ERIC GEIER, MD, PHD, INC.
NPI 1699659102
Psychiatry & Neurology - Psychiatry in La Jolla, CA

NPI Status: Active since August 05, 2025

Contact Information

8950 VILLA LA JOLLA DR STE A215
LA JOLLA, CA
ZIP 92037
Phone: (619) 887-4407

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  • Organization
  • Psychiatry & Neurology
  • Psychiatry

About ERIC GEIER, MD, PHD, INC.

This page provides the complete NPI Profile along with additional information for Eric Geier, Md, Phd, Inc., a provider established in La Jolla, California operating as a Psychiatry & Neurology, focusing in psychiatry . The healthcare provider is registered in the NPI registry with number 1699659102 assigned on August 2025. The practitioner's primary taxonomy code is 2084P0800X. The provider is registered as an organization and their NPI record was last updated one year ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Eric Geier Md (President)

NPI
1699659102
Provider Name
ERIC GEIER, MD, PHD, INC.
Entity Type
Organization
Location Address
8950 VILLA LA JOLLA DR STE A215 LA JOLLA, CA 92037
Location Phone
(619) 887-4407
Mailing Address
8950 VILLA LA JOLLA DR STE A215 LA JOLLA, CA 92037
Mailing Phone
(619) 887-4407
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-05-2025
Last Update Date
08-05-2025
Code Navigator

A psychiatrist like Eric Geier, Md, Phd, Inc. are primary mental health physicians diagnose and treat mental illnesses through psychotherapy, psychoanalysis, hospitalization and medication. Psychiatrist help patients find solutions through changes in their behavioral patterns, explorations of experiences, group and family therapy.

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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

Psychiatry & Neurology Psychiatry

Taxonomy Code
2084P0800X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A Psychiatrist specializes in the prevention, diagnosis, and treatment of mental disorders, emotional disorders, psychotic disorders, mood disorders, anxiety disorders, substance-related disorders, sexual and gender identity disorders and adjustment disorders. Biologic, psychological, and social components of illnesses are explored and understood in treatment of the whole person. Tools used may include diagnostic laboratory tests, prescribed medications, evaluation and treatment of psychological and interpersonal problems with individuals and families, and intervention for coping with stress, crises, and other problems.

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area 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

ERIC GEIER MD

Authorized Official Title
PRESIDENT
Authorized Official Phone
(765) 661-9069

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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 1699659102, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
1
Unchanged
Pos 9
0
Doubled → 0
Check
2
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 6 → 12 → 3 9 → 18 → 9 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 1 + 2 + 5 + 1 + 8 + 1 + 0 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1699659102.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Psychiatry & Neurology (Child & Adolescent Psychiatry)
8950 VILLA LA JOLLA DR STE A215
LA JOLLA, CA 92037
Psychiatry & Neurology (Psychiatry)
8950 VILLA LA JOLLA DR STE A215
LA JOLLA, CA 92037
Marriage & Family Therapist
8950 VILLA LA JOLLA DR STE A215
LA JOLLA, CA 92037
Psychiatry & Neurology (Psychiatry)
8950 VILLA LA JOLLA DR STE A215
LA JOLLA, CA 92037
Psychiatry & Neurology (Psychiatry)
8950 VILLA LA JOLLA DR STE A215
LA JOLLA, CA 92037

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699659102, enumerated as an "organization" on August 05, 2025.

The provider is located at 8950 VILLA LA JOLLA DR STE A215 LA JOLLA, CA 92037 and the phone number is (619) 887-4407.

Psychiatry & Neurology with taxonomy code 2084P0800X and a focus in Psychiatry.