ONO PSYCHOLOGICAL PROFESSIONAL CORPORATION
NPI 1114808334
Clinic/Center - Mental Health (Including Community Mental Health Center) in Alameda, CA

NPI Status: Active since September 12, 2025

Contact Information

1335 PARK AVE STE A
ALAMEDA, CA
ZIP 94501
Phone: (510) 221-6869

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  • Organization
  • Clinic/Center
  • Mental Health (Including Community Menta...

About ONO PSYCHOLOGICAL PROFESSIONAL CORPORATION

This page provides the complete NPI Profile along with additional information for Ono Psychological Professional Corporation, a provider established in Alameda, California operating as a Clinic/center, focusing in mental health (including community mental health center) . The healthcare provider is registered in the NPI registry with number 1114808334 assigned on September 2025. The practitioner's primary taxonomy code is 261QM0801X. The provider is registered as an organization and their NPI record was last updated one year ago. The authorized official of this NPI record is Susan Ayako Ono Mochizuki Psy.d (Owner)

NPI
1114808334
Provider Name
ONO PSYCHOLOGICAL PROFESSIONAL CORPORATION
Entity Type
Organization
Location Address
1335 PARK AVE STE A ALAMEDA, CA 94501
Location Phone
(510) 221-6869
Mailing Address
1335 PARK AVE STE A ALAMEDA, CA 94501
Mailing Phone
(510) 221-6869
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
09-12-2025
Last Update Date
09-12-2025
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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

Clinic/Center Mental Health (Including Community Mental Health Center)

Taxonomy Code
261QM0801X
Type
Ambulatory Health Care Facilities

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

SUSAN AYAKO ONO MOCHIZUKI PSY.D

Authorized Official Title
OWNER
Authorized Official Phone
(510) 333-7293

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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 1114808334, 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 56. The final step is to find the difference between that total and the next multiple of ten (60 - 56 = 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
1
Unchanged
Pos 3
1
Doubled → 2
Pos 4
4
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
0
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
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 1 → 2 8 → 16 → 7 8 → 16 → 7 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 2 + 4 + 1 + 6 + 0 + 1 + 6 + 3 + 6 + 24 = 56

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

The next multiple of ten after 56 is 60. The difference is the calculated check digit.

60 - 56 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1114808334.

Other Providers at the Same Location


The following 3 providers are registered at the same or a nearby location.

Marriage & Family Therapist
1335 PARK AVE STE A
ALAMEDA, CA 94501
Social Worker (Clinical)
1335 PARK AVE STE A
ALAMEDA, CA 94501
Marriage & Family Therapist
1335 PARK AVE STE A
ALAMEDA, CA 94501

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1114808334, enumerated as an "organization" on September 12, 2025.

The provider is located at 1335 PARK AVE STE A ALAMEDA, CA 94501 and the phone number is (510) 221-6869.

Clinic/Center with taxonomy code 261QM0801X and a focus in Mental Health (Including Community Mental Health Center).