DR. DANIEL JOHNSON PHD, LCPC
NPI 1659423119
Counselor - Professional in Mount Desert, ME

NPI Status: Active since January 17, 2007

Contact Information

20 OAK RIDGE RD
MOUNT DESERT, ME
ZIP 04660
Phone: (207) 460-2436

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  • Individual
  • Male
  • Counselor
  • Professional

About DANIEL JOHNSON

This page provides the complete NPI Profile along with additional information for Daniel Johnson, a provider established in Mount Desert, Maine with a medical specialization in Counselor, focusing in professional . The healthcare provider is registered in the NPI registry with number 1659423119 assigned on January 2007. The practitioner's primary taxonomy code is 101YP2500X with license number CC1217 (ME). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1659423119
Provider Name
DR. DANIEL JOHNSON PHD, LCPC
Gender
Male
Entity Type
Individual
Location Address
20 OAK RIDGE RD MOUNT DESERT, ME 04660
Location Phone
(207) 460-2436
Mailing Address
20 OAK RIDGE RD MOUNT DESERT, ME 04660
Mailing Phone
(207) 460-2436
Is Sole Proprietor?
Yes
Enumeration Date
01-17-2007
Last Update Date
01-17-2019
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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

Counselor Professional

Taxonomy Code
101YP2500X
Type
Behavioral Health & Social Service Providers
License No.
CC1217
License State
ME

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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 1659423119, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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.

Pos 1
1
Doubled → 2
Pos 2
6
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
9
Unchanged
Pos 5
4
Doubled → 8
Pos 6
2
Unchanged
Pos 7
3
Doubled → 6
Pos 8
1
Unchanged
Pos 9
1
Doubled → 2
Check
9
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 5 → 10 → 1 4 → 8 3 → 6 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 0 + 9 + 8 + 2 + 6 + 1 + 2 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1659423119.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1659423119, enumerated as an "individual" on January 17, 2007.

The provider is located at 20 OAK RIDGE RD MOUNT DESERT, ME 04660 and the phone number is (207) 460-2436.

Counselor with taxonomy code 101YP2500X and a focus in Professional.