DR. XIAOSONG LIU D.D.S
NPI 1447651443
Dentist - General Practice in San Francisco, CA

NPI Status: Active since September 09, 2014

Contact Information

950 STOCKTON ST
SUITE 400
SAN FRANCISCO, CA
ZIP 94108
Phone: (415) 956-3317

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  • Individual
  • Male
  • Dentist
  • General Practice

About XIAOSONG LIU

This page provides the complete NPI Profile along with additional information for Xiaosong Liu, a provider established in San Francisco, California with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1447651443 assigned on September 2014. The practitioner's primary taxonomy code is 1223G0001X with license number 63961 (CA). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1447651443
Provider Name
DR. XIAOSONG LIU D.D.S
Other Name
DR. STEVEN LIU D.D.S
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
950 STOCKTON ST SUITE 400 SAN FRANCISCO, CA 94108
Location Phone
(415) 956-3317
Mailing Address
257 ONONDAGA AVE SAN FRANCISCO, CA 94112
Is Sole Proprietor?
No
Enumeration Date
09-09-2014
Last Update Date
09-09-2014
Code Navigator

A dentist like Xiaosong Liu is a skilled in and licensed provider that diagnoses and treats problems with patients teeth, gums, and related parts of the mouth. Dentists educate patients on how to take care of the teeth and gums and provide information on diet choices that affect oral health. Dentists must be licensed in the state in which they work.

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

Dentist General Practice

Taxonomy Code
1223G0001X
Type
Dental Providers
License No.
63961
License State
CA
Taxonomy Description
A general dentist is the primary dental care provider for patients of all ages. The general dentist is responsible for the diagnosis, treatment, management and overall coordination of services related to patients' oral health needs.

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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 1447651443, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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.

Pos 1
1
Doubled → 2
Pos 2
4
Unchanged
Pos 3
4
Doubled → 8
Pos 4
7
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
5
Unchanged
Pos 7
1
Doubled → 2
Pos 8
4
Unchanged
Pos 9
4
Doubled → 8
Check
3
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 4 → 8 6 → 12 → 3 1 → 2 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 8 + 7 + 1 + 2 + 5 + 2 + 4 + 8 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1447651443.

Other Providers at the Same Location


The following 16 providers are registered at the same or a nearby location.

Obstetrics & Gynecology
950 STOCKTON ST, STE 203
SAN FRANCISCO, CA 94108
Internal Medicine (Endocrinology, Diabetes & Metabolism)
950 STOCKTON ST, SUITE 375
SAN FRANCISCO, CA 94108
Anesthesiology
950 STOCKTON ST, STE 328
SAN FRANCISCO, CA 94108
Chiropractor
950 STOCKTON ST, #407B
SAN FRANCISCO, CA 94108
Surgery
950 STOCKTON ST, SIUTE 202
SAN FRANCISCO, CA 94108
Surgery
950 STOCKTON ST, SUITE 388
SAN FRANCISCO, CA 94108
Surgery
950 STOCKTON ST, 388
SAN FRANCISCO, CA 94108
Contractor
950 STOCKTON ST, SUITE 207
SAN FRANCISCO, CA 94108
Dentist (General Practice)
950 STOCKTON ST, #208
SAN FRANCISCO, CA 94108
Dentist (General Practice)
950 STOCKTON ST, SUITE 208
SAN FRANCISCO, CA 94108
Dentist (General Practice)
950 STOCKTON ST, STE 208
SAN FRANCISCO, CA 94108
Dentist
950 STOCKTON ST, SUITE 400
SAN FRANCISCO, CA 94108
Family Medicine
950 STOCKTON ST, SUITE 200
SAN FRANCISCO, CA 94108
Internal Medicine (Allergy & Immunology)
950 STOCKTON ST, SUITE 399
SAN FRANCISCO, CA 94108
Podiatrist
950 STOCKTON ST, STE 300
SAN FRANCISCO, CA 94108
Family Medicine
950 STOCKTON ST, SUITE 328
SAN FRANCISCO, CA 94108

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1447651443, enumerated as an "individual" on September 09, 2014.

The provider is located at 950 STOCKTON ST SUITE 400 SAN FRANCISCO, CA 94108 and the phone number is (415) 956-3317.

Dentist with taxonomy code 1223G0001X and a focus in General Practice.