TAMMY GRIFFIN LSW
NPI 1982408233
Social Worker - Clinical in Chicago, IL

NPI Status: Active since April 03, 2025

Contact Information

1448 N MILWAUKEE AVE STE 201
CHICAGO, IL
ZIP 60622
Phone: (312) 476-9064
Fax: (312) 900-8230

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  • Individual
  • Female
  • Social Worker
  • Clinical

About TAMMY GRIFFIN

This page provides the complete NPI Profile along with additional information for Tammy Griffin, a provider established in Chicago, Illinois with a medical specialization in Social Worker, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1982408233 assigned on April 2025. The practitioner's primary taxonomy code is 1041C0700X with license number 150115086 (IL). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1982408233
Provider Name
TAMMY GRIFFIN LSW
Gender
Female
Entity Type
Individual
Location Address
1448 N MILWAUKEE AVE STE 201 CHICAGO, IL 60622
Location Phone
(312) 476-9064
Location Fax
(312) 900-8230
Mailing Address
PO BOX 752123 HOUSTON, TX 77275
Mailing Phone
(312) 476-9064
Mailing Fax
(312) 900-8230
Is Sole Proprietor?
No
Enumeration Date
04-03-2025
Last Update Date
04-03-2025
Code Navigator

A clinical social worker like Tammy Griffin 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

Secondary Locations

  • 1603 Orrington Ave
    Evanston, IL 60201
    (312) 476-9064
  • 1754 N Washington St Ste 120
    Naperville, IL 60563
    (312) 476-9064
  • 920 S Spring St
    Springfield, IL 62704
    (312) 476-9064
  • 345 W North Ave
    Chicago, IL 60610
    (312) 476-9064
  • 10850 Lincoln Trl
    Fairview Heights, IL 62208
    (312) 476-9064
  • 5250 Old Orchard Rd
    Skokie, IL 60077
    (312) 476-9064

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.
150115086
License State
IL
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 1982408233, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
9
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
2
Unchanged
Pos 5
4
Doubled → 8
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
3
Doubled → 6
Check
3
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 8 → 16 → 7 4 → 8 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 6 + 2 + 8 + 0 + 1 + 6 + 2 + 6 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1982408233.

Other Providers at the Same Location


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

Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Mental Health)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Social Worker (Clinical)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Counselor (Professional)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
In Home Supportive Care
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Social Worker (Clinical)
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Social Worker
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622
Social Worker
1448 N MILWAUKEE AVE STE 201
CHICAGO, IL 60622

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1982408233, enumerated as an "individual" on April 03, 2025.

The provider is located at 1448 N MILWAUKEE AVE STE 201 CHICAGO, IL 60622 and the phone number is (312) 476-9064.

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