DR. TRACY CARMELA HALSTEAD PSY.D.
NPI 1295049336
Psychologist - Clinical in Marina Del Rey, CA

NPI Status: Active since July 30, 2010

Contact Information

3007 WASHINGTON BLVD
SUITE 230B
MARINA DEL REY, CA
ZIP 90292
Phone: (310) 306-2020
Fax: (310) 305-8407

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  • Individual
  • Female
  • Psychologist
  • Clinical

About TRACY HALSTEAD

This page provides the complete NPI Profile along with additional information for Tracy Halstead, a provider established in Marina Del Rey, California with a medical specialization in Psychologist, focusing in clinical . The healthcare provider is registered in the NPI registry with number 1295049336 assigned on July 2010. The practitioner's primary taxonomy code is 103TC0700X with license number PSY23345 (CA). The provider is registered as an individual and her NPI record was last updated 16 years ago.

NPI
1295049336
Provider Name
DR. TRACY CARMELA HALSTEAD PSY.D.
Gender
Female
Entity Type
Individual
Location Address
3007 WASHINGTON BLVD SUITE 230B MARINA DEL REY, CA 90292
Location Phone
(310) 306-2020
Location Fax
(310) 305-8407
Mailing Address
3007 WASHINGTON BLVD SUITE 230B MARINA DEL REY, CA 90292
Mailing Phone
(310) 306-2020
Mailing Fax
(310) 305-8407
Is Sole Proprietor?
Yes
Enumeration Date
07-30-2010
Last Update Date
07-30-2010
Code Navigator

A clinical psychologist like Tracy Halstead 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.

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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

Psychologist Clinical

Taxonomy Code
103TC0700X
Type
Behavioral Health & Social Service Providers
License No.
PSY23345
License State
CA
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 1295049336, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
0
Doubled → 0
Pos 6
4
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
6
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 9 → 18 → 9 0 → 0 9 → 18 → 9 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 0 + 4 + 1 + 8 + 3 + 6 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1295049336.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295049336, enumerated as an "individual" on July 30, 2010.

The provider is located at 3007 WASHINGTON BLVD SUITE 230B MARINA DEL REY, CA 90292 and the phone number is (310) 306-2020.

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