MARK JOHNSON
NPI 1639470636
Counselor - Professional in Dallas, TX
NPI Status: Active since November 06, 2010
- Individual
- Male
- Counselor
- Professional
About MARK JOHNSON
This page provides the complete NPI Profile along with additional information for Mark Johnson, a provider established in Dallas, Texas with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1639470636 assigned on November 2010. The practitioner's primary taxonomy code is 101YP2500X. The provider is registered as an individual and his NPI record was last updated 15 years ago.
- NPI
- 1639470636
- Provider Name
- MARK JOHNSON
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 4314 W LOVERS LN DALLAS, TX 75209
- Location Phone
- (214) 432-6624
- Mailing Address
- 3105 NEWCASTLE DR DALLAS, TX 75220
- Mailing Phone
- (214) 432-6624
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 11-06-2010
- Last Update Date
- 11-06-2010
- 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
Counselor Professional
- Taxonomy Code
- 101YP2500X
- Type
- Behavioral Health & Social Service Providers
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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 | 6 | 3 | 9 | 4 | 7 | 0 | 6 | 3 | 6 |
| Step 1: Double the value of the alternate digits, beginning with the rightmost digit. | |||||||||
| 2 | 6 | 6 | 9 | 8 | 7 | 0 | 6 | 6 | |
| Step 2: Add all the doubled and unaffected individual digits from step 1 plus the constant number 24. | |||||||||
| 2 + 6 + 6 + 9 + 8 + 7 + 0 + 6 + 6 + 24 = 74 | |||||||||
| Step 3: Subtract the total obtained in step 2 from the next higher number ending in zero, the result is the check digit. | |||||||||
| 80 - 74 = 6 | 6 | ||||||||
The NPI number 1639470636 is valid because the calculated check digit 6 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 1639470636, enumerated in the NPI registry as an "individual" on November 06, 2010
The provider is located at 4314 W Lovers Ln Dallas, Tx 75209 and the phone number is (214) 432-6624
The provider's speciality is Counselor with taxonomy code 101YP2500X with a focus in Professional
This NPI record was last updated on November 06, 2010. To officially update your NPI information contact the National Plan and Provider Enumeration System (NPPES) at 1-800-465-3203 (NPI Toll-Free) or by email at [email protected].
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