JENNIFER K HASAK PH.D.
NPI 1881677524
Psychologist - Clinical in Saint Louis, MO

NPI Status: Active since November 28, 2005

Contact Information

777 S NEW BALLAS RD
SAINT LOUIS, MO
ZIP 63141
Phone: (314) 569-0655
Fax: (314) 569-0605

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  • Individual
  • Female
  • Psychologist
  • Clinical

About JENNIFER HASAK

This page provides the complete NPI Profile along with additional information for Jennifer Hasak, a provider established in Saint Louis, Missouri with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1881677524 assigned on November 2005. The practitioner's primary taxonomy code is 103TC0700X with license number R0021 (MO). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1881677524
Provider Name
JENNIFER K HASAK PH.D.
Gender
Female
Entity Type
Individual
Location Address
777 S NEW BALLAS RD SAINT LOUIS, MO 63141
Location Phone
(314) 569-0655
Location Fax
(314) 569-0605
Mailing Address
313 ALTUS PL KIRKWOOD, MO 63122
Mailing Phone
(314) 965-6311
Mailing Fax
(314) 569-0605
Is Sole Proprietor?
Yes
Enumeration Date
11-28-2005
Last Update Date
07-09-2007
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A clinical psychologist like Jennifer Hasak assesses, diagnoses, and treats mental, emotional, and behavioral disorders. Clinical psychologists help people deal with problems ranging from short-term personal issues to severe, chronic conditions. Clinical psychologists interview patients, give diagnostic tests, provide psychotherapy and design behavior modification programs to help patients.

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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
R0021
License State
MO
Taxonomy Description
A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

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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 1881677524, 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
8
Doubled → 16 → 1 + 6
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
5
Unchanged
Pos 9
2
Doubled → 4
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 8 → 16 → 7 6 → 12 → 3 7 → 14 → 5 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 6 + 1 + 1 + 2 + 7 + 1 + 4 + 5 + 4 + 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 1881677524.

Other Providers at the Same Location


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

Otolaryngology (Facial Plastic Surgery)
777 S NEW BALLAS RD, STE 320E
SAINT LOUIS, MO 63141
Dentist (General Practice)
777 S NEW BALLAS RD, SUITE 310-WEST
SAINT LOUIS, MO 63141
Dentist (General Practice)
777 S NEW BALLAS RD, SUITE 217 EAST
CREVE COEUR, MO 63141
Psychologist (Clinical)
777 S NEW BALLAS RD, SUITE 331E
SAINT LOUIS, MO 63141
Internal Medicine
777 S NEW BALLAS RD, SUITE 321E
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Psychiatry)
777 S NEW BALLAS RD, STE 326W
ST LOUIS, MO 63141
Pediatrics
777 S NEW BALLAS RD, SUITE 107-W
SAINT LOUIS, MO 63141
Pediatrics
777 S NEW BALLAS RD, SUITE 107-W
SAINT LOUIS, MO 63141
Internal Medicine (Clinical Cardiac Electrophysiology)
777 S NEW BALLAS RD, SUITE 300E
SAINT LOUIS, MO 63141
Dentist
777 S NEW BALLAS RD, STE 225W
ST LOUIS, MO 63141
Dentist
777 S NEW BALLAS RD, SUITE 225W
ST LOUIS, MO 63141
Dentist (Prosthodontics)
777 S NEW BALLAS RD, SUITE 318 W
SAINT LOUIS, MO 63141
Dentist (General Practice)
777 S NEW BALLAS RD, SUITE 202W
CREVE COEUR, MO 63141
Dentist (General Practice)
777 S NEW BALLAS RD, SUITE 213W
SAINT LOUIS, MO 63141
Allergy & Immunology (Allergy)
777 S NEW BALLAS RD, SUITE 216W
SAINT LOUIS, MO 63141
Dentist (General Practice)
777 S NEW BALLAS RD, SUITE 308-E
SAINT LOUIS, MO 63141
Psychiatry & Neurology (Psychiatry)
777 S NEW BALLAS RD, SUITE 327W
SAINT LOUIS, MO 63141
Dentist (Prosthodontics)
777 S NEW BALLAS RD, SUITE 213-E
SAINT LOUIS, MO 63141
Counselor (Mental Health)
777 S NEW BALLAS RD, STE. 129W
SAINT LOUIS, MO 63141
Optometrist
777 S NEW BALLAS RD, SUITE 129 EAST
SAINT LOUIS, MO 63141

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1881677524, enumerated as an "individual" on November 28, 2005.

The provider is located at 777 S NEW BALLAS RD SAINT LOUIS, MO 63141 and the phone number is (314) 569-0655.

Psychologist with taxonomy code 103TC0700X and a focus in Clinical.