DR. ROBERT HOLDEN HIRSCH DC
NPI 1548344724
Chiropractor in San Leandro, CA

NPI Status: Active since October 25, 2006

Contact Information

16570 ROLANDO AVE
SAN LEANDRO, CA
ZIP 94578
Phone: (510) 918-3486
Fax: (510) 276-1431

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  • Individual
  • Male
  • Chiropractor

About ROBERT HIRSCH

This page provides the complete NPI Profile along with additional information for Robert Hirsch, a provider established in San Leandro, California with a medical specialization in Chiropractor. The healthcare provider is registered in the NPI registry with number 1548344724 assigned on October 2006. The practitioner's primary taxonomy code is 111N00000X with license number DC22003 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1548344724
Provider Name
DR. ROBERT HOLDEN HIRSCH DC
Gender
Male
Entity Type
Individual
Location Address
16570 ROLANDO AVE SAN LEANDRO, CA 94578
Location Phone
(510) 918-3486
Location Fax
(510) 276-1431
Mailing Address
20993 FOOTHILL BLVD #128 HAYWARD, CA 94541
Mailing Phone
(510) 918-3486
Mailing Fax
(510) 276-1431
Is Sole Proprietor?
Yes
Enumeration Date
10-25-2006
Last Update Date
07-08-2007
Code Navigator

A chiropractor like Robert Hirsch helps patients with problems of the neuromusculoskeletal system, which includes nerves, bones, muscles, ligaments, and tendons. Chiropractors use spinal adjustments and manipulation, as well as other clinical interventions, to manage health issues such as back and neck pain. Some chiropractors apply procedures like massage therapy, rehabilitative exercise, ultrasound and spinal adjustments and manipulation. A chiropractor focuses on the patients overall health and might refer patients to other healthcare professionals if necessary.

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

Chiropractor

Taxonomy Code
111N00000X
Type
Chiropractic Providers
License No.
DC22003
License State
CA
Taxonomy Description
A provider qualified by a Doctor of Chiropractic (D.C.), licensed by the State and who practices chiropractic medicine -that discipline within the healing arts which deals with the nervous system and its relationship to the spinal column and its interrelationship with other body systems.

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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 1548344724, 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
4
Doubled → 8
Pos 4
8
Unchanged
Pos 5
3
Doubled → 6
Pos 6
4
Unchanged
Pos 7
4
Doubled → 8
Pos 8
7
Unchanged
Pos 9
2
Doubled → 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 4 → 8 3 → 6 4 → 8 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 8 + 8 + 6 + 4 + 8 + 7 + 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 1548344724.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1548344724, enumerated as an "individual" on October 25, 2006.

The provider is located at 16570 ROLANDO AVE SAN LEANDRO, CA 94578 and the phone number is (510) 918-3486.

Chiropractor with taxonomy code 111N00000X.