DR. HOLLY GRANT-MARSNEY PH.D.
NPI 1841746534
Counselor - Mental Health in Marshfield, MA

NPI Status: Active since September 01, 2016

Contact Information

769 PLAIN ST
UNIT I
MARSHFIELD, MA
ZIP 02050
Phone: (617) 847-1950
Fax: (617) 774-1490

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  • Individual
  • Female
  • Counselor
  • Mental Health

About HOLLY GRANT-MARSNEY

This page provides the complete NPI Profile along with additional information for Holly Grant-marsney, a provider established in Marshfield, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1841746534 assigned on September 2016. The practitioner's primary taxonomy code is 101YM0800X. The provider is registered as an individual and her NPI record was last updated 10 years ago.

NPI
1841746534
Provider Name
DR. HOLLY GRANT-MARSNEY PH.D.
Gender
Female
Entity Type
Individual
Location Address
769 PLAIN ST UNIT I MARSHFIELD, MA 02050
Location Phone
(617) 847-1950
Location Fax
(617) 774-1490
Mailing Address
769 PLAIN ST UNIT I MARSHFIELD, MA 02050
Mailing Phone
(617) 847-1950
Mailing Fax
(617) 774-1490
Is Sole Proprietor?
No
Enumeration Date
09-01-2016
Last Update Date
09-01-2016
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A mental health counselor like Holly Grant-marsney 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

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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 1841746534, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
4
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
4
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 4 → 8 7 → 14 → 5 6 → 12 → 3 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 4 + 4 + 1 + 2 + 5 + 6 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1841746534.

Other Providers at the Same Location


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

Psychologist (Clinical)
769 PLAIN ST, SUITE B
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Counselor (Mental Health)
769 PLAIN ST
MARSHFIELD, MA 02050
Chiropractor
769 PLAIN ST, SUITE G
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Psychologist
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Student in an Organized Health Care Education/Training Program
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT 1
MARSHFIELD, MA 02050
Social Worker (Clinical)
769 PLAIN ST, UNIT I
MARSHFIELD, MA 02050
Nurse Practitioner (Psychiatric/Mental Health)
769 PLAIN ST
MARSHFIELD, MA 02050
Counselor (Mental Health)
769 PLAIN ST, SUITE I
MARSHFIELD, MA 02050
Psychologist (Clinical)
769 PLAIN ST, UNIT N
MARSHFIELD, MA 02050
Nurse Practitioner (Psychiatric/Mental Health)
769 PLAIN ST
MARSHFIELD, MA 02050
Counselor (Mental Health)
769 PLAIN ST
MARSHFIELD, MA 02050

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841746534, enumerated as an "individual" on September 01, 2016.

The provider is located at 769 PLAIN ST UNIT I MARSHFIELD, MA 02050 and the phone number is (617) 847-1950.

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