KHALED ABAZA
NPI 1255986121
Internal Medicine - Cardiovascular Disease in Middletown, CT

NPI Status: Active since August 07, 2019

Contact Information

420 SAYBROOK RD STE A
MIDDLETOWN, CT
ZIP 06457
Phone: (860) 636-2010
Fax: (860) 636-2045

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About KHALED ABAZA

This page provides the complete NPI Profile along with additional information for Khaled Abaza, an internist established in Middletown, Connecticut with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1255986121 assigned on August 2019. The practitioner's primary taxonomy code is 207RC0000X with license number 84918 (CT). The provider is registered as an individual and his NPI record was last updated June 2026.

NPI
1255986121
Provider Name
KHALED ABAZA
Gender
Male
Entity Type
Individual
Location Address
420 SAYBROOK RD STE A MIDDLETOWN, CT 06457
Location Phone
(860) 636-2010
Location Fax
(860) 636-2045
Mailing Address
1290 SILAS DEANE HWY HHC CVO WETHERSFIELD, CT 06109
Mailing Phone
(860) 972-5507
Mailing Fax
(860) 636-2045
Is Sole Proprietor?
Yes
Enumeration Date
08-07-2019
Last Update Date
06-11-2026
Code Navigator

An internist like Khaled Abaza 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

Secondary Locations

  • 1 Brookdale Plz
    Brooklyn, NY 11212
    (718) 240-5000

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 Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
84918
License State
CT
Taxonomy Description
An internist who specializes in diseases of the heart and blood vessels and manages complex cardiac conditions such as heart attacks and life-threatening, abnormal heartbeat rhythms.

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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 1255986121, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
8
Unchanged
Pos 7
6
Doubled → 12 → 1 + 2
Pos 8
1
Unchanged
Pos 9
2
Doubled → 4
Check
1
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 5 → 10 → 1 9 → 18 → 9 6 → 12 → 3 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 1 + 8 + 8 + 1 + 2 + 1 + 4 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1255986121.

Other Providers at the Same Location


The following 6 providers are registered at the same or a nearby location.

Internal Medicine (Cardiovascular Disease)
420 SAYBROOK RD STE A
MIDDLETOWN, CT 06457
Nurse Practitioner (Family)
420 SAYBROOK RD STE A
MIDDLETOWN, CT 06457
Physician Assistant (Medical)
420 SAYBROOK RD STE A
MIDDLETOWN, CT 06457
Internal Medicine (Cardiovascular Disease)
420 SAYBROOK RD STE A
MIDDLETOWN, CT 06457
Internal Medicine (Interventional Cardiology)
420 SAYBROOK RD STE A
MIDDLETOWN, CT 06457
Nurse Practitioner (Adult Health)
420 SAYBROOK RD STE A
MIDDLETOWN, CT 06457

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255986121, enumerated as an "individual" on August 07, 2019.

The provider is located at 420 SAYBROOK RD STE A MIDDLETOWN, CT 06457 and the phone number is (860) 636-2010.

Internal Medicine with taxonomy code 207RC0000X and a focus in Cardiovascular Disease.