JOSEPH A LONGO III, MD PC
NPI 1912046152
Orthopaedic Surgery - Orthopaedic Trauma in Scottsdale, AZ

NPI Status: Active since February 05, 2007

Contact Information

3300 N 75TH ST
SCOTTSDALE, AZ
ZIP 85251
Phone: (480) 941-5656
Fax: (480) 990-2015

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  • Organization
  • Orthopaedic Surgery
  • Orthopaedic Trauma

About JOSEPH A LONGO III, MD PC

This page provides the complete NPI Profile along with additional information for Joseph A Longo Iii, Md Pc, a provider established in Scottsdale, Arizona operating as a Orthopaedic Surgery, focusing in orthopaedic trauma . The healthcare provider is registered in the NPI registry with number 1912046152 assigned on February 2007. The practitioner's primary taxonomy code is 207XX0801X with license number 18636 (AZ). The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Joseph A Longo Iii Md (Owner)

NPI
1912046152
Provider Name
JOSEPH A LONGO III, MD PC
Entity Type
Organization
Location Address
3300 N 75TH ST SCOTTSDALE, AZ 85251
Location Phone
(480) 941-5656
Location Fax
(480) 990-2015
Mailing Address
3300 N 75TH ST SCOTTSDALE, AZ 85251
Mailing Phone
(480) 941-5656
Mailing Fax
(480) 990-2015
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
02-05-2007
Last Update Date
09-11-2025
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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 Orthopaedic Trauma

Taxonomy Code
207XX0801X
Type
Allopathic & Osteopathic Physicians
License No.
18636
License State
AZ
Taxonomy Description
Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic trauma surgeons deal with the evaluation and management of acute orthopaedic injuries, evaluation and treatment of post-traumatic deformities and nonunions, acute and delayed reconstruction of pelvic and acetabular fractures, as well as osteotomy in the adult hip for treatment of hip arthritis.

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)
1207X00000XAllopathic & Osteopathic Physicians

Orthopaedic Surgery

18636 (AZ)
2207XP3100XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Pediatric Orthopaedic Surgery

18636 (AZ)
3207XS0106XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Hand Surgery

18636 (AZ)
4207XS0114XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Adult Reconstructive Orthopaedic Surgery

18636 (AZ)
5207XX0004XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Foot and Ankle Surgery

18636 (AZ)
6207XX0005XAllopathic & Osteopathic Physicians

Orthopaedic Surgery
Sports Medicine

18636 (AZ)

Group Taxonomy 193400000X MULTIPLE SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. JOSEPH A LONGO III MD

Authorized Official Title
OWNER
Authorized Official Phone
(480) 941-5656

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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 1912046152, 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 48. The final step is to find the difference between that total and the next multiple of ten (50 - 48 = 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.

Pos 1
1
Doubled → 2
Pos 2
9
Unchanged
Pos 3
1
Doubled → 2
Pos 4
2
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
2
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 0 → 0 6 → 12 → 3 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 2 + 2 + 0 + 4 + 1 + 2 + 1 + 1 + 0 + 24 = 48

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

The next multiple of ten after 48 is 50. The difference is the calculated check digit.

50 - 48 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1912046152.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Registered Nurse (Registered Nurse First Assistant)
3300 N 75TH ST, SUITE B
SCOTTSDALE, AZ 85251
Clinic/Center (Ambulatory Surgical)
3300 N 75TH ST
SCOTTSDALE, AZ 85251
Physician Assistant (Surgical)
3300 N 75TH ST
SCOTTSDALE, AZ 85251
Orthopaedic Surgery (Orthopaedic Trauma)
3300 N 75TH ST
SCOTTSDALE, AZ 85251

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1912046152, enumerated as an "organization" on February 05, 2007.

The provider is located at 3300 N 75TH ST SCOTTSDALE, AZ 85251 and the phone number is (480) 941-5656.

Orthopaedic Surgery with taxonomy code 207XX0801X and a focus in Orthopaedic Trauma.