SCOTT SHUYANG LIU MD
NPI 1992334338
Orthopaedic Surgery - Hand Surgery in San Francisco, CA

NPI Status: Active since April 07, 2020

Contact Information

450 FOLSOM ST APT 1907
SAN FRANCISCO, CA
ZIP 94105
Phone: (209) 607-0553

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  • Individual
  • Male
  • Orthopaedic Surgery
  • Hand Surgery

About SCOTT LIU

This page provides the complete NPI Profile along with additional information for Scott Liu, a provider established in San Francisco, California with a medical specialization in Orthopaedic Surgery, focusing in hand surgery . The healthcare provider is registered in the NPI registry with number 1992334338 assigned on April 2020. The practitioner's primary taxonomy code is 207XS0106X with license number A201565 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1992334338
Provider Name
SCOTT SHUYANG LIU MD
Gender
Male
Entity Type
Individual
Location Address
450 FOLSOM ST APT 1907 SAN FRANCISCO, CA 94105
Location Phone
(209) 607-0553
Mailing Address
450 FOLSOM ST APT 1907 SAN FRANCISCO, CA 94105
Is Sole Proprietor?
No
Enumeration Date
04-07-2020
Last Update Date
05-02-2026
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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

Orthopaedic Surgery Hand Surgery

Taxonomy Code
207XS0106X
Type
Allopathic & Osteopathic Physicians
License No.
A201565
License State
CA
Taxonomy Description
An orthopaedic surgeon trained in the investigation, preservation and restoration by medical, surgical and rehabilitative means of all structures of the upper extremity directly affecting the form and function of the hand and wrist.

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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 1992334338, we treat the final digit (8) 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 8).

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
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
3
Doubled → 6
Pos 6
3
Unchanged
Pos 7
4
Doubled → 8
Pos 8
3
Unchanged
Pos 9
3
Doubled → 6
Check
8
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 9 → 18 → 9 3 → 6 4 → 8 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 6 + 3 + 8 + 3 + 6 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1992334338.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992334338, enumerated as an "individual" on April 07, 2020.

The provider is located at 450 FOLSOM ST APT 1907 SAN FRANCISCO, CA 94105 and the phone number is (209) 607-0553.

Orthopaedic Surgery with taxonomy code 207XS0106X and a focus in Hand Surgery.