ANNIE LYNN CROSSMAN LMHC
NPI 1427688282
Counselor - Mental Health in Boston, MA

NPI Status: Active since January 21, 2020

Contact Information

10 GUEST ST
BOSTON, MA
ZIP 02135
Phone: (617) 581-2682

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  • Individual
  • Female
  • Counselor
  • Mental Health

About ANNIE CROSSMAN

This page provides the complete NPI Profile along with additional information for Annie Crossman, a provider established in Boston, Massachusetts with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1427688282 assigned on January 2020. The practitioner's primary taxonomy code is 101YM0800X with license number 11155 (MA). The provider is registered as an individual and her NPI record was last updated 2 years ago.

NPI
1427688282
Provider Name
ANNIE LYNN CROSSMAN LMHC
Gender
Female
Entity Type
Individual
Location Address
10 GUEST ST BOSTON, MA 02135
Location Phone
(617) 581-2682
Mailing Address
49 MARION ST APT 1C BROOKLINE, MA 02446
Mailing Phone
(603) 264-6762
Is Sole Proprietor?
No
Enumeration Date
01-21-2020
Last Update Date
02-09-2024
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A mental health counselor like Annie Crossman 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.

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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 Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
11155
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 1427688282, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
4
Unchanged
Pos 3
2
Doubled → 4
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
8
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 6 → 12 → 3 8 → 16 → 7 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 2 + 8 + 1 + 6 + 2 + 1 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1427688282.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Counselor (Mental Health)
10 GUEST ST
BOSTON, MA 02135
Student in an Organized Health Care Education/Training Program
10 GUEST ST
BOSTON, MA 02135
Social Worker (Clinical)
10 GUEST ST
BOSTON, MA 02135
Occupational Therapist
10 GUEST ST
BOSTON, MA 02135
Counselor (Mental Health)
10 GUEST ST
BOSTON, MA 02135
Social Worker (Clinical)
10 GUEST ST
BOSTON, MA 02135
Counselor (Mental Health)
10 GUEST ST
BOSTON, MA 02135
Case Manager/Care Coordinator
10 GUEST ST
BOSTON, MA 02135
Social Worker (Clinical)
10 GUEST ST
BOSTON, MA 02135
Social Worker (Clinical)
10 GUEST ST
BOSTON, MA 02135
Student in an Organized Health Care Education/Training Program
10 GUEST ST
BOSTON, MA 02135
Social Worker (Clinical)
10 GUEST ST
BRIGHTON, MA 02135
Peer Specialist
10 GUEST ST
BOSTON, MA 02135
Counselor (Mental Health)
10 GUEST ST
BOSTON, MA 02135
Social Worker (School)
10 GUEST ST
BOSTON, MA 02135
Counselor
10 GUEST ST
BOSTON, MA 02135
Case Manager/Care Coordinator
10 GUEST ST
BOSTON, MA 02135

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427688282, enumerated as an "individual" on January 21, 2020.

The provider is located at 10 GUEST ST BOSTON, MA 02135 and the phone number is (617) 581-2682.

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