DR. ROBERT ALLEN TARDIF JR. MD
NPI 1760948491
Orthopaedic Surgery in San Diego, CA

NPI Status: Active since February 19, 2019

Contact Information

34800 BOB WILSON DR
SAN DIEGO, CA
ZIP 92134
Phone: (619) 532-5404

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  • Individual
  • Male
  • Orthopaedic Surgery

About ROBERT TARDIF

This page provides the complete NPI Profile along with additional information for Robert Tardif, a provider established in San Diego, California with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1760948491 assigned on February 2019. The practitioner's primary taxonomy code is 207X00000X with license number 0101270235 (VA). The provider is registered as an individual and his NPI record was last updated 2 years ago.

NPI
1760948491
Provider Name
DR. ROBERT ALLEN TARDIF JR. MD
Gender
Male
Entity Type
Individual
Location Address
34800 BOB WILSON DR SAN DIEGO, CA 92134
Location Phone
(619) 532-5404
Mailing Address
34800 BOB WILSON DR DEPARTMENT OF ORTHOPAEDIC SURGERY SAN DIEGO, CA 92134
Is Sole Proprietor?
No
Enumeration Date
02-19-2019
Last Update Date
07-31-2024
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
0101270235
License State
VA
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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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 1760948491, 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 69. The final step is to find the difference between that total and the next multiple of ten (70 - 69 = 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.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
0
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
1
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 6 → 12 → 3 9 → 18 → 9 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 7 + 1 + 2 + 0 + 1 + 8 + 4 + 1 + 6 + 4 + 1 + 8 + 24 = 69

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 69 is 70. The difference is the calculated check digit.

70 - 69 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1760948491.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Registered Nurse (Neonatal Intensive Care)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR, DEPARTMENT OF ANESTHESIOLOGY
SAN DIEGO, CA 92134
General Practice
34800 BOB WILSON DR, NAVAL MEDICAL CENTER SAN DIEGO
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Radiology (Diagnostic Radiology)
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Pediatrics
34800 BOB WILSON DR, NMCSD,ATTN:MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR, PHARMACY DEPARTMENT
SAN DIEGO, CA 92134
Pathology (Blood Banking & Transfusion Medicine)
34800 BOB WILSON DR, NAVAL MEDICAL CENTER
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Internal Medicine (Cardiovascular Disease)
34800 BOB WILSON DR, NMCSD, ATTN : MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Dentist (Dental Public Health)
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Nurse Anesthetist, Certified Registered
34800 BOB WILSON DR
SAN DIEGO, CA 92134
Obstetrics & Gynecology
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Nuclear Medicine (Nuclear Imaging & Therapy)
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Radiology (Diagnostic Radiology)
34800 BOB WILSON DR, DEPARTMENT OF RADIOLOGY
SAN DIEGO, CA 92134
Physical Therapist
34800 BOB WILSON DR, NMCSD, ATTN: MEDICAL STAFF SERVICES
SAN DIEGO, CA 92134
Pharmacist
34800 BOB WILSON DR
SAN DIEGO, CA 92134

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1760948491, enumerated as an "individual" on February 19, 2019.

The provider is located at 34800 BOB WILSON DR SAN DIEGO, CA 92134 and the phone number is (619) 532-5404.

Orthopaedic Surgery with taxonomy code 207X00000X.