PROF. JOHN COURTENAY PRESTON CRNA
NPI 1578568234
Nurse Anesthetist, Certified Registered in Knoxville, TN

NPI Status: Active since June 17, 2005

Contact Information

1924 ALCOA HWY
KNOXVILLE, TN
ZIP 37920
Phone: (865) 544-9222
Fax: (865) 544-6852

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  • Individual
  • Male
  • Nurse Anesthetist, Certified Registered

About JOHN PRESTON

This page provides the complete NPI Profile along with additional information for John Preston, a provider established in Knoxville, Tennessee with a medical specialization in Nurse Anesthetist, Certified Registered. The healthcare provider is registered in the NPI registry with number 1578568234 assigned on June 2005. The practitioner's primary taxonomy code is 367500000X with license number 0000067906 (TN). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1578568234
Provider Name
PROF. JOHN COURTENAY PRESTON CRNA
Gender
Male
Entity Type
Individual
Location Address
1924 ALCOA HWY KNOXVILLE, TN 37920
Location Phone
(865) 544-9222
Location Fax
(865) 544-6852
Mailing Address
10065 DELLE MEADE DR KNOXVILLE, TN 37931
Mailing Phone
(865) 531-2759
Is Sole Proprietor?
Yes
Enumeration Date
06-17-2005
Last Update Date
07-08-2007
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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

Nurse Anesthetist, Certified Registered

Taxonomy Code
367500000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
0000067906
License State
TN
Taxonomy Description
(1) A licensed registered nurse with advanced specialty education in anesthesia who, in collaboration with appropriate health care professionals, provides preoperative, intraoperative, and postoperative care to patients and assists in management and resuscitation of critical patients in intensive care, coronary care, and emergency situations. Nurse anesthetists are certified following successful completion of credentials and state licensure review and a national examination directed by the Council on Certification of Nurse Anesthetists. (2) A registered nurse who is qualified by special training to administer anesthesia in collaboration with a physician or dentist and who can assist in the care of patients who are in critical condition.

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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 1578568234, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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.

Pos 1
1
Doubled → 2
Pos 2
5
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
8
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
6
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
4
Target digit
Regular digit Doubled digit Check digit

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.

1 → 2 7 → 14 → 5 5 → 10 → 1 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

Add the transformed values, the unchanged digits, and the constant 24.

2 + 5 + 1 + 4 + 8 + 1 + 0 + 6 + 1 + 6 + 2 + 6 + 24 = 66

Step 3: Find the amount needed to reach the next multiple of 10

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1578568234.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Radiology (Diagnostic Radiology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Radiology (Diagnostic Radiology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Radiology (Diagnostic Radiology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
Radiology (Nuclear Radiology)
1924 ALCOA HWY
KNOXVILLE, TN 37920
General Acute Care Hospital
1924 ALCOA HWY
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U 109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Anesthesiology
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920
Pharmacist (Pharmacotherapy)
1924 ALCOA HWY, BOX 117
KNOXVILLE, TN 37920
Pharmacist (Pharmacotherapy)
1924 ALCOA HWY, BOX 41
KNOXVILLE, TN 37920
Nurse Anesthetist, Certified Registered
1924 ALCOA HWY, BOX U109
KNOXVILLE, TN 37920

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1578568234, enumerated as an "individual" on June 17, 2005.

The provider is located at 1924 ALCOA HWY KNOXVILLE, TN 37920 and the phone number is (865) 544-9222.

Nurse Anesthetist, Certified Registered with taxonomy code 367500000X.