ALYSSA MARIE WALRAVEN
NPI 1154972982
Dental Hygienist in New Haven, CT

NPI Status: Active since September 23, 2019

Contact Information

54 MEADOW ST
NEW HAVEN, CT
ZIP 06519
Phone: (475) 220-1234

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  • Individual
  • Female
  • Dental Hygienist

About ALYSSA WALRAVEN

This page provides the complete NPI Profile along with additional information for Alyssa Walraven, a provider established in New Haven, Connecticut with a medical specialization in Dental Hygienist. The healthcare provider is registered in the NPI registry with number 1154972982 assigned on September 2019. The practitioner's primary taxonomy code is 124Q00000X with license number 8640 (CT). The provider is registered as an individual and her NPI record was last updated February 2026.

NPI
1154972982
Provider Name
ALYSSA MARIE WALRAVEN
Gender
Female
Entity Type
Individual
Location Address
54 MEADOW ST NEW HAVEN, CT 06519
Location Phone
(475) 220-1234
Mailing Address
54 MEADOW ST NEW HAVEN, CT 06519
Is Sole Proprietor?
No
Enumeration Date
09-23-2019
Last Update Date
02-04-2026
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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

Dental Hygienist

Taxonomy Code
124Q00000X
Type
Dental Providers
License No.
8640
License State
CT
Taxonomy Description
An individual who has completed an accredited dental hygiene education program, and an individual who has been licensed by a state board of dental examiners to provide preventive care services under the supervision of a dentist. Functions that may be legally delegated to the dental hygienist vary based on the needs of the dentist, the educational preparation of the dental hygienist and state dental practice acts and regulations, but always include, at a minimum, scaling and polishing the teeth. To avoid misleading the public, no occupational title other than dental hygienist should be used to describe this dental auxiliary.

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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 1154972982, we treat the final digit (2) 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 68. The final step is to find the difference between that total and the next multiple of ten (70 - 68 = 2).

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
1
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
4
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
9
Unchanged
Pos 9
8
Doubled → 16 → 1 + 6
Check
2
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 9 → 18 → 9 2 → 4 8 → 16 → 7

Step 2: Add all digits plus the NPI constant

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

2 + 1 + 1 + 0 + 4 + 1 + 8 + 7 + 4 + 9 + 1 + 6 + 24 = 68

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

The next multiple of ten after 68 is 70. The difference is the calculated check digit.

70 - 68 = 2
This NPI is valid
The calculated check digit is 2, which matches the last digit of 1154972982.

Other Providers at the Same Location


The following 5 providers are registered at the same or a nearby location.

Clinic/Center (Primary Care)
54 MEADOW ST
NEW HAVEN, CT 06519
Dental Hygienist
54 MEADOW ST, 3RD FLOOR SCHOOL HEALTH CENTER
NEW HAVEN, CT 06519
Dental Hygienist
54 MEADOW ST
NEW HAVEN, CT 06519
Dental Hygienist
54 MEADOW ST, NEW HAVEN PUBLIC SCHOOLS
NEW HAVEN, CT 06519
Public Health or Welfare
54 MEADOW ST, 9TH FLOOR
NEW HAVEN, CT 06519

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1154972982, enumerated as an "individual" on September 23, 2019.

The provider is located at 54 MEADOW ST NEW HAVEN, CT 06519 and the phone number is (475) 220-1234.

Dental Hygienist with taxonomy code 124Q00000X.