FINIAN C OPARAH MD PLLC
NPI 1992642748
Internal Medicine in Westbury, NY

NPI Status: Active since April 30, 2026

Contact Information

265 POST AVE
WESTBURY, NY
ZIP 11590
Phone: (301) 204-5244

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  • Organization
  • Internal Medicine

About FINIAN C OPARAH MD PLLC

This page provides the complete NPI Profile along with additional information for Finian C Oparah Md Pllc, an internist established in Westbury, New York operating as a Internal Medicine. The healthcare provider is registered in the NPI registry with number 1992642748 assigned on April 2026. The practitioner's primary taxonomy code is 207R00000X. The provider is registered as an organization and their NPI record was last updated April 2026. Finian C Oparah Md Pllc operates as a Multi-Specialty Group with one or more individual practitioners, who practice different areas of specialization. The authorized official of this NPI record is Finian Oparah Md (Ceo)

NPI
1992642748
Provider Name
FINIAN C OPARAH MD PLLC
Entity Type
Organization
Location Address
265 POST AVE WESTBURY, NY 11590
Location Phone
(301) 204-5244
Mailing Address
6 TODD CT WEST BABYLON, NY 11704
Mailing Phone
(301) 204-5244
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-30-2026
Last Update Date
04-30-2026
Code Navigator

An internist like Finian C Oparah Md Pllc is a physician who has completed an internal medicine residency and is board-certified or board-eligible in an internist specialty. Internists are trained to care for adults of all ages for many different medical conditions. An internist typically monitors chronic physical conditions, identifies acute diseases, provides family planning, provides counseling about wellness and disease prevention, 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

Internal Medicine

Taxonomy Code
207R00000X
Type
Allopathic & Osteopathic Physicians
Taxonomy Description
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.

Group Taxonomy 193200000X MULTI-SPECIALTY GROUP

This provider is a business group of one or more individual practitioners, who practice with different areas of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

FINIAN OPARAH MD

Authorized Official Title
CEO
Authorized Official Phone
(301) 204-5244

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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 1992642748, 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 72. The final step is to find the difference between that total and the next multiple of ten (80 - 72 = 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
9
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
4
Unchanged
Pos 7
2
Doubled → 4
Pos 8
7
Unchanged
Pos 9
4
Doubled → 8
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 2 → 4 4 → 8

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 8 + 2 + 1 + 2 + 4 + 4 + 7 + 8 + 24 = 72

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

The next multiple of ten after 72 is 80. The difference is the calculated check digit.

80 - 72 = 8
This NPI is valid
The calculated check digit is 8, which matches the last digit of 1992642748.

Other Providers at the Same Location


The following 8 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
265 POST AVE, SUITE 210
WESTBURY, NY 11590
Internal Medicine
265 POST AVE, STE 114
WESTBURY, NY 11590
Psychiatry & Neurology (Child & Adolescent Psychiatry)
265 POST AVE, SUITE 116
WESTBURY, NY 11590
Early Intervention Provider Agency
265 POST AVE, SUITE 355
WESTBURY, NY 11590
Podiatrist (Foot Surgery)
265 POST AVE, SUITE 220
WESTBURY, NY 11590
Early Intervention Provider Agency
265 POST AVE, SUITE 355
WESTBURY, NY 11590
Internal Medicine
265 POST AVE, SUITE 114
WESTBURY, NY 11590
Psychiatry & Neurology (Child & Adolescent Psychiatry)
265 POST AVE, SUITE116
WESTBURY, NY 11590

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1992642748, enumerated as an "organization" on April 30, 2026.

The provider is located at 265 POST AVE WESTBURY, NY 11590 and the phone number is (301) 204-5244.

Internal Medicine with taxonomy code 207R00000X.