DR. JOEL DAVID EFFLER PH.D.
NPI 1184860181
Psychologist - Health Service in Knoxville, TN

NPI Status: Active since December 21, 2008

Contact Information

2892 ALCOA HWY
KNOXVILLE, TN
ZIP 37920
Phone: (865) 579-2727
Fax: (865) 579-2522

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  • Individual
  • Male
  • Psychologist
  • Health Service

About JOEL EFFLER

This page provides the complete NPI Profile along with additional information for Joel Effler, a provider established in Knoxville, Tennessee with a medical specialization in Psychologist, focusing in health service . The healthcare provider is registered in the NPI registry with number 1184860181 assigned on December 2008. The practitioner's primary taxonomy code is 103TH0100X with license number PE0000000649 (TN). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1184860181
Provider Name
DR. JOEL DAVID EFFLER PH.D.
Gender
Male
Entity Type
Individual
Location Address
2892 ALCOA HWY KNOXVILLE, TN 37920
Location Phone
(865) 579-2727
Location Fax
(865) 579-2522
Mailing Address
2892 ALCOA HWY KNOXVILLE, TN 37920
Mailing Phone
(865) 579-2727
Mailing Fax
(865) 579-2522
Is Sole Proprietor?
Yes
Enumeration Date
12-21-2008
Last Update Date
12-21-2008
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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

Psychologist Health Service

Taxonomy Code
103TH0100X
Type
Behavioral Health & Social Service Providers
License No.
PE0000000649
License State
TN
Taxonomy Description
A psychologist, certified/licensed at the independent practice level in his/her state, who is duly trained and experienced in the delivery of direct, preventative, assessment, and therapeutic intervention services to individuals whose growth, adjustment, or functioning is actually impaired or is demonstrably at high risk of impairment (1974).

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)
1103TS0200XBehavioral Health & Social Service Providers

Psychologist
School

(TN)

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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 1184860181, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
1
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
6
Unchanged
Pos 7
0
Doubled → 0
Pos 8
1
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
1
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 8 → 16 → 7 8 → 16 → 7 0 → 0 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 6 + 4 + 1 + 6 + 6 + 0 + 1 + 1 + 6 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1184860181.

Other Providers at the Same Location


The following 1 provider is registered at the same or a nearby location.

Psychologist (School)
2892 ALCOA HWY
KNOXVILLE, TN 37920

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1184860181, enumerated as an "individual" on December 21, 2008.

The provider is located at 2892 ALCOA HWY KNOXVILLE, TN 37920 and the phone number is (865) 579-2727.

Psychologist with taxonomy code 103TH0100X and a focus in Health Service.