Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 30 days.

IRINA NEYMARK SCHOOL COUNSELOR PPS
NPI 1538089974
Counselor in Fremont, CA

Active since July 16, 2026
41717 PALM AVE, FREMONT, CA 94539(510) 657-3600 Get Directions Write a Review

NPPES record added: July 16, 2026. Verified against the NPPES registry weekly; last sync: July 19, 2026.

  • Individual
  • Female
  • Counselor

About IRINA NEYMARK

This page provides the complete NPI Profile along with additional information for Irina Neymark, a provider established in Fremont, California with a medical specialization in Counselor. The healthcare provider is registered in the NPI registry with number 1538089974 assigned on July 2026. The practitioner's primary taxonomy code is 101Y00000X with license number 260137801 (CA). The provider is registered as an individual and her NPI record was last updated July 2026.

NPI
1538089974
Provider Name
IRINA NEYMARK SCHOOL COUNSELOR PPS
Gender
Female
Entity Type
Individual
Location Address
41717 PALM AVE FREMONT, CA 94539
Location Phone
(510) 657-3600
Mailing Address
41717 PALM AVE FREMONT, CA 94539
Is Sole Proprietor?
No
Enumeration Date
07-16-2026
Last Update Date
07-16-2026
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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

Taxonomy Code
101Y00000X
Type
Behavioral Health & Social Service Providers
License No.
260137801
License State
CA
Taxonomy Description
A provider who is trained and educated in the performance of behavior health services through interpersonal communications and analysis. Training and education at the specialty level usually requires a master's degree and clinical experience and supervision for licensure or certification.

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)
1106H00000XBehavioral Health & Social Service Providers

Marriage & Family Therapist

163993 (CA)

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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 1538089974, 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 76. The final step is to find the difference between that total and the next multiple of ten (80 - 76 = 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
5
Unchanged
Pos 3
3
Doubled → 6
Pos 4
8
Unchanged
Pos 5
0
Doubled → 0
Pos 6
8
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
9
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 3 → 6 0 → 0 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 6 + 8 + 0 + 8 + 1 + 8 + 9 + 1 + 4 + 24 = 76

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

The next multiple of ten after 76 is 80. The difference is the calculated check digit.

80 - 76 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1538089974.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Community/Behavioral Health
41717 PALM AVE
FREMONT, CA 94539
Specialist/Technologist (Athletic Trainer)
41717 PALM AVE
FREMONT, CA 94539
Counselor (School)
41717 PALM AVE
FREMONT, CA 94539
Counselor (School)
41717 PALM AVE
FREMONT, CA 94539
Psychologist (School)
41717 PALM AVE
FREMONT, CA 94539
Counselor (School)
41717 PALM AVE
FREMONT, CA 94539
Health and Wellness Coach
41717 PALM AVE
FREMONT, CA 94539
Psychologist (School)
41717 PALM AVE
FREMONT, CA 94539

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1538089974, enumerated as an "individual" on July 16, 2026.

The provider is located at 41717 PALM AVE FREMONT, CA 94539 and the phone number is (510) 657-3600.

Counselor with taxonomy code 101Y00000X.