DR. RON WALD MD
NPI 1124340757
Internal Medicine - Nephrology in Toronto, ONTARIO
NPI Status: Active since February 24, 2010
Contact Information
ST. MICHAEL'S HOSPITAL
30 BOND STREET
TORONTO, ONTARIO
ZIP M5B 1
Phone: (416) 867-3703
Fax: (416) 867-3709
- Individual
- Male
- Internal Medicine
- Nephrology
About RON WALD
This page provides the complete NPI Profile along with additional information for Ron Wald, an internist established in Toronto, with a medical specialization in Internal Medicine, focusing in nephrology . The healthcare provider is registered in the NPI registry with number 1124340757 assigned on February 2010. The practitioner's primary taxonomy code is 207RN0300X with license number 224141 (MA). The provider is registered as an individual and his NPI record was last updated 16 years ago.
- NPI
- 1124340757
- Provider Name
- DR. RON WALD MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- ST. MICHAEL'S HOSPITAL 30 BOND STREET TORONTO, ONTARIO M5B 1
- Location Phone
- (416) 867-3703
- Location Fax
- (416) 867-3709
- Mailing Address
- 588 ST. CLEMENTS AVENUE TORONTO, ONTARIO M5N 1
- Mailing Phone
- (416) 785-2050
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 02-24-2010
- Last Update Date
- 02-24-2010
- Code Navigator
An internist like Ron Wald 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.
- 224141
- License State
- MA
- 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 1124340757, we treat the final digit (7) 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 53. The final step is to find the difference between that total and the next multiple of ten (60 - 53 = 7).
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 53 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1124340757, enumerated as an "individual" on February 24, 2010.
The provider is located at ST. MICHAEL'S HOSPITAL 30 BOND STREET TORONTO, ONTARIO M5B 1 and the phone number is (416) 867-3703.
Internal Medicine with taxonomy code 207RN0300X and a focus in Nephrology.
