SEAN TSAI D O PROFESSIONAL CORPORATION
NPI 1780776013
Neuromusculoskeletal Medicine & OMM in South Pasadena, CA
NPI Status: Active since September 28, 2006
Contact Information
1108 FREMONT AVE.
SOUTH PASADENA, CA
ZIP 91030
Phone: (626) 793-0660
Fax: (626) 793-0660
- Organization
- Neuromusculoskeletal Medicine & OMM
About SEAN TSAI D O PROFESSIONAL CORPORATION
This page provides the complete NPI Profile along with additional information for Sean Tsai D O Professional Corporation, a provider established in South Pasadena, California operating as a Neuromusculoskeletal Medicine & Omm. The healthcare provider is registered in the NPI registry with number 1780776013 assigned on September 2006. The practitioner's primary taxonomy code is 204D00000X with license number 20A7930 (CA). The provider is registered as an organization and their NPI record was last updated January 2026. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Sean I-hsin Tsai D.o. (President)
- NPI
- 1780776013
- Provider Name
- SEAN TSAI D O PROFESSIONAL CORPORATION
- Entity Type
- Organization
- Location Address
- 1108 FREMONT AVE. SOUTH PASADENA, CA 91030
- Location Phone
- (626) 793-0660
- Location Fax
- (626) 793-0660
- Mailing Address
- 1108 FREMONT AVE SOUTH PASADENA, CA 91030
- Mailing Phone
- (626) 793-0660
- Mailing Fax
- (626) 793-0660
- Is Sole Proprietor?
- No
- Is Organization Subpart?
- No
- Enumeration Date
- 09-28-2006
- Last Update Date
- 01-15-2026
- 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 & OMM
- Taxonomy Code
- 204D00000X
- Type
- Allopathic & Osteopathic Physicians
- License No.
- 20A7930
- 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.
Group Taxonomy 193400000X SINGLE SPECIALTY GROUP
This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.
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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 1780776013, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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.
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 57 is 60. The difference is the calculated check digit.
Frequently Asked Questions
The NPI number assigned to this healthcare provider is 1780776013, enumerated as an "organization" on September 28, 2006.
The provider is located at 1108 FREMONT AVE. SOUTH PASADENA, CA 91030 and the phone number is (626) 793-0660.
Neuromusculoskeletal Medicine & OMM with taxonomy code 204D00000X.
