MR. MARK A TURNER
NPI 1821037490
Counselor in Lowell, MA

NPI Status: Active since June 06, 2006

Contact Information

99 CHURCH ST
LOWELL, MA
ZIP 01852
Phone: (978) 458-6282
Fax: (978) 441-9826

Get Directions Write a Review

  • Individual
  • Male
  • Counselor

About MARK TURNER

This page provides the complete NPI Profile along with additional information for Mark Turner, a provider established in Lowell, Massachusetts with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1821037490 assigned on June 2006. The practitioner's primary taxonomy code is 101Y00000X. The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1821037490
Provider Name
MR. MARK A TURNER
Gender
Male
Entity Type
Individual
Location Address
99 CHURCH ST LOWELL, MA 01852
Location Phone
(978) 458-6282
Location Fax
(978) 441-9826
Mailing Address
62 JENNESS ST LOWELL, MA 01851
Mailing Phone
(978) 458-6925
Is Sole Proprietor?
Yes
Enumeration Date
06-06-2006
Last Update Date
07-08-2007
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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

Reviews for MR. MARK A TURNER

There are currently no reviews for this provider. Be the first person to share your experience with this provider by filling out our review form. Your insights are appreciated and will help others make informed decisions.

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 1821037490, we treat the final digit (0) 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 60. The final step is to find the difference between that total and the next multiple of ten (60 - 60 = 0).

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
8
Unchanged
Pos 3
2
Doubled → 4
Pos 4
1
Unchanged
Pos 5
0
Doubled → 0
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
Check
0
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 2 → 4 0 → 0 7 → 14 → 5 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 0 + 3 + 1 + 4 + 4 + 1 + 8 + 24 = 60

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

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

60 - 60 = 0
This NPI is valid
The calculated check digit is 0, which matches the last digit of 1821037490.

Other Providers at the Same Location


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

Psychiatry & Neurology (Psychiatry)
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Counselor (Mental Health)
99 CHURCH ST
LOWELL, MA 01852
Counselor
99 CHURCH ST
LOWELL, MA 01852
Counselor
99 CHURCH ST
LOWELL, MA 01852
Psychiatry & Neurology (Child & Adolescent Psychiatry)
99 CHURCH ST
LOWELL, MA 01852
Counselor
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Counselor (Mental Health)
99 CHURCH ST
LOWELL, MA 01852
Marriage & Family Therapist
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Registered Nurse (Psychiatric/Mental Health, Adult)
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Social Worker
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Social Worker (Clinical)
99 CHURCH ST
LOWELL, MA 01852
Counselor (Mental Health)
99 CHURCH ST
LOWELL, MA 01852

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821037490, enumerated as an "individual" on June 06, 2006.

The provider is located at 99 CHURCH ST LOWELL, MA 01852 and the phone number is (978) 458-6282.

Counselor with taxonomy code 101Y00000X.