YI HELEN HU
NPI 1891458279
Dentist - General Practice in Sudbury, MA

NPI Status: Active since October 21, 2021

Contact Information

57 CODJER LN
SUDBURY, MA
ZIP 01776
Phone: (978) 443-4348

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  • Individual
  • Female
  • Dentist
  • General Practice

About YI HELEN HU

This page provides the complete NPI Profile along with additional information for Yi Helen Hu, a provider established in Sudbury, Massachusetts with a medical specialization in Dentist, focusing in general practice . The healthcare provider is registered in the NPI registry with number 1891458279 assigned on October 2021. The practitioner's primary taxonomy code is 1223G0001X with license number DN1859169 (MA). The provider is registered as an individual and her NPI record was last updated 5 years ago.

NPI
1891458279
Provider Name
YI HELEN HU
Gender
Female
Entity Type
Individual
Location Address
57 CODJER LN SUDBURY, MA 01776
Location Phone
(978) 443-4348
Mailing Address
2553 MASSACHUSETTS AVE CAMBRIDGE, MA 02140
Is Sole Proprietor?
No
Enumeration Date
10-21-2021
Last Update Date
10-21-2021
Code Navigator

A dentist like Yi Helen Hu 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.
DN1859169
License State
MA
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 1891458279, we treat the final digit (9) 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 71. The final step is to find the difference between that total and the next multiple of ten (80 - 71 = 9).

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
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
4
Doubled → 8
Pos 6
5
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
Check
9
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 4 → 8 8 → 16 → 7 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 8 + 5 + 1 + 6 + 2 + 1 + 4 + 24 = 71

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

The next multiple of ten after 71 is 80. The difference is the calculated check digit.

80 - 71 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1891458279.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Dentist (Orthodontics and Dentofacial Orthopedics)
57 CODJER LN
SUDBURY, MA 01776
Dentist (General Practice)
57 CODJER LN
SUDBURY, MA 01776
Dentist (General Practice)
57 CODJER LN
SUDBURY, MA 01776
Dentist (General Practice)
57 CODJER LN
SUDBURY, MA 01776
Dentist (General Practice)
57 CODJER LN
SUDBURY, MA 01776
Dentist (Orthodontics and Dentofacial Orthopedics)
57 CODJER LN
SUDBURY, MA 01776
Dentist (Orthodontics and Dentofacial Orthopedics)
57 CODJER LN
SUDBURY, MA 01776
Dentist (General Practice)
57 CODJER LN
SUDBURY, MA 01776

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891458279, enumerated as an "individual" on October 21, 2021.

The provider is located at 57 CODJER LN SUDBURY, MA 01776 and the phone number is (978) 443-4348.

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