MICHAEL WILLIAM KOULOPOULOS MD
NPI 1427636547
Orthopaedic Surgery in Syracuse, NY

NPI Status: Active since March 30, 2021

Contact Information

550 HARRISON ST
SYRACUSE, NY
ZIP 13202
Phone: (315) 464-4472

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  • Individual
  • Male
  • Orthopaedic Surgery

About MICHAEL KOULOPOULOS

This page provides the complete NPI Profile along with additional information for Michael Koulopoulos, a provider established in Syracuse, New York with a medical specialization in Orthopaedic Surgery. The healthcare provider is registered in the NPI registry with number 1427636547 assigned on March 2021. The practitioner's primary taxonomy code is 207X00000X with license number A206587 (CA). The provider is registered as an individual and his NPI record was last updated May 2026.

NPI
1427636547
Provider Name
MICHAEL WILLIAM KOULOPOULOS MD
Gender
Male
Entity Type
Individual
Location Address
550 HARRISON ST SYRACUSE, NY 13202
Location Phone
(315) 464-4472
Mailing Address
110 TRENT LN CAMILLUS, NY 13031
Mailing Phone
(339) 933-9044
Is Sole Proprietor?
No
Enumeration Date
03-30-2021
Last Update Date
05-20-2026
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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

Orthopaedic Surgery

Taxonomy Code
207X00000X
Type
Allopathic & Osteopathic Physicians
License No.
A206587
License State
CA
Taxonomy Description
An orthopaedic surgeon is trained in the preservation, investigation and restoration of the form and function of the extremities, spine and associated structures by medical, surgical and physical means. An orthopaedic surgeon is involved with the care of patients whose musculoskeletal problems include congenital deformities, trauma, infections, tumors, metabolic disturbances of the musculoskeletal system, deformities, injuries and degenerative diseases of the spine, hands, feet, knee, hip, shoulder and elbow in children and adults. An orthopaedic surgeon is also concerned with primary and secondary muscular problems and the effects of central or peripheral nervous system lesions of the musculoskeletal system.

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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 1427636547, we treat the final digit (7) 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 63. The final step is to find the difference between that total and the next multiple of ten (70 - 63 = 7).

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

Step 2: Add all digits plus the NPI constant

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

2 + 4 + 4 + 7 + 1 + 2 + 3 + 1 + 2 + 5 + 8 + 24 = 63

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

The next multiple of ten after 63 is 70. The difference is the calculated check digit.

70 - 63 = 7
This NPI is valid
The calculated check digit is 7, which matches the last digit of 1427636547.

Other Providers at the Same Location


The following 20 providers are registered at the same or a nearby location.

Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
550 HARRISON ST, STE 130
SYRACUSE, NY 13202
Specialist
550 HARRISON ST, STE 128
SYRACUSE, NY 13202
Nurse Practitioner (Family)
550 HARRISON ST, STE 130
SYRACUSE, NY 13202
Nurse Practitioner (Adult Health)
550 HARRISON ST, STE 130
SYRACUSE, NY 13202
Pharmacist
550 HARRISON ST, LEADER/KRESS DRUGS
SYRACUSE, NY 13202
Orthopaedic Surgery (Orthopaedic Surgery of the Spine)
550 HARRISON ST, STE 130
SYRACUSE, NY 13202
Chiropractor
550 HARRISON ST
SYRACUSE, NY 13202
Colon & Rectal Surgery
550 HARRISON ST, STE 330
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Internal Medicine
550 HARRISON ST, SUITE 200
SYRACUSE, NY 13202
Nurse Practitioner
550 HARRISON ST, SUITE 100
SYRACUSE, NY 13202
Chiropractor
550 HARRISON ST, STE. 100
SYRACUSE, NY 13202
Physical Therapist
550 HARRISON ST, STE. 100
SYRACUSE, NY 13202
Physical Medicine & Rehabilitation
550 HARRISON ST, SUITE 100
SYRACUSE, NY 13202
Physical Therapist
550 HARRISON ST, STE. 100
SYRACUSE, NY 13202

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1427636547, enumerated as an "individual" on March 30, 2021.

The provider is located at 550 HARRISON ST SYRACUSE, NY 13202 and the phone number is (315) 464-4472.

Orthopaedic Surgery with taxonomy code 207X00000X.