RONALD DEWALD MD
NPI 1194274530
Orthopaedic Surgery - Orthopaedic Surgery of the Spine in Lake Forest, IL
NPI Status: Active since September 27, 2016
Contact Information
1645 W BROADLAND LN
LAKE FOREST, IL
ZIP 60045
Phone: (847) 234-5841
Fax: (847) 234-5919
- Individual
- Male
- Orthopaedic Surgery
- Orthopaedic Surgery of the Spine
About RONALD DEWALD
This page provides the complete NPI Profile along with additional information for Ronald Dewald, a provider established in Lake Forest, Illinois with a medical specialization in Orthopaedic Surgery, focusing in orthopaedic surgery of the spine . The healthcare provider is registered in the NPI registry with number 1194274530 assigned on September 2016. The practitioner's primary taxonomy code is 207XS0117X with license number 036.036945 (IL). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1194274530
- Provider Name
- RONALD DEWALD MD
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1645 W BROADLAND LN LAKE FOREST, IL 60045
- Location Phone
- (847) 234-5841
- Location Fax
- (847) 234-5919
- Mailing Address
- 1645 W BROADLAND LN LAKE FOREST, IL 60045
- Mailing Phone
- (847) 234-5841
- Mailing Fax
- (847) 234-5919
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 09-27-2016
- Last Update Date
- 09-27-2016
- 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
Orthopaedic Surgery Orthopaedic Surgery of the Spine
- Taxonomy Code
- 207XS0117X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036.036945
- License State
- IL
- Taxonomy Description
- Recognized by several state medical boards as a fellowship subspecialty program of orthopaedic surgery, orthopaedic surgeons of the spine deal with the evaluation and nonoperative and operative treatment of the full spectrum of primary spinal disorders including trauma, degenerative, deformity, tumor, and reconstructive.
Secondary Taxonomies
The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.
| No. | Taxonomy Code | Type | Classification / Specialization |
License No. (State) |
|---|---|---|---|---|
| 1 | 207X00000X | Allopathic & Osteopathic Physicians | Orthopaedic Surgery | 036.036945 (IL) |
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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 1194274530, 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 70. The final step is to find the difference between that total and the next multiple of ten (70 - 70 = 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 70 is 70. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1194274530, enumerated as an "individual" on September 27, 2016.
The provider is located at 1645 W BROADLAND LN LAKE FOREST, IL 60045 and the phone number is (847) 234-5841.
Orthopaedic Surgery with taxonomy code 207XS0117X and a focus in Orthopaedic Surgery of the Spine.
