ROBERT BRUCE TROSS MD
NPI 1982774279
Surgery - Surgery of the Hand in Madison, CT
NPI Status: Active since November 08, 2006
Contact Information
149 DURHAM ROAD
SUITE 25
MADISON, CT
ZIP 06443
Phone: (203) 318-3050
Fax: (203) 318-3048
- Individual
- Male
- Surgery
- Surgery of the Hand
About ROBERT TROSS
This page provides the complete NPI Profile along with additional information for Robert Tross, a provider established in Madison, Connecticut with a medical specialization in Surgery, focusing in surgery of the hand . The healthcare provider is registered in the NPI registry with number 1982774279 assigned on November 2006. The practitioner's primary taxonomy code is 2086S0105X with license number 022611 (CT). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1982774279
- Provider Name
- ROBERT BRUCE TROSS MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 149 DURHAM ROAD SUITE 25 MADISON, CT 06443
- Location Phone
- (203) 318-3050
- Location Fax
- (203) 318-3048
- Mailing Address
- 149 DURHAM ROAD SUITE 25 MADISON, CT 06443
- Mailing Phone
- (203) 318-3050
- Mailing Fax
- (203) 318-3048
- Is Sole Proprietor?
- No
- Enumeration Date
- 11-08-2006
- Last Update Date
- 09-11-2025
- 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
Surgery Surgery of the Hand
- Taxonomy Code
- 2086S0105X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 022611
- License State
- CT
- Taxonomy Description
- A surgeon with expertise in the investigation, preservation and restoration by medical, surgical and rehabilitative means, of all structures of the upper extremity directly affecting the form and function of the hand and wrist.
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) |
|---|---|---|---|---|
| 1 | 2086S0122X | Allopathic & Osteopathic Physicians | Surgery | 022611 (CT) |
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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 1982774279, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 1 provider is registered at the same or a nearby location.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1982774279, enumerated as an "individual" on November 08, 2006.
The provider is located at 149 DURHAM ROAD SUITE 25 MADISON, CT 06443 and the phone number is (203) 318-3050.
Surgery with taxonomy code 2086S0105X and a focus in Surgery of the Hand.
