MS. MERRILEE O'BRIEN LMFT
NPI 1538209218
Counselor - Mental Health in Torrance, CA

NPI Status: Active since February 08, 2007

Contact Information

3333 SKYPARK DR
220
TORRANCE, CA
ZIP 90505
Phone: (310) 257-5776
Fax: (310) 257-5753

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  • Individual
  • Female
  • Counselor
  • Mental Health

About MERRILEE O'BRIEN

This page provides the complete NPI Profile along with additional information for Merrilee O'brien, a provider established in Torrance, California with a medical specialization in Counselor, focusing in mental health . The healthcare provider is registered in the NPI registry with number 1538209218 assigned on February 2007. The practitioner's primary taxonomy code is 101YM0800X with license number MFC30075 (CA). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1538209218
Provider Name
MS. MERRILEE O'BRIEN LMFT
Gender
Female
Entity Type
Individual
Location Address
3333 SKYPARK DR 220 TORRANCE, CA 90505
Location Phone
(310) 257-5776
Location Fax
(310) 257-5753
Mailing Address
PO BOX 1596 VISTA, CA 92085
Mailing Phone
(310) 257-5776
Mailing Fax
(310) 257-5753
Is Sole Proprietor?
Yes
Enumeration Date
02-08-2007
Last Update Date
07-08-2007
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A mental health counselor like Merrilee O'brien provides treatment to individuals, families, couples, and groups for mental and emotional health issues and relationship problems. Mental health counselors treat clients with a variety of conditions, including anxiety, depression, grief, low self-esteem, stress, and suicidal impulses.

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

Counselor Mental Health

Taxonomy Code
101YM0800X
Type
Behavioral Health & Social Service Providers
License No.
MFC30075
License State
CA

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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 1538209218, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 4 + 0 + 1 + 8 + 2 + 2 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1538209218.

Other Providers at the Same Location


The following 17 providers are registered at the same or a nearby location.

Internal Medicine
3333 SKYPARK DR, STE 240
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, STE 100
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, SUITE #100
TORRANCE, CA 90505
Psychiatry & Neurology (Psychiatry)
3333 SKYPARK DR, 220
TORRANCE, CA 90505
Psychologist (Clinical)
3333 SKYPARK DR, SUITE 220
TORRANCE, CA 90505
Psychiatry & Neurology (Psychiatry)
3333 SKYPARK DR, SUITE 220
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505
Marriage & Family Therapist
3333 SKYPARK DR, 220
TORRANCE, CA 90505
Psychologist (Clinical)
3333 SKYPARK DR, SUITE 220
TORRANCE, CA 90505
Nurse Practitioner (Family)
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505
Nurse Practitioner (Family)
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505
Nurse Practitioner
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505
Marriage & Family Therapist
3333 SKYPARK DR, SUITE 220
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, STE 160
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505
Family Medicine
3333 SKYPARK DR, SUITE 100
TORRANCE, CA 90505

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538209218, enumerated as an "individual" on February 08, 2007.

The provider is located at 3333 SKYPARK DR 220 TORRANCE, CA 90505 and the phone number is (310) 257-5776.

Counselor with taxonomy code 101YM0800X and a focus in Mental Health.