MR. ROBERT JOHN FONTANA JR. PA-C
NPI 1225128382
Physician Assistant - Surgical in Alexandria, VA
NPI Status: Active since October 12, 2006
Contact Information
2501 PARKERS LANE
MOUNT VERNON HOSPITAL
ALEXANDRIA, VA
ZIP 22306
Phone: (703) 664-7277
- Individual
- Male
- Physician Assistant
- Surgical
About ROBERT FONTANA
This page provides the complete NPI Profile along with additional information for Robert Fontana, a provider established in Alexandria, Virginia with a medical specialization in Physician Assistant, focusing in surgical . The healthcare provider is registered in the NPI registry with number 1225128382 assigned on October 2006. The practitioner's primary taxonomy code is 363AS0400X with license number 0110840471 (VA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1225128382
- Provider Name
- MR. ROBERT JOHN FONTANA JR. PA-C
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 2501 PARKERS LANE MOUNT VERNON HOSPITAL ALEXANDRIA, VA 22306
- Location Phone
- (703) 664-7277
- Mailing Address
- 11222 SILVERLEAF DRIVE FAIRFAX STATION, VA 22039
- Mailing Phone
- (703) 764-1829
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-12-2006
- Last Update Date
- 07-08-2007
- 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
Physician Assistant Surgical
- Taxonomy Code
- 363AS0400X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- 0110840471
- License State
- VA
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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 1225128382, we treat the final digit (2) 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 58. The final step is to find the difference between that total and the next multiple of ten (60 - 58 = 2).
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 58 is 60. The difference is the calculated check digit.
Other Providers at the Same Location
The following 4 providers are registered at the same or a nearby location.
ALEXANDRIA, VA 22306
ALEXANDRIA, VA 22306
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1225128382, enumerated as an "individual" on October 12, 2006.
The provider is located at 2501 PARKERS LANE MOUNT VERNON HOSPITAL ALEXANDRIA, VA 22306 and the phone number is (703) 664-7277.
Physician Assistant with taxonomy code 363AS0400X and a focus in Surgical.
