MS. AMY L JOHNSON MA, LMHC
NPI 1992835433
Counselor - Mental Health in Concord, MA

NPI Status: Active since March 06, 2007

Contact Information

747 MAIN ST
SUITE 219
CONCORD, MA
ZIP 01742
Phone: (978) 369-1013

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  • Individual
  • Female
  • Counselor
  • Mental Health

About AMY JOHNSON

This page provides the complete NPI Profile along with additional information for Amy Johnson, a provider established in Concord, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1992835433 assigned on March 2007. The practitioner's primary taxonomy code is 101YM0800X with license number 6687 (MA). The provider is registered as an individual and her NPI record was last updated 17 years ago.

NPI
1992835433
Provider Name
MS. AMY L JOHNSON MA, LMHC
Gender
Female
Entity Type
Individual
Location Address
747 MAIN ST SUITE 219 CONCORD, MA 01742
Location Phone
(978) 369-1013
Mailing Address
747 MAIN ST SUITE 219 CONCORD, MA 01742
Mailing Phone
(978) 369-1013
Is Sole Proprietor?
Yes
Enumeration Date
03-06-2007
Last Update Date
04-01-2009
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A mental health counselor like Amy Johnson provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
6687
License State
MA

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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 1992835433, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
3
Doubled → 6
Check
3
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 9 → 18 → 9 8 → 16 → 7 5 → 10 → 1 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 6 + 3 + 1 + 0 + 4 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1992835433.

Other Providers at the Same Location


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

Internal Medicine (Endocrinology, Diabetes & Metabolism)
747 MAIN ST, SUITE 123
CONCORD, MA 01742
Internal Medicine
747 MAIN ST, SUITE 201
CONCORD, MA 01742
Chiropractor (Neurology)
747 MAIN ST, SUITE 205
CONCORD, MA 01742
Psychiatry & Neurology (Child & Adolescent Psychiatry)
747 MAIN ST, SUITE #308
CONCORD, MA 01742
Internal Medicine (Geriatric Medicine)
747 MAIN ST, SUITE 201
CONCORD, MA 01742
Chiropractor
747 MAIN ST, SUITE 316
CONCORD, MA 01742
Psychologist (Clinical)
747 MAIN ST, SUITE 218
CONCORD, MA 01742
Dentist
747 MAIN ST, SUITE 206
CONCORD, MA 01742
Dentist (General Practice)
747 MAIN ST, SUITE 211
CONCORD, MA 01742
Clinic/Center (Ambulatory Surgical)
747 MAIN ST, STE. 201
CONCORD, MA 01742
Anesthesiology (Pain Medicine)
747 MAIN ST, STE. 205
CONCORD, MA 01742
Clinic/Center
747 MAIN ST, SUITE 316
CONCORD, MA 01742
Physical Medicine & Rehabilitation
747 MAIN ST, SUITE 316
CONCORD, MA 01742
Counselor (Mental Health)
747 MAIN ST, SUITE 219
CONCORD, MA 01742
Dentist (Orthodontics and Dentofacial Orthopedics)
747 MAIN ST, SUITE 221
CONCORD, MA 01742
Clinic/Center (Urgent Care)
747 MAIN ST, SUITE 201
CONCORD, MA 01742
Social Worker (Clinical)
747 MAIN ST, SUITE 304
CONCORD, MA 01742
Preventive Medicine (Public Health & General Preventive Medicine)
747 MAIN ST, SUITE 201
CONCORD, MA 01742
Home Health
747 MAIN ST, SUITE 316
CONCORD, MA 01742
Psychologist (Clinical)
747 MAIN ST, SUITE 319
CONCORD, MA 01742

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992835433, enumerated as an "individual" on March 06, 2007.

The provider is located at 747 MAIN ST SUITE 219 CONCORD, MA 01742 and the phone number is (978) 369-1013.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.