DR. MATTHEW PEREIRA
NPI 1699637835
Pharmacist in East Hampton, NY

NPI Status: Active since November 25, 2025

Contact Information

38 PANTIGO RD
EAST HAMPTON, NY
ZIP 11937
Phone: (631) 324-8587

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  • Individual
  • Male
  • Pharmacist

About MATTHEW PEREIRA

This page provides the complete NPI Profile along with additional information for Matthew Pereira, a provider established in East Hampton, New York with a medical specialization in Pharmacist. The healthcare provider is registered in the NPI registry with number 1699637835 assigned on November 2025. The practitioner's primary taxonomy code is 183500000X with license number 073530 (NY). The provider is registered as an individual and his NPI record was last updated one year ago.

NPI
1699637835
Provider Name
DR. MATTHEW PEREIRA
Gender
Male
Entity Type
Individual
Location Address
38 PANTIGO RD EAST HAMPTON, NY 11937
Location Phone
(631) 324-8587
Mailing Address
11 BERT AVE WESTBURY, NY 11590
Mailing Phone
(516) 376-1579
Is Sole Proprietor?
Yes
Enumeration Date
11-25-2025
Last Update Date
11-25-2025
Code Navigator

A pharmacist like Matthew Pereira fills prescription medications, verifying instructions from physicians and offers expertise in the safe use of prescriptions. Pharmacists instruct patients on how to take a prescribed medicine and educate patients about potential side effects. Pharmacists might also conduct health and wellness screenings, provide immunizations, oversee the medications given to patients, and provide advice on healthy lifestyles.

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

Pharmacist

Taxonomy Code
183500000X
Type
Pharmacy Service Providers
License No.
073530
License State
NY
Taxonomy Description
An individual licensed by the appropriate state regulatory agency to engage in the practice of pharmacy. The practice of pharmacy includes, but is not limited to, assessment, interpretation, evaluation, and implementation, initiation, monitoring or modification of medication and or medical orders; the compounding or dispensing of medication and or medical orders; participation in drug and device procurement, storage, and selection; drug administration; drug regimen reviews; drug or drug-related research; provision of patient education and the provision of those acts or services necessary to provide medication therapy management services in all areas of patient care.

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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 1699637835, we treat the final digit (5) 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 5).

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
6
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
9
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
3
Unchanged
Pos 7
7
Doubled → 14 → 1 + 4
Pos 8
8
Unchanged
Pos 9
3
Doubled → 6
Check
5
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 7 → 14 → 5 3 → 6

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 8 + 9 + 1 + 2 + 3 + 1 + 4 + 8 + 6 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1699637835.

Other Providers at the Same Location


The following 9 providers are registered at the same or a nearby location.

Pharmacy
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937
Pharmacist
38 PANTIGO RD
EAST HAMPTON, NY 11937

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1699637835, enumerated as an "individual" on November 25, 2025.

The provider is located at 38 PANTIGO RD EAST HAMPTON, NY 11937 and the phone number is (631) 324-8587.

Pharmacist with taxonomy code 183500000X.