DR. CHRISTOPHER FLINT O'BRIEN M.D.
NPI 1851535025
Neuromusculoskeletal Medicine & OMM in San Diego, CA

NPI Status: Active since April 30, 2009

Contact Information

3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA
ZIP 92161
Phone: (858) 642-3197

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  • Individual
  • Male
  • Neuromusculoskeletal Medicine & OMM

About CHRISTOPHER O'BRIEN

This page provides the complete NPI Profile along with additional information for Christopher O'brien, a provider established in San Diego, California with a medical specialization in Neuromusculoskeletal Medicine & Omm. The healthcare provider is registered in the NPI registry with number 1851535025 assigned on April 2009. The practitioner's primary taxonomy code is 204D00000X with license number G86756 (CA). The provider is registered as an individual and his NPI record was last updated 17 years ago.

NPI
1851535025
Provider Name
DR. CHRISTOPHER FLINT O'BRIEN M.D.
Gender
Male
Entity Type
Individual
Location Address
3350 LA JOLLA VILLAGE DR SAN DIEGO, CA 92161
Location Phone
(858) 642-3197
Mailing Address
1030 CALAVERAS DR SAN DIEGO, CA 92107
Mailing Phone
(619) 226-2556
Is Sole Proprietor?
No
Enumeration Date
04-30-2009
Last Update Date
04-30-2009
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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

Neuromusculoskeletal Medicine & OMM

Taxonomy Code
204D00000X
Type
Allopathic & Osteopathic Physicians
License No.
G86756
License State
CA
Taxonomy Description
The Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine physician directs special attention to the neuromusculoskeletal system and its interaction with other body systems. Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine encompasses increased knowledge and understanding of osteopathic principles and practice and heightened technical skills of osteopathic manipulative medicine, and integrates each of these into the management of pediatric, adolescent, adult, and geriatric patients.

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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 1851535025, we treat the final digit (5) 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 45. The final step is to find the difference between that total and the next multiple of ten (50 - 45 = 5).

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
8
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
1
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
0
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 5 → 10 → 1 5 → 10 → 1 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 0 + 1 + 1 + 0 + 3 + 1 + 0 + 0 + 4 + 24 = 45

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

The next multiple of ten after 45 is 50. The difference is the calculated check digit.

50 - 45 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1851535025.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Pharmacist (Psychiatric)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Social Worker (Clinical)
3350 LA JOLLA VILLAGE DR, SWS-122
SAN DIEGO, CA 92161
Pathology (Anatomic Pathology & Clinical Pathology)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine (Endocrinology, Diabetes & Metabolism)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine (Infectious Disease)
3350 LA JOLLA VILLAGE DR, VASDHCS INFECTIOUS DISEASE 111F
SAN DIEGO, CA 92161
Internal Medicine
3350 LA JOLLA VILLAGE DR, 11H
SAN DIEGO, CA 92161
Nurse Practitioner (Family)
3350 LA JOLLA VILLAGE DR, MAIL CODE 118
SAN DIEGO, CA 92161
Internal Medicine (Hematology & Oncology)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Psychiatry & Neurology (Psychiatry)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine (Pulmonary Disease)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Social Worker (Clinical)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Occupational Therapist
3350 LA JOLLA VILLAGE DR, VASDHCS, SCI OT 128T
SAN DIEGO, CA 92161
Internal Medicine (Gastroenterology)
3350 LA JOLLA VILLAGE DR, VA SAN DIEGO HEALTHCARE SYSTEM
SAN DIEGO, CA 92161
Social Worker
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Internal Medicine
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Nurse Practitioner (Family)
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161
Physical Medicine & Rehabilitation
3350 LA JOLLA VILLAGE DR
SAN DIEGO, CA 92161

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1851535025, enumerated as an "individual" on April 30, 2009.

The provider is located at 3350 LA JOLLA VILLAGE DR SAN DIEGO, CA 92161 and the phone number is (858) 642-3197.

Neuromusculoskeletal Medicine & OMM with taxonomy code 204D00000X.