DR. PETER SHIVERS JOHNSTON M.D.
NPI 1770897068
Internal Medicine - Endocrinology, Diabetes & Metabolism in Barryville, NY
NPI Status: Active since July 29, 2010
Contact Information
10 KODIAK ROAD
P.O. BOX 67
BARRYVILLE, NY
ZIP 12719
Phone: (845) 557-0456
- Individual
- Male
- Internal Medicine
- Endocrinology, Diabetes & Metabolism
About PETER JOHNSTON
This page provides the complete NPI Profile along with additional information for Peter Johnston, an internist established in Barryville, New York with a medical specialization in Internal Medicine, focusing in endocrinology, diabetes & metabolism . The healthcare provider is registered in the NPI registry with number 1770897068 assigned on July 2010. The practitioner's primary taxonomy code is 207RE0101X with license number 032117 (CT). The provider is registered as an individual and his NPI record was last updated 7 years ago.
- NPI
- 1770897068
- Provider Name
- DR. PETER SHIVERS JOHNSTON M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 10 KODIAK ROAD P.O. BOX 67 BARRYVILLE, NY 12719
- Location Phone
- (845) 557-0456
- Mailing Address
- 412 MORRIS AVE APT 18 SUMMIT, NJ 07901
- Mailing Phone
- (908) 598-9546
- Mailing Fax
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 07-29-2010
- Last Update Date
- 03-04-2019
- Code Navigator
An internist like Peter Johnston 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 Endocrinology, Diabetes & Metabolism
- Taxonomy Code
- 207RE0101X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 032117
- License State
- CT
- Taxonomy Description
- An internist who concentrates on disorders of the internal (endocrine) glands such as the thyroid and adrenal glands. This specialist also deals with disorders such as diabetes, metabolic and nutritional disorders, obesity, pituitary diseases and menstrual and sexual problems.
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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 1770897068, 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.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1770897068, enumerated as an "individual" on July 29, 2010.
The provider is located at 10 KODIAK ROAD P.O. BOX 67 BARRYVILLE, NY 12719 and the phone number is (845) 557-0456.
Internal Medicine with taxonomy code 207RE0101X and a focus in Endocrinology, Diabetes & Metabolism.
