MS. CLAUDIA L JOHNSON APN, RNC
NPI 1275887259
Nurse Practitioner - Obstetrics & Gynecology in Dover, DE
NPI Status: Active since October 30, 2012
Contact Information
640 S STATE ST
DOVER, DE
ZIP 19901
Phone: (302) 674-4067
NPPES record last updated: October 30, 2012. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Female
- Nurse Practitioner
- Obstetrics & Gynecology
About CLAUDIA JOHNSON
This page provides the complete NPI Profile along with additional information for Claudia Johnson, a provider established in Dover, Delaware with a medical specialization in Nurse Practitioner, focusing in obstetrics & gynecology . The healthcare provider is registered in the NPI registry with number 1275887259 assigned on October 2012. The practitioner's primary taxonomy code is 363LX0001X with license number LH-0000110 (DE). The provider is registered as an individual and her NPI record was last updated 14 years ago.
- NPI
- 1275887259
- Provider Name
- MS. CLAUDIA L JOHNSON APN, RNC
- Gender
- Female
- Entity Type
- Individual
- Location Address
- 640 S STATE ST DOVER, DE 19901
- Location Phone
- (302) 674-4067
- Mailing Address
- 319 BEECHWOOD AVE DOVER, DE 19901
- Mailing Phone
- (302) 674-4067
- Is Sole Proprietor?
- No
- Enumeration Date
- 10-30-2012
- Last Update Date
- 10-30-2012
- Code Navigator
A nurse practitioner (NP) like Claudia Johnson is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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
Nurse Practitioner Obstetrics & Gynecology
- Taxonomy Code
- 363LX0001X
- Type
- Physician Assistants & Advanced Practice Nursing Providers
- License No.
- LH-0000110
- License State
- DE
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 | 163WM0102X | Nursing Service Providers | Registered Nurse | L10008312 (DE) |
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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 1275887259, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.
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 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 20 providers are registered at the same or a nearby location.
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
DOVER, DE 19901
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1275887259, enumerated as an "individual" on October 30, 2012.
The provider is located at 640 S STATE ST DOVER, DE 19901 and the phone number is (302) 674-4067.
Nurse Practitioner with taxonomy code 363LX0001X and a focus in Obstetrics & Gynecology.
