TAN TWHIGG LCSW
NPI 1821455171
Social Worker - Clinical in Portland, ME

NPI Status: Active since January 18, 2016

Contact Information

901 WASHINGTON AVE
PORTLAND, ME
ZIP 04103
Phone: (207) 871-1211

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  • Individual
  • Male
  • Social Worker
  • Clinical

About TAN TWHIGG

This page provides the complete NPI Profile along with additional information for Tan Twhigg, a provider established in Portland, Maine with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1821455171 assigned on January 2016. The practitioner's primary taxonomy code is 1041C0700X with license number LC17107 (ME). The provider is registered as an individual and his NPI record was last updated 7 years ago.

NPI
1821455171
Provider Name
TAN TWHIGG LCSW
Gender
Male
Entity Type
Individual
Location Address
901 WASHINGTON AVE PORTLAND, ME 04103
Location Phone
(207) 871-1211
Mailing Address
901 WASHINGTON AVE PORTLAND, ME 04103
Is Sole Proprietor?
Yes
Enumeration Date
01-18-2016
Last Update Date
02-13-2019
Code Navigator

A clinical social worker like Tan Twhigg is licensed to diagnose and treat mental, behavioral, and emotional disorders. A clinical social worker helps patients develop strategies to change behavior or cope with difficult situations and refer patients to other resources or services, such as support groups or other mental health professionals.

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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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
LC17107
License State
ME
Taxonomy Description
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1104100000XBehavioral Health & Social Service Providers

Social Worker

MC15585 (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 1821455171, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
1
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
1
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 4 → 8 5 → 10 → 1 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 8 + 5 + 1 + 0 + 1 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1821455171.

Other Providers at the Same Location


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

Internal Medicine
901 WASHINGTON AVE, SUITE 104
PORTLAND, ME 04103
Pharmacy (Clinic Pharmacy)
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker (Clinical)
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker (Clinical)
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker
901 WASHINGTON AVE
PORTLAND, ME 04103
Counselor
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker
901 WASHINGTON AVE
PORTLAND, ME 04103
Registered Nurse
901 WASHINGTON AVE, SUITE 100
PORTLAND, ME 04103
Speech-Language Pathologist
901 WASHINGTON AVE
PORTLAND, ME 04103
Counselor (Professional)
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker
901 WASHINGTON AVE
PORTLAND, ME 04103
Speech-Language Pathologist
901 WASHINGTON AVE
PORTLAND, ME 04103
Counselor (Professional)
901 WASHINGTON AVE, STE. 100
PORTLAND, ME 04103
Social Worker (Clinical)
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker
901 WASHINGTON AVE, SUITE 100
PORTLAND, ME 04103
Nurse Practitioner
901 WASHINGTON AVE
PORTLAND, ME 04103
Social Worker (Clinical)
901 WASHINGTON AVE, SUITE 100
PORTLAND, ME 04103
Social Worker
901 WASHINGTON AVE, SUITE 100
PORTLAND, ME 04103
Occupational Therapist
901 WASHINGTON AVE
PORTLAND, ME 04103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821455171, enumerated as an "individual" on January 18, 2016.

The provider is located at 901 WASHINGTON AVE PORTLAND, ME 04103 and the phone number is (207) 871-1211.

Social Worker with taxonomy code 1041C0700X and a focus in Clinical.