DR. XIANG LONG LI DDS. MA. PC
NPI 1821071135
Dentist - General Practice in New York, NY

NPI Status: Active since November 22, 2005

Contact Information

515 MADISON AVENUE
SUITE #1810
NEW YORK, NY
ZIP 10022
Phone: (212) 223-3005
Fax: (212) 421-9299

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  • Individual
  • Male
  • Dentist
  • General Practice

About XIANG LONG LI

This page provides the complete NPI Profile along with additional information for Xiang Long Li, a provider established in New York, New York with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1821071135 assigned on November 2005. The practitioner's primary taxonomy code is 1223G0001X with license number 046013 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1821071135
Provider Name
DR. XIANG LONG LI DDS. MA. PC
Gender
Male
Entity Type
Individual
Location Address
515 MADISON AVENUE SUITE #1810 NEW YORK, NY 10022
Location Phone
(212) 223-3005
Location Fax
(212) 421-9299
Mailing Address
515 MADISON AVENUE SUITE #1810 NEW YORK, NY 10022
Mailing Phone
(212) 223-3005
Mailing Fax
(212) 421-9299
Is Sole Proprietor?
Yes
Enumeration Date
11-22-2005
Last Update Date
01-15-2025
Code Navigator

A dentist like Xiang Long Li 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.
046013
License State
NY
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 1821071135, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 4 + 1 + 0 + 7 + 2 + 1 + 6 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1821071135.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Chiropractor
515 MADISON AVENUE, SUITE 1906
NEW YORK, NY 10022
Dentist
515 MADISON AVENUE, SUITE 2308
NEW YORK, NY 10022
Specialist
515 MADISON AVENUE, SUITE 1102
NEW YORK, NY 10022
Physician Assistant
515 MADISON AVENUE, SUITE #1102
NEW YORK, NY 10022
Chiropractor
515 MADISON AVENUE, FLOOR 3
NEW YORK, NY 10022
Dentist (General Practice)
515 MADISON AVENUE, SUITE 3303
NEW YORK, NY 10022

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1821071135, enumerated as an "individual" on November 22, 2005.

The provider is located at 515 MADISON AVENUE SUITE #1810 NEW YORK, NY 10022 and the phone number is (212) 223-3005.

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