DR. DONALD S. BLATNIK M.D.
NPI 1700027810
Otolaryngology in Oconomowoc, WI
NPI Status: Active since March 19, 2009
Contact Information
4555 HEWITTS POINT RD
OCONOMOWOC, WI
ZIP 53066
Phone: (262) 649-4381
- Individual
- Male
- Otolaryngology
About DONALD BLATNIK
This page provides the complete NPI Profile along with additional information for Donald Blatnik, a provider established in Oconomowoc, Wisconsin with a medical specialization in Otolaryngology. The healthcare provider is registered in the NPI registry with number 1700027810 assigned on March 2009. The practitioner's primary taxonomy code is 207Y00000X with license number 14334-020 (WI). The provider is registered as an individual and his NPI record was last updated 17 years ago.
- NPI
- 1700027810
- Provider Name
- DR. DONALD S. BLATNIK M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4555 HEWITTS POINT RD OCONOMOWOC, WI 53066
- Location Phone
- (262) 649-4381
- Mailing Address
- 4555 HEWITTS POINT RD OCONOMOWOC, WI 53066
- Mailing Phone
- (262) 649-4381
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 03-19-2009
- Last Update Date
- 03-19-2009
- 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
Otolaryngology
- Taxonomy Code
- 207Y00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 14334-020
- License State
- WI
- Taxonomy Description
- An otolaryngologist-head and neck surgeon provides comprehensive medical and surgical care for patients with diseases and disorders that affect the ears, nose, throat, the respiratory and upper alimentary systems and related structures of the head and neck. An otolaryngologist diagnoses and provides medical and/or surgical therapy or prevention of diseases, allergies, neoplasms, deformities, disorders and/or injuries of the ears, nose, sinuses, throat, respiratory and upper alimentary systems, face, jaws and the other head and neck systems. Head and neck oncology, facial plastic and reconstructive surgery and the treatment of disorders of hearing and voice are fundamental areas of expertise.
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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 1700027810, 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 50. The final step is to find the difference between that total and the next multiple of ten (50 - 50 = 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 50 is 50. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1700027810, enumerated as an "individual" on March 19, 2009.
The provider is located at 4555 HEWITTS POINT RD OCONOMOWOC, WI 53066 and the phone number is (262) 649-4381.
Otolaryngology with taxonomy code 207Y00000X.
