GARY A JOHNSON MD
NPI 1083682660
Obstetrics & Gynecology - Gynecologic Oncology in Oklahoma City, OK
NPI Status: Active since March 09, 2006
Contact Information
13308 CEDAR TRL
OKLAHOMA CITY, OK
ZIP 73131
Phone: (719) 651-3868
- Individual
- Male
- Obstetrics & Gynecology
- Gynecologic Oncology
About GARY JOHNSON
This page provides the complete NPI Profile along with additional information for Gary Johnson, a women's health care provider established in Oklahoma City, Oklahoma with a medical specialization in Obstetrics & Gynecology, focusing in gynecologic oncology . The healthcare provider is registered in the NPI registry with number 1083682660 assigned on March 2006. The practitioner's primary taxonomy code is 207VX0201X with license number 036.12058 (IL). The provider is registered as an individual and his NPI record was last updated March 2026.
- NPI
- 1083682660
- Provider Name
- GARY A JOHNSON MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 13308 CEDAR TRL OKLAHOMA CITY, OK 73131
- Location Phone
- (719) 651-3868
- Mailing Address
- 13308 CEDAR TRL OKLAHOMA CITY, OK 73131
- Mailing Phone
- (719) 651-3868
- Is Sole Proprietor?
- No
- Enumeration Date
- 03-09-2006
- Last Update Date
- 03-23-2026
- Code Navigator
Women's health care providers like Gary Johnson treat and diagnose diseases and conditions that affect a woman's physical and emotional health. Women's health professionals come from a variety of different specialties, including obstetrician/gynecologists, general surgeons, perinatologists, physician assistants, nurse practitioners or nurse midwives. A women's health provider might help you with family planning, breast care, pregnancy and child birth, osteoporosis, menopause, heart disease, etc.
Location Map
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
Obstetrics & Gynecology Gynecologic Oncology
- Taxonomy Code
- 207VX0201X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036.12058
- License State
- IL
- Taxonomy Description
- An obstetrician/gynecologist who provides consultation and comprehensive management of patients with gynecologic cancer, including those diagnostic and therapeutic procedures necessary for the total care of the patient with gynecologic cancer and resulting complications.
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 | 207VX0201X | Allopathic & Osteopathic Physicians | Obstetrics & Gynecology | 2012029926 (MO) |
| 2 | 207VX0201X | Allopathic & Osteopathic Physicians | Obstetrics & Gynecology | 04-34519 (KS) |
| 3 | 207VX0201X | Allopathic & Osteopathic Physicians | Obstetrics & Gynecology | 18538 (OK) |
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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 1083682660, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).
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 60 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1083682660, enumerated as an "individual" on March 09, 2006.
The provider is located at 13308 CEDAR TRL OKLAHOMA CITY, OK 73131 and the phone number is (719) 651-3868.
Obstetrics & Gynecology with taxonomy code 207VX0201X and a focus in Gynecologic Oncology.
