DAVID B. TSAI, M.D., P.A.
NPI 1952378556
Preventive Medicine - Sports Medicine in Austin, TX

NPI Status: Active since March 02, 2006

Contact Information

210 BARTON SPRINGS RD
SUITE 200
AUSTIN, TX
ZIP 78704
Phone: (512) 708-8834
Fax: (512) 708-8131

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  • Organization
  • Preventive Medicine
  • Sports Medicine

About DAVID B. TSAI, M.D., P.A.

This page provides the complete NPI Profile along with additional information for David B. Tsai, M.d., P.a., a provider established in Austin, Texas operating as a Preventive Medicine, focusing in sports medicine . The healthcare provider is registered in the NPI registry with number 1952378556 assigned on March 2006. The practitioner's primary taxonomy code is 2083S0010X with license number L0666 (TX). The provider is registered as an organization and their NPI record was last updated one year ago. David B. Tsai, M.d., P.a. operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The provider's . The authorized official of this NPI record is David B. Tsai M.d. (Owner/physician)

NPI
1952378556
Provider Legal Name
DAVID B. TSAI, M.D., P.A.
Other Organization Name
Other Name Type
(6)
Entity Type
Organization
Location Address
210 BARTON SPRINGS RD SUITE 200 AUSTIN, TX 78704
Location Phone
(512) 708-8834
Location Fax
(512) 708-8131
Mailing Address
210 BARTON SPRINGS RD SUITE 200 AUSTIN, TX 78704
Mailing Phone
(512) 708-8834
Mailing Fax
(512) 708-8131
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
03-02-2006
Last Update Date
09-11-2025
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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

Preventive Medicine Sports Medicine

Taxonomy Code
2083S0010X
Type
Allopathic & Osteopathic Physicians
License No.
L0666
License State
TX
Taxonomy Description
A preventive medicine physician who specializes in the diagnosis and treatment of sports related conditions and injuries.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1207Q00000XAllopathic & Osteopathic Physicians

Family Medicine

L0666 (TX)

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DAVID B. TSAI M.D.

Authorized Official Title
OWNER/PHYSICIAN
Authorized Official Phone
(512) 708-8834

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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 1952378556, we treat the final digit (6) 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 64. The final step is to find the difference between that total and the next multiple of ten (70 - 64 = 6).

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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
7
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
Check
6
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 3 → 6 8 → 16 → 7 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 6 + 7 + 1 + 6 + 5 + 1 + 0 + 24 = 64

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

The next multiple of ten after 64 is 70. The difference is the calculated check digit.

70 - 64 = 6
This NPI is valid
The calculated check digit is 6, which matches the last digit of 1952378556.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952378556, enumerated as an "organization" on March 02, 2006.

The provider is located at 210 BARTON SPRINGS RD SUITE 200 AUSTIN, TX 78704 and the phone number is (512) 708-8834.

Preventive Medicine with taxonomy code 2083S0010X and a focus in Sports Medicine.