MRS. YESSICA ISABEL PEREYRA
NPI 1386536779
Dental Assistant in Greenwich, CT

NPI Status: Active since July 18, 2025

Contact Information

75 HOLLY HILL LN
GREENWICH, CT
ZIP 06830
Phone: (203) 717-1760

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  • Individual
  • Female
  • Dental Assistant

About YESSICA PEREYRA

This page provides the complete NPI Profile along with additional information for Yessica Pereyra, a provider established in Greenwich, Connecticut with a medical specialization in Dental Assistant. The healthcare provider is registered in the NPI registry with number 1386536779 assigned on July 2025. The practitioner's primary taxonomy code is 126800000X. The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1386536779
Provider Name
MRS. YESSICA ISABEL PEREYRA
Gender
Female
Entity Type
Individual
Location Address
75 HOLLY HILL LN GREENWICH, CT 06830
Location Phone
(203) 717-1760
Mailing Address
2475 SUMMER ST APT 3B STAMFORD, CT 06905
Mailing Phone
(203) 705-9527
Is Sole Proprietor?
Yes
Enumeration Date
07-18-2025
Last Update Date
07-18-2025
Code Navigator

A dental assitant like Yessica Pereyra works closely with patients and dentists by providing patient care, taking x rays, keeping patient records, scheduling appointments, sterilizing dental equipment, etc. During a typical visit a dental assistant might take a patient's medical history, blood pressure and pulse, explain what procedure will be done and talk to patients about oral care. .

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

Dental Assistant

Taxonomy Code
126800000X
Type
Dental Providers
Taxonomy Description
An individual who may or may not have completed an accredited dental assisting education program and who aids the dentist in providing patient care services and performs other nonclinical duties in the dental office or other patient care facility. The scope of the patient care functions that may be legally delegated to the dental assistant varies based on the needs of the dentist the educational preparation of the dental assistant and state dental practice acts and regulations. Patient care services are provided under the supervision of a dentist. To avoid misleading the public, no occupational title other than dental assistant 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 1386536779, 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 61. The final step is to find the difference between that total and the next multiple of ten (70 - 61 = 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
3
Unchanged
Pos 3
8
Doubled → 16 → 1 + 6
Pos 4
6
Unchanged
Pos 5
5
Doubled → 10 → 1 + 0
Pos 6
3
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
7
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 8 → 16 → 7 5 → 10 → 1 6 → 12 → 3 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 3 + 1 + 6 + 6 + 1 + 0 + 3 + 1 + 2 + 7 + 1 + 4 + 24 = 61

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

The next multiple of ten after 61 is 70. The difference is the calculated check digit.

70 - 61 = 9
This NPI is valid
The calculated check digit is 9, which matches the last digit of 1386536779.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Nurse Practitioner (Gerontology)
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN, LEVEL C
GREENWICH, CT 06830
Physician Assistant
75 HOLLY HILL LN, OCCUPATIONAL HEALTH, GREENWICH HOSPITAL
GREENWICH, CT 06830
Neurological Surgery
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Physician Assistant
75 HOLLY HILL LN, GREENWICH MEDICAL GROUP
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Physician Assistant (Medical)
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Internal Medicine
75 HOLLY HILL LN
GREENWICH, CT 06830
Nurse Practitioner (Family)
75 HOLLY HILL LN
GREENWICH, CT 06830
Counselor (Professional)
75 HOLLY HILL LN
GREENWICH, CT 06830
Nurse Practitioner (Primary Care)
75 HOLLY HILL LN
GREENWICH, CT 06830
Neurological Surgery
75 HOLLY HILL LN
GREENWICH, CT 06830
Dentist (General Practice)
75 HOLLY HILL LN
GREENWICH, CT 06830

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1386536779, enumerated as an "individual" on July 18, 2025.

The provider is located at 75 HOLLY HILL LN GREENWICH, CT 06830 and the phone number is (203) 717-1760.

Dental Assistant with taxonomy code 126800000X.