ROBERT VILLARREAL
NPI 1710104609
Orthopaedic Surgery in Providence, RI

NPI Status: Active since April 20, 2007

Contact Information

593 EDDY ST
PROVIDENCE, RI
ZIP 02903
Phone: (401) 444-8450
Fax: (401) 444-5088

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  • Individual
  • Male
  • Orthopaedic Surgery

About ROBERT VILLARREAL

This page provides the complete NPI Profile along with additional information for Robert Villarreal, a provider established in Providence, Rhode Island with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1710104609 assigned on April 2007. The practitioner's primary taxonomy code is 207X00000X with license number LP00040 (RI). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1710104609
Provider Name
ROBERT VILLARREAL
Gender
Male
Entity Type
Individual
Location Address
593 EDDY ST PROVIDENCE, RI 02903
Location Phone
(401) 444-8450
Location Fax
(401) 444-5088
Mailing Address
593 EDDY ST PROVIDENCE, RI 02903
Mailing Phone
(401) 444-8450
Mailing Fax
(401) 444-5088
Is Sole Proprietor?
Yes
Enumeration Date
04-20-2007
Last Update Date
07-08-2007
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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.
LP00040
License State
RI
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 1710104609, 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 51. The final step is to find the difference between that total and the next multiple of ten (60 - 51 = 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.

Pos 1
1
Doubled → 2
Pos 2
7
Unchanged
Pos 3
1
Doubled → 2
Pos 4
0
Unchanged
Pos 5
1
Doubled → 2
Pos 6
0
Unchanged
Pos 7
4
Doubled → 8
Pos 8
6
Unchanged
Pos 9
0
Doubled → 0
Check
9
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 1 → 2 1 → 2 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 2 + 0 + 2 + 0 + 8 + 6 + 0 + 24 = 51

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

The next multiple of ten after 51 is 60. The difference is the calculated check digit.

60 - 51 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1710104609.

Other Providers at the Same Location


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

Pediatrics
593 EDDY ST, HASBRO LL
PROVIDENCE, RI 02903
Pediatrics (Pediatric Hematology-Oncology)
593 EDDY ST, HASBRO LL
PROVIDENCE, RI 02903
Pediatrics (Pediatric Nephrology)
593 EDDY ST, HASBRO 122
PROVIDENCE, RI 02903
Pharmacist (Pharmacotherapy)
593 EDDY ST, PHARMACY SERVICES
PROVIDENCE, RI 02903
Nurse Practitioner
593 EDDY ST, APC 456
PROVIDENCE, RI 02903
Physician Assistant
593 EDDY ST, APC 4
PROVIDENCE, RI 02903
Internal Medicine
593 EDDY ST
PROVIDENCE, RI 02903
Nutritionist
593 EDDY ST, RHODE ISLAND HOSPITAL POB 334
PROVIDENCE, RI 02903
Internal Medicine
593 EDDY ST, POB-224 MED/PEDS CLINIC
PROVIDENCE, RI 02903
Emergency Medicine
593 EDDY ST
PROVIDENCE, RI 02903
Psychiatry & Neurology (Forensic Psychiatry)
593 EDDY ST, RHODE ISLAND HOSPITAL
PROVIDENCE, RI 02903
Internal Medicine (Hematology & Oncology)
593 EDDY ST, APC MAIN
PROVIDENCE, RI 02903
Psychiatry & Neurology (Child & Adolescent Psychiatry)
593 EDDY ST, PHYSICIAN'S OFFICE BLDG., # 122
PROVIDENCE, RI 02903
Marriage & Family Therapist
593 EDDY ST, POTTER 3
PROVIDENCE, RI 02903
Psychologist (Clinical Child & Adolescent)
593 EDDY ST, APC 970
PROVIDENCE, RI 02903
Psychiatry & Neurology (Psychiatry)
593 EDDY ST, POTTER 2
PROVIDENCE, RI 02903
Registered Nurse (Psychiatric/Mental Health, Adult)
593 EDDY ST, MAIN BLDG., ROOM 038
PROVIDENCE, RI 02903
Clinical Neuropsychologist
593 EDDY ST, POB 430
PROVIDENCE, RI 02903
Psychologist (Clinical)
593 EDDY ST, POTTER 3
PROVIDENCE, RI 02903
Pathology (Anatomic Pathology)
593 EDDY ST, RHODE ISLAND HOSPITAL DEPARTMENT OF PATHOLOGY
PROVIDENCE, RI 02903

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1710104609, enumerated as an "individual" on April 20, 2007.

The provider is located at 593 EDDY ST PROVIDENCE, RI 02903 and the phone number is (401) 444-8450.

Orthopaedic Surgery with taxonomy code 207X00000X.