DR. KIRK G WILLIAMS II MD
NPI 1689424673
Dermatology in Goodyear, AZ
NPI Status: Active since March 25, 2024
Contact Information
13677 W MCDOWELL RD
GOODYEAR, AZ
ZIP 85395
Phone: (623) 848-5612
- Individual
- Male
- Dermatology
About KIRK WILLIAMS
This page provides the complete NPI Profile along with additional information for Kirk Williams, a provider established in Goodyear, Arizona with a medical specialization in Dermatology. The healthcare provider is registered in the NPI registry with number 1689424673 assigned on March 2024. The practitioner's primary taxonomy code is 207N00000X with license number 77793 (AZ). The provider is registered as an individual and his NPI record was last updated one year ago.
- NPI
- 1689424673
- Provider Name
- DR. KIRK G WILLIAMS II MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 13677 W MCDOWELL RD GOODYEAR, AZ 85395
- Location Phone
- (623) 848-5612
- Mailing Address
- 515 W BUCKEYE RD STE 304 PHOENIX, AZ 85003
- Mailing Phone
- (602) 243-6000
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-25-2024
- Last Update Date
- 10-11-2025
- Code Navigator
A dermatologist like Kirk Williams is a medical specialty involving the management of skin conditions and diseases. Dermatologists diagnose some sexually transmitted diseases, warts, cancer, acne, dermatitis and may offer cosmetic treatments, and therapies that reduce age spots and wrinkles.
Location Map
Secondary Locations
- 4515 S McClintock Dr
Tempe, AZ 85282
(602) 559-5470 - 3210 Grand Ave
Phoenix, AZ 85017
(602) 243-6000 - 11851 N 51st Ave Ste E130
Glendale, AZ 85304
(623) 299-9540 - 10204 W Happy Valley Pkwy Ste 165
Peoria, AZ 85383
(623) 323-6777 - 4801 E McDowell Rd Ste 150
Phoenix, AZ 85008
(602) 954-3919
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
Dermatology
- Taxonomy Code
- 207N00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 77793
- License State
- AZ
- Taxonomy Description
- A dermatologist is trained to diagnose and treat pediatric and adult patients with benign and malignant disorders of the skin, mouth, external genitalia, hair and nails, as well as a number of sexually transmitted diseases. The dermatologist has had additional training and experience in the diagnosis and treatment of skin cancers, melanomas, moles and other tumors of the skin, the management of contact dermatitis and other allergic and nonallergic skin disorders, and in the recognition of the skin manifestations of systemic (including internal malignancy) and infectious diseases. Dermatologists have special training in dermatopathology and in the surgical techniques used in dermatology. They also have expertise in the management of cosmetic disorders of the skin such as hair loss and scars and the skin changes associated with aging.
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) |
|---|---|---|---|---|
| 1 | 207ND0101X | Allopathic & Osteopathic Physicians | Dermatology | 77793 (AZ) |
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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 1689424673, 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 77. The final step is to find the difference between that total and the next multiple of ten (80 - 77 = 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.
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 77 is 80. The difference is the calculated check digit.
Other Providers at the Same Location
The following 19 providers are registered at the same or a nearby location.
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
GOODYEAR, AZ 85395
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1689424673, enumerated as an "individual" on March 25, 2024.
The provider is located at 13677 W MCDOWELL RD GOODYEAR, AZ 85395 and the phone number is (623) 848-5612.
Dermatology with taxonomy code 207N00000X.
