DR. CHRISTINA FLAHERTY CALLAHAN DC
NPI 1649339474
Chiropractor in Campbell, CA

NPI Status: Active since December 07, 2006

Contact Information

201 E HAMILTON AVE
CAMPBELL, CA
ZIP 95008
Phone: (408) 376-0900
Fax: (408) 376-0886

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  • Individual
  • Female
  • Chiropractor

About CHRISTINA CALLAHAN

This page provides the complete NPI Profile along with additional information for Christina Callahan, a provider established in Campbell, California with a medical specialization in Chiropractor. The healthcare provider is registered in the NPI registry with number 1649339474 assigned on December 2006. The practitioner's primary taxonomy code is 111N00000X with license number DC29490 (CA). The provider is registered as an individual and her NPI record was last updated 18 years ago.

NPI
1649339474
Provider Name
DR. CHRISTINA FLAHERTY CALLAHAN DC
Gender
Female
Entity Type
Individual
Location Address
201 E HAMILTON AVE CAMPBELL, CA 95008
Location Phone
(408) 376-0900
Location Fax
(408) 376-0886
Mailing Address
201 E HAMILTON AVE CAMPBELL, CA 95008
Mailing Phone
(408) 376-0900
Mailing Fax
(408) 376-0886
Is Sole Proprietor?
Yes
Enumeration Date
12-07-2006
Last Update Date
12-05-2008
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A chiropractor like Christina Callahan 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.
DC29490
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 1649339474, 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
6
Unchanged
Pos 3
4
Doubled → 8
Pos 4
9
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
4
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 4 → 8 3 → 6 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 + 6 + 8 + 9 + 6 + 3 + 1 + 8 + 4 + 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 1649339474.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Massage Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapy Assistant
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapy Assistant
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008
Physical Therapist
201 E HAMILTON AVE
CAMPBELL, CA 95008

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1649339474, enumerated as an "individual" on December 07, 2006.

The provider is located at 201 E HAMILTON AVE CAMPBELL, CA 95008 and the phone number is (408) 376-0900.

Chiropractor with taxonomy code 111N00000X.