ASHLEY L. HOWARTH, MD PLASTIC SURGERY PLLC
NPI 1740818673
Plastic Surgery in Scottsdale, AZ

NPI Status: Active since March 27, 2020

Contact Information

7373 N SCOTTSDALE RD STE C150
SCOTTSDALE, AZ
ZIP 85253
Phone: (480) 535-5021
Fax: (480) 576-9339

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  • Organization
  • Plastic Surgery

About ASHLEY L. HOWARTH, MD PLASTIC SURGERY PLLC

This page provides the complete NPI Profile along with additional information for Ashley L. Howarth, Md Plastic Surgery Pllc, a provider established in Scottsdale, Arizona operating as a Plastic Surgery. The healthcare provider is registered in the NPI registry with number 1740818673 assigned on March 2020. The practitioner's primary taxonomy code is 208200000X. The provider is registered as an organization and their NPI record was last updated February 2026. 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. Ashley Lynn Howarth Md (Member)

NPI
1740818673
Provider Name
ASHLEY L. HOWARTH, MD PLASTIC SURGERY PLLC
Entity Type
Organization
Location Address
7373 N SCOTTSDALE RD STE C150 SCOTTSDALE, AZ 85253
Location Phone
(480) 535-5021
Location Fax
(480) 576-9339
Mailing Address
7373 N SCOTTSDALE RD STE C150 SCOTTSDALE, AZ 85253
Mailing Phone
(480) 535-5021
Mailing Fax
(480) 576-9339
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-27-2020
Last Update Date
02-26-2026
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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

Plastic Surgery

Taxonomy Code
208200000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A plastic surgeon deals with the repair, reconstruction or replacement of physical defects of form or function involving the skin, musculoskeletal system, craniomaxillofacial structures, hand, extremities, breast and trunk and external genitalia or cosmetic enhancement of these areas of the body. Cosmetic surgery is an essential component of plastic surgery. The plastic surgeon uses cosmetic surgical principles to both improve overall appearance and to optimize the outcome of reconstructive procedures. The surgeon uses aesthetic surgical principles not only to improve undesirable qualities of normal structures but in all reconstructive procedures as well.

Group Taxonomy 193400000X 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. ASHLEY LYNN HOWARTH MD

Authorized Official Title
MEMBER
Authorized Official Phone
(480) 535-5021

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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 1740818673, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
4
Doubled → 8
Pos 4
0
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
1
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
6
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
3
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 4 → 8 8 → 16 → 7 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 8 + 0 + 1 + 6 + 1 + 1 + 6 + 6 + 1 + 4 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1740818673.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Surgery (Plastic and Reconstructive Surgery)
7373 N SCOTTSDALE RD STE C150
SCOTTSDALE, AZ 85253

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1740818673, enumerated as an "organization" on March 27, 2020.

The provider is located at 7373 N SCOTTSDALE RD STE C150 SCOTTSDALE, AZ 85253 and the phone number is (480) 535-5021.

Plastic Surgery with taxonomy code 208200000X.