WILLIS LEE HALL III
NPI 1720720949
Social Worker - Clinical in Baltimore, MD

NPI Status: Active since April 08, 2022

Contact Information

1807 E PRESTON ST
BALTIMORE, MD
ZIP 21213
Phone: (410) 276-2123

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  • Individual
  • Male
  • Social Worker
  • Clinical

About WILLIS HALL

This page provides the complete NPI Profile along with additional information for Willis Hall, a provider established in Baltimore, Maryland with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1720720949 assigned on April 2022. The practitioner's primary taxonomy code is 1041C0700X with license number 19501 (MD). The provider is registered as an individual and his NPI record was last updated 4 years ago.

NPI
1720720949
Provider Name
WILLIS LEE HALL III
Gender
Male
Entity Type
Individual
Location Address
1807 E PRESTON ST BALTIMORE, MD 21213
Location Phone
(410) 276-2123
Mailing Address
706 SOUTHERN LIGHTS DR ABERDEEN, MD 21001
Mailing Phone
(443) 510-2361
Is Sole Proprietor?
Yes
Enumeration Date
04-08-2022
Last Update Date
04-08-2022
Code Navigator

A clinical social worker like Willis Hall 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.

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

Social Worker Clinical

Taxonomy Code
1041C0700X
Type
Behavioral Health & Social Service Providers
License No.
19501
License State
MD
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.

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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 1720720949, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).

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

Step 2: Add all digits plus the NPI constant

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

2 + 7 + 4 + 0 + 1 + 4 + 2 + 0 + 9 + 8 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1720720949.

Other Providers at the Same Location


The following 12 providers are registered at the same or a nearby location.

Social Worker
1807 E PRESTON ST, WOLFE STREET ENTRANCE
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Clinic/Center (Rehabilitation, Substance Use Disorder)
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Community/Behavioral Health
1807 E PRESTON ST, WOLFE STREET SUITE
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213
Social Worker (Clinical)
1807 E PRESTON ST
BALTIMORE, MD 21213

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1720720949, enumerated as an "individual" on April 08, 2022.

The provider is located at 1807 E PRESTON ST BALTIMORE, MD 21213 and the phone number is (410) 276-2123.

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