER, CO 80205
DENVER, CO 80205
DENVER, CO 80205
DENVER, CO 80205
DENVER, CO 80205
DENVER, CO 80205
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1033054366, enumerated as an "individual" on April 22, 2026.
The provider is located at 2045 FRANKLIN ST DENVER, CO 80205 and the phone number is (303) 764-5467.
Radiologic Technologist with taxonomy code 2471S1302X and a focus in Sonography.
