DR. JOHN MARK LARSEN M.D.
NPI 1578610739
Neuromusculoskeletal Medicine, Sports Medicine in Oxnard, CA
NPI Status: Active since January 03, 2007
Contact Information
1700 LOMBARD ST
SUITE 110
OXNARD, CA
ZIP 93030
Phone: (805) 988-6510
Fax: (805) 988-6550
- Individual
- Male
- Neuromusculoskeletal Medicine, Sports Me...
About JOHN LARSEN
This page provides the complete NPI Profile along with additional information for John Larsen, a provider established in Oxnard, California with a medical specialization in Neuromusculoskeletal Medicine, Sports Medicine. The healthcare provider is registered in the NPI registry with number 1578610739 assigned on January 2007. The practitioner's primary taxonomy code is 204C00000X with license number G61959 (CA). The provider is registered as an individual and his NPI record was last updated 19 years ago.
- NPI
- 1578610739
- Provider Name
- DR. JOHN MARK LARSEN M.D.
- Gender
- Male
- Entity Type
- Individual
- Location Address
- 1700 LOMBARD ST SUITE 110 OXNARD, CA 93030
- Location Phone
- (805) 988-6510
- Location Fax
- (805) 988-6550
- Mailing Address
- 1700 LOMBARD ST SUITE 110 OXNARD, CA 93030
- Mailing Phone
- (805) 988-6510
- Mailing Fax
- (805) 988-6550
- Is Sole Proprietor?
- Yes
- Enumeration Date
- 01-03-2007
- Last Update Date
- 07-08-2007
- Code Navigator
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
Neuromusculoskeletal Medicine, Sports Medicine
- Taxonomy Code
- 204C00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- G61959
- License State
- CA
- Taxonomy Description
- A Neuromusculoskeletal Medicine and Osteopathic Manipulative Medicine physician trained to be responsible for the continuous care in the field of sports 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 the individual engaged in physical exercise (sports) whether as an individual or in team participation. Source: American Osteopathic Association Additional Resources: AOA Osteopathic Board Certification in Neuromusculoskeletal Medicine; https://certification.osteopathic.org/sports-medicine/
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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 1578610739, we treat the final digit (9) 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 9).
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.
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.
Step 2: Add all digits plus the NPI constant
Add the transformed values, the unchanged digits, and the constant 24.
Step 3: Find the amount needed to reach the next multiple of 10
The next multiple of ten after 61 is 70. The difference is the calculated check digit.
Other Providers at the Same Location
The following 11 providers are registered at the same or a nearby location.
OXNARD, CA 93030
OXNARD, CA 93030
OXNARD, CA 93030
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1578610739, enumerated as an "individual" on January 03, 2007.
The provider is located at 1700 LOMBARD ST SUITE 110 OXNARD, CA 93030 and the phone number is (805) 988-6510.
Neuromusculoskeletal Medicine, Sports Medicine with taxonomy code 204C00000X.
