MICHELLE ONOFRIO BELAK
NPI 1295603538
Nurse Practitioner - Family in Stamford, CT

NPI Status: Active since October 28, 2025

Contact Information

1177 SUMMER ST
STAMFORD, CT
ZIP 06905
Phone: (203) 353-1133

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About MICHELLE BELAK

This page provides the complete NPI Profile along with additional information for Michelle Belak, a provider established in Stamford, Connecticut with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1295603538 assigned on October 2025. The practitioner's primary taxonomy code is 363LF0000X with license number 15239 (CT). The provider is registered as an individual and her NPI record was last updated one year ago.

NPI
1295603538
Provider Name
MICHELLE ONOFRIO BELAK
Gender
Female
Entity Type
Individual
Location Address
1177 SUMMER ST STAMFORD, CT 06905
Location Phone
(203) 353-1133
Mailing Address
1177 SUMMER ST STAMFORD, CT 06905
Mailing Phone
(203) 353-1133
Is Sole Proprietor?
No
Enumeration Date
10-28-2025
Last Update Date
10-28-2025
Code Navigator

A nurse practitioner (NP) like Michelle Belak is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, etc.

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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
15239
License State
CT

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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 1295603538, we treat the final digit (8) 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 62. The final step is to find the difference between that total and the next multiple of ten (70 - 62 = 8).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
0
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
3
Doubled → 6
Check
8
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 6 → 12 → 3 3 → 6 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 2 + 0 + 6 + 5 + 6 + 24 = 62

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

The next multiple of ten after 62 is 70. The difference is the calculated check digit.

70 - 62 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1295603538.

Other Providers at the Same Location


The following 15 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Clinical Cardiac Electrophysiology)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Nurse Practitioner
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST
STAMFORD, CT 06905
Physician Assistant (Surgical)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Chiropractor
1177 SUMMER ST, 2ND FLOOR
STAMFORD, CT 06905
Dentist (Oral and Maxillofacial Surgery)
1177 SUMMER ST, 4TH FLOOR
STAMFORD, CT 06905
Internal Medicine (Cardiovascular Disease)
1177 SUMMER ST
STAMFORD, CT 06905
Nurse Practitioner (Family)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905
Dentist (General Practice)
1177 SUMMER ST
STAMFORD, CT 06905
Nurse Practitioner (Family)
1177 SUMMER ST, 5TH FLOOR
STAMFORD, CT 06905

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295603538, enumerated as an "individual" on October 28, 2025.

The provider is located at 1177 SUMMER ST STAMFORD, CT 06905 and the phone number is (203) 353-1133.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.