CLIPSON & OSTERLOH, APC
NPI 1669582979
Psychologist - Forensic in San Diego, CA

NPI Status: Active since August 30, 2006

Contact Information

3921 GOLDFINCH ST
SAN DIEGO, CA
ZIP 92103
Phone: (619) 260-0335
Fax: (619) 260-1682

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  • Organization
  • Psychologist
  • Forensic

About CLIPSON & OSTERLOH, APC

This page provides the complete NPI Profile along with additional information for Clipson & Osterloh, Apc, a provider established in San Diego, California operating as a Psychologist, focusing in forensic . The healthcare provider is registered in the NPI registry with number 1669582979 assigned on August 2006. The practitioner's primary taxonomy code is 103TF0200X with license number PSY 7669 (CA). The provider is registered as an organization and their NPI record was last updated one year ago. Clipson & Osterloh, Apc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Dr. Clark Richard Clipson Ph D (Psychologist)

NPI
1669582979
Provider Name
CLIPSON & OSTERLOH, APC
Entity Type
Organization
Location Address
3921 GOLDFINCH ST SAN DIEGO, CA 92103
Location Phone
(619) 260-0335
Location Fax
(619) 260-1682
Mailing Address
3921 GOLDFINCH ST SAN DIEGO, CA 92103
Mailing Phone
(619) 260-0335
Mailing Fax
(619) 260-1682
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-30-2006
Last Update Date
09-11-2025
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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 Forensic

Taxonomy Code
103TF0200X
Type
Behavioral Health & Social Service Providers
License No.
PSY 7669
License State
CA
Taxonomy Description
A psychologist whose specialty is characterized by activities primarily intended to provide professional psychological expertise within the judicial and legal systems.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1103G00000XBehavioral Health & Social Service Providers

Clinical Neuropsychologist

PSY 7669 (CA)
2103TC0700XBehavioral Health & Social Service Providers

Psychologist
Clinical

PSY 7669 (CA)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. CLARK RICHARD CLIPSON PH D

Authorized Official Title
PSYCHOLOGIST
Authorized Official Phone
(619) 260-0335

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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 1669582979, 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
8
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 6 → 12 → 3 5 → 10 → 1 2 → 4 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 0 + 8 + 4 + 9 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1669582979.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Psychologist (Clinical)
3921 GOLDFINCH ST
SAN DIEGO, CA 92103
Psychologist (Clinical)
3921 GOLDFINCH ST
SAN DIEGO, CA 92103
Marriage & Family Therapist
3921 GOLDFINCH ST
SAN DIEGO, CA 92103
Psychologist (Clinical)
3921 GOLDFINCH ST
SAN DIEGO, CA 92103
Psychologist (Clinical)
3921 GOLDFINCH ST
SAN DIEGO, CA 92103
Psychologist (Clinical)
3921 GOLDFINCH ST
SAN DIEGO, CA 92103

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669582979, enumerated as an "organization" on August 30, 2006.

The provider is located at 3921 GOLDFINCH ST SAN DIEGO, CA 92103 and the phone number is (619) 260-0335.

Psychologist with taxonomy code 103TF0200X and a focus in Forensic.