DR. PETER URI FEIG MD
NPI 1881855021
Internal Medicine - Nephrology in Guilford, CT
NPI Status: Active since June 20, 2008
Contact Information
396 VINEYARD POINT RD
GUILFORD, CT
ZIP 06437
Phone: (203) 458-3408
Fax: (203) 458-3408
- Individual
- Male
- Internal Medicine
- Nephrology
About PETER FEIG
This page provides the complete NPI Profile along with additional information for Peter Feig, an internist established in Guilford, Connecticut with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1881855021 assigned on June 2008. The practitioner's primary taxonomy code is 207RN0300X with license number 248631 (NY). The provider is registered as an individual and his NPI record was last updated 14 years ago.
- NPI
- 1881855021
- Provider Name
- DR. PETER URI FEIG MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 396 VINEYARD POINT RD GUILFORD, CT 06437
- Location Phone
- (203) 458-3408
- Location Fax
- (203) 458-3408
- Mailing Address
- 396 VINEYARD POINT RD GUILFORD, CT 06437
- Mailing Phone
- (203) 458-3408
- Mailing Fax
- (203) 458-3408
- Is Sole Proprietor?
- No
- Enumeration Date
- 06-20-2008
- Last Update Date
- 09-07-2012
- Code Navigator
An internist like Peter Feig 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 Nephrology
- Taxonomy Code
- 207RN0300X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 248631
- License State
- NY
- Taxonomy Description
- An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
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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 1881855021, 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 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 59 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1881855021, enumerated as an "individual" on June 20, 2008.
The provider is located at 396 VINEYARD POINT RD GUILFORD, CT 06437 and the phone number is (203) 458-3408.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
