DR. JOHN ELLERY LIDDICOAT M.D.
NPI 1538372719
Thoracic Surgery (Cardiothoracic Vascular Surgery) in Mckinney, TX
NPI Status: Active since May 07, 2007
Contact Information
7405 BOULDER CREEK DR
MCKINNEY, TX
ZIP 75070
Phone: (214) 505-2369
NPPES record last updated: July 8, 2007. Verified against the NPPES registry weekly; last sync: July 12, 2026.
- Individual
- Male
- Thoracic Surgery (Cardiothoracic Vascula...
About JOHN LIDDICOAT
This page provides the complete NPI Profile along with additional information for John Liddicoat, a provider established in Mckinney, Texas with a medical specialization in Thoracic Surgery (cardiothoracic Vascular Surgery). The healthcare provider is registered in the NPI registry with number 1538372719 assigned on May 2007. The practitioner's primary taxonomy code is 208G00000X with license number E0529 (TX). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1538372719
- Provider Name
- DR. JOHN ELLERY LIDDICOAT M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 7405 BOULDER CREEK DR MCKINNEY, TX 75070
- Location Phone
- (214) 505-2369
- Mailing Address
- 7405 BOULDER CREEK DR MCKINNEY, TX 75070
- Mailing Phone
- (214) 505-2369
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 05-07-2007
- Last Update Date
- 07-08-2007
- 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
Thoracic Surgery (Cardiothoracic Vascular Surgery)
- Taxonomy Code
- 208G00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- E0529
- License State
- TX
- Taxonomy Description
- A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.
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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 1538372719, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).
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 71 is 80. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1538372719, enumerated as an "individual" on May 07, 2007.
The provider is located at 7405 BOULDER CREEK DR MCKINNEY, TX 75070 and the phone number is (214) 505-2369.
Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.
