DR. FRANCISCO CALIWARA TEJADA JR. M.D.
NPI 1255707964
Internal Medicine in Collinsville, IL
NPI Status: Active since August 17, 2015
Contact Information
304 W MAIN
COLLINSVILLE, IL
ZIP 62234
Phone: (618) 910-1303
- Individual
- Male
- Internal Medicine
About FRANCISCO TEJADA
This page provides the complete NPI Profile along with additional information for Francisco Tejada, an internist established in Collinsville, Illinois with a medical specialization in Internal Medicine. The healthcare provider is registered in the NPI registry with number 1255707964 assigned on August 2015. The practitioner's primary taxonomy code is 207R00000X with license number 036.040094 (IL). The provider is registered as an individual and his NPI record was last updated 10 years ago.
- NPI
- 1255707964
- Provider Name
- DR. FRANCISCO CALIWARA TEJADA JR. M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 304 W MAIN COLLINSVILLE, IL 62234
- Location Phone
- (618) 910-1303
- Mailing Address
- 116 BROOKFIELD CT. TROY, IL 62294
- Mailing Phone
- (618) 910-1303
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 08-17-2015
- Last Update Date
- 08-17-2015
- Code Navigator
An internist like Francisco Tejada 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
- Taxonomy Code
- 207R00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 036.040094
- License State
- IL
- Taxonomy Description
- A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
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NPI Validation Check Digit Calculation
The following table explains the step by step NPI number validation process using the ISO standard Luhn algorithm.
| Start with the original NPI number, the last digit is the check digit and is not used in the calculation. | |||||||||
| 1 | 2 | 5 | 5 | 7 | 0 | 7 | 9 | 6 | 4 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 2 | 10 | 5 | 14 | 0 | 14 | 9 | 12 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 2 + 1 + 0 + 5 + 1 + 4 + 0 + 1 + 4 + 9 + 1 + 2 + 24 = 56 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 60 - 56 = 4 | 4 | ||||||||
The NPI number 1255707964 is valid because the calculated check digit 4 using the Luhn validation algorithm matches the last digit of the original NPI number.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1255707964, enumerated as an "individual" on August 17, 2015.
The provider is located at 304 W MAIN COLLINSVILLE, IL 62234 and the phone number is (618) 910-1303.
Internal Medicine with taxonomy code 207R00000X.
