SIGAL MEDICAL GROUP
NPI 1972652543
Clinical Neuropsychologist in Oakland, CA

NPI Status: Active since January 10, 2007

Contact Information

4174 PARK BLVD
STE C
OAKLAND, CA
ZIP 94602
Phone: (510) 530-0170
Fax: (510) 530-0171

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  • Organization
  • Clinical Neuropsychologist

About SIGAL MEDICAL GROUP

This page provides the complete NPI Profile along with additional information for Sigal Medical Group, a provider established in Oakland, California operating as a Clinical Neuropsychologist. The healthcare provider is registered in the NPI registry with number 1972652543 assigned on January 2007. The practitioner's primary taxonomy code is 103G00000X. The provider is registered as an organization and their NPI record was last updated one year ago. Sigal Medical Group 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. Henry A Sigal M.d. (President)

NPI
1972652543
Provider Name
SIGAL MEDICAL GROUP
Entity Type
Organization
Location Address
4174 PARK BLVD STE C OAKLAND, CA 94602
Location Phone
(510) 530-0170
Location Fax
(510) 530-0171
Mailing Address
4174 PARK BLVD STE C OAKLAND, CA 94602
Mailing Phone
(510) 530-0170
Mailing Fax
(510) 530-0171
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
01-10-2007
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

Clinical Neuropsychologist

Taxonomy Code
103G00000X
Type
Behavioral Health & Social Service Providers
Taxonomy Description
A clinical psychologist who applies principles of assessment and intervention based upon the scientific study of human behavior as it relates to normal and abnormal functioning of the central nervous system. The specialty is dedicated to enhancing the understanding of brain-behavior relationships and the application of such knowledge to human problems.

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)
1207RC0000XAllopathic & Osteopathic Physicians

Internal Medicine
Cardiovascular Disease

 
22084N0400XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Neurology

 
32084P0800XAllopathic & Osteopathic Physicians

Psychiatry & Neurology
Psychiatry

 

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. HENRY A SIGAL M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(510) 530-0170

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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 1972652543, we treat the final digit (3) 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 3).

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
9
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
2
Doubled → 4
Pos 8
5
Unchanged
Pos 9
4
Doubled → 8
Check
3
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 7 → 14 → 5 6 → 12 → 3 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 4 + 2 + 1 + 2 + 5 + 4 + 5 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1972652543.

Other Providers at the Same Location


The following 4 providers are registered at the same or a nearby location.

Dentist (General Practice)
4174 PARK BLVD
OAKLAND, CA 94602
Dentist
4174 PARK BLVD
OAKLAND, CA 94602
Dentist
4174 PARK BLVD, SUITE A
OAKLAND, CA 94602
Dentist (General Practice)
4174 PARK BLVD
OAKLAND, CA 94602

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1972652543, enumerated as an "organization" on January 10, 2007.

The provider is located at 4174 PARK BLVD STE C OAKLAND, CA 94602 and the phone number is (510) 530-0170.

Clinical Neuropsychologist with taxonomy code 103G00000X.