ROBERTO MERCENE MUHI ANP
NPI 1831335298
Nurse Practitioner - Adult Health in East Setauket, NY

Q: What is the provider's specialty?

The provider's specialty is Nurse Practitioner with taxonomy code 363LA2200X and a focus in Adult Health.

NPI Status: Active since January 06, 2009

Contact Information

26 RESEARCH WAY
EAST SETAUKET, NY
ZIP 11733
Phone: (631) 444-5149
Fax: (631) 444-0530

NPPES record last updated: January 6, 2009. Verified against the NPPES registry weekly; last sync: July 12, 2026.

Table of Contents

NPI Profile Information
Primary Taxonomy
NPI Validation
Other Providers Same Location
Frequently Asked Questions

Individual
Male
Nurse Practitioner
Adult Health

About ROBERTO MUHI

This page provides the complete NPI Profile along with additional information for Roberto Muhi, a provider established in East Setauket, New York with a medical specialization in Nurse Practitioner, focusing in adult health . The healthcare provider is registered in the NPI registry with number 1831335298 assigned on January 2009. The practitioner's primary taxonomy code is 363LA2200X with license number 5585764UPD (NY). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI: 1831335298
Provider Name: ROBERTO MERCENE MUHI ANP
Gender: Male
Entity Type: Individual
Location Address: 26 RESEARCH WAY EAST SETAUKET, NY 11733
Location Phone: (631) 444-5149
Location Fax: (631) 444-0530
Mailing Address: 26 RESEARCH WAY EAST SETAUKET, NY 11733
Mailing Phone: (631) 444-5149
Mailing Fax: (631) 444-0530
Is Sole Proprietor?: No
Enumeration Date: 01-06-2009
Last Update Date: 01-06-2009
Code Navigator

A nurse practitioner (NP) like Roberto Muhi 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 Adult Health
Taxonomy Code: 363LA2200X
Type: Physician Assistants & Advanced Practice Nursing Providers
License No.: 5585764UPD
License State: NY

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 1831335298, 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

Doubled → 2

Pos 2

Unchanged

Pos 3

Doubled → 6

Pos 4

Unchanged

Pos 5

Doubled → 6

Pos 6

Unchanged

Pos 7

Doubled → 10 → 1 + 0

Pos 8

Unchanged

Pos 9

Doubled → 18 → 1 + 8

Check

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 3 → 6 3 → 6 5 → 10 → 1 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 6 + 1 + 6 + 3 + 1 + 0 + 2 + 1 + 8 + 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 1831335298.