JOHN C.H. BYON MD
NPI 1295848018
Internal Medicine - Hematology & Oncology in Seattle, WA
NPI Status: Active since August 16, 2006
Contact Information
1705 NE PACIFIC ST
BOX 357710
SEATTLE, WA
ZIP 98195
Phone: (206) 543-2368
Fax: (206) 543-3560
- Individual
- Male
- Internal Medicine
- Hematology & Oncology
About JOHN BYON
This page provides the complete NPI Profile along with additional information for John Byon, an internist established in Seattle, Washington with a medical specialization in Internal Medicine, focusing in hematology & oncology . The healthcare provider is registered in the NPI registry with number 1295848018 assigned on August 2006. The practitioner's primary taxonomy code is 207RH0003X with license number MD00045091 (WA). The provider is registered as an individual and his NPI record was last updated 17 years ago.
- NPI
- 1295848018
- Provider Name
- JOHN C.H. BYON MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1705 NE PACIFIC ST BOX 357710 SEATTLE, WA 98195
- Location Phone
- (206) 543-2368
- Location Fax
- (206) 543-3560
- Mailing Address
- 1705 NE PACIFIC ST BOX 357710 SEATTLE, WA 98195
- Mailing Phone
- (206) 543-2368
- Mailing Fax
- (206) 543-3560
- Is Sole Proprietor?
- No
- Enumeration Date
- 08-16-2006
- Last Update Date
- 06-02-2009
- Code Navigator
An internist like John Byon is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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
Internal Medicine Hematology & Oncology
- Taxonomy Code
- 207RH0003X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- MD00045091
- License State
- WA
- Taxonomy Description
- An internist doctor of osteopathy that specializes in the treatment of the combination of hematology and oncology disorders. A doctor of osteopathy that is board eligible/certified by the American Osteopathic Board of Internal Medicine WAS able to obtain a Certificate of Special Qualifications in the field of Hematology and Oncology. The Certificate is NO longer offered.
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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 1295848018, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).
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 62 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 8 providers are registered at the same or a nearby location.
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
SEATTLE, WA 98195
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1295848018, enumerated as an "individual" on August 16, 2006.
The provider is located at 1705 NE PACIFIC ST BOX 357710 SEATTLE, WA 98195 and the phone number is (206) 543-2368.
Internal Medicine with taxonomy code 207RH0003X and a focus in Hematology & Oncology.
