ALAN MARK JOHNSON MD
NPI 1679685440
Pediatrics - Pediatric Emergency Medicine in Oakland, CA
NPI Status: Active since August 31, 2006
Contact Information
747 52ND STREET
EMERGENCY MEDICINE
OAKLAND, CA
ZIP 94609
Phone: (510) 428-3259
Fax: (510) 450-5836
- Individual
- Male
- Pediatrics
- Pediatric Emergency Medicine
About ALAN JOHNSON
This page provides the complete NPI Profile along with additional information for Alan Johnson, a pediatrician established in Oakland, California with a medical specialization in Pediatrics, focusing in pediatric emergency medicine . The healthcare provider is registered in the NPI registry with number 1679685440 assigned on August 2006. The practitioner's primary taxonomy code is 2080P0204X with license number G87257 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1679685440
- Provider Name
- ALAN MARK JOHNSON MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 747 52ND STREET EMERGENCY MEDICINE OAKLAND, CA 94609
- Location Phone
- (510) 428-3259
- Location Fax
- (510) 450-5836
- Mailing Address
- 747 52ND STREET OAKLAND, CA 94609
- Mailing Phone
- (510) 428-3259
- Mailing Fax
- (510) 450-5836
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-31-2006
- Last Update Date
- 07-08-2007
- Code Navigator
A pediatrician like Alan Johnson is a physician who has completed a pediatric residency and is board-certified or board-eligible in a pediatric specialty. Pediatric care providers are trained to care for newborns, infants, children and adolescents. A pediatrician could perform physical exams, manage vaccinations, monitor development milestones, diagnose illnesses, infections, injuries or other health problems, 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
Pediatrics Pediatric Emergency Medicine
- Taxonomy Code
- 2080P0204X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G87257
- License State
- CA
- Taxonomy Description
- A pediatrician who has special qualifications to manage emergencies in infants and children.
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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 1679685440, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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 70 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.
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
OAKLAND, CA 94609
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1679685440, enumerated as an "individual" on August 31, 2006.
The provider is located at 747 52ND STREET EMERGENCY MEDICINE OAKLAND, CA 94609 and the phone number is (510) 428-3259.
Pediatrics with taxonomy code 2080P0204X and a focus in Pediatric Emergency Medicine.
