JOHN JOSEPH O'SHEA JR. MD
NPI 1841979861
Allergy & Immunology in Bethesda, MD
NPI Status: Active since July 17, 2023
Contact Information
BLDG 10 ROOM 13C103C 10 CENTER DRIVE NIH
BETHESDA, MD
ZIP 20892
Phone: (301) 412-3623
- Individual
- Male
- Allergy & Immunology
About JOHN O'SHEA
This page provides the complete NPI Profile along with additional information for John O'shea, a provider established in Bethesda, Maryland with a medical specialization in Allergy & Immunology. The healthcare provider is registered in the NPI registry with number 1841979861 assigned on July 2023. The practitioner's primary taxonomy code is 207K00000X with license number D0039287 (MD). The provider is registered as an individual and his NPI record was last updated 3 years ago.
- NPI
- 1841979861
- Provider Name
- JOHN JOSEPH O'SHEA JR. MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- BLDG 10 ROOM 13C103C 10 CENTER DRIVE NIH BETHESDA, MD 20892
- Location Phone
- (301) 412-3623
- Mailing Address
- BLDG 10 ROOM 13C103C 10 CENTER DRIVE NIH BETHESDA, MD 20892
- Mailing Phone
- (301) 412-3623
- Is Sole Proprietor?
- No
- Enumeration Date
- 07-17-2023
- Last Update Date
- 07-17-2023
- Code Navigator
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
Allergy & Immunology
- Taxonomy Code
- 207K00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- D0039287
- License State
- MD
- Taxonomy Description
- An allergist-immunologist is trained in evaluation, physical and laboratory diagnosis, and management of disorders involving the immune system. Selected examples of such conditions include asthma, anaphylaxis, rhinitis, eczema, and adverse reactions to drugs, foods, and insect stings as well as immune deficiency diseases (both acquired and congenital), defects in host defense, and problems related to autoimmune disease, organ transplantation, or malignancies of the immune system.
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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 1841979861, we treat the final digit (1) 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 79. The final step is to find the difference between that total and the next multiple of ten (80 - 79 = 1).
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 79 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1841979861, enumerated as an "individual" on July 17, 2023.
The provider is located at BLDG 10 ROOM 13C103C 10 CENTER DRIVE NIH BETHESDA, MD 20892 and the phone number is (301) 412-3623.
Allergy & Immunology with taxonomy code 207K00000X.
