DR. TERENCE EAMON O'HARE M.D.
NPI 1891943478
Surgery - Plastic and Reconstructive Surgery in Chicago, IL

NPI Status: Active since September 08, 2008

Contact Information

676 N MICHIGAN AVE
SUITE 3850
CHICAGO, IL
ZIP 60611
Phone: (312) 642-4481
Fax: (312) 642-9603

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  • Individual
  • Male
  • Surgery
  • Plastic and Reconstructive Surgery

About TERENCE O'HARE

This page provides the complete NPI Profile along with additional information for Terence O'hare, a provider established in Chicago, Illinois with a medical specialization in Surgery, focusing in plastic and reconstructive surgery . The healthcare provider is registered in the NPI registry with number 1891943478 assigned on September 2008. The practitioner's primary taxonomy code is 2086S0122X with license number 036104044 (IL). The provider is registered as an individual and his NPI record was last updated 18 years ago.

NPI
1891943478
Provider Name
DR. TERENCE EAMON O'HARE M.D.
Gender
Male
Entity Type
Individual
Location Address
676 N MICHIGAN AVE SUITE 3850 CHICAGO, IL 60611
Location Phone
(312) 642-4481
Location Fax
(312) 642-9603
Mailing Address
676 N MICHIGAN AVE SUITE 3850 CHICAGO, IL 60611
Mailing Phone
(312) 642-4481
Mailing Fax
(312) 642-9603
Is Sole Proprietor?
No
Enumeration Date
09-08-2008
Last Update Date
09-08-2008
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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

Surgery Plastic and Reconstructive Surgery

Taxonomy Code
2086S0122X
Type
Allopathic & Osteopathic Physicians
License No.
036104044
License State
IL
Taxonomy Description
A surgeon who specializes in plastic and reconstructive surgery.

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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 1891943478, 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
8
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
1
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
4
Unchanged
Pos 7
3
Doubled → 6
Pos 8
4
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 9 → 18 → 9 3 → 6 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 1 + 8 + 1 + 1 + 8 + 4 + 6 + 4 + 1 + 4 + 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 1891943478.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Internal Medicine
676 N MICHIGAN AVE, SUITE 3120
CHICAGO, IL 60611
Internal Medicine
676 N MICHIGAN AVE, SUITE 3120
CHICAGO, IL 60611
Dentist
676 N MICHIGAN AVE, SUITE 3500
CHICAGO, IL 60611
Dentist (Prosthodontics)
676 N MICHIGAN AVE
CHICAGO, IL 60611
Dentist
676 N MICHIGAN AVE, 35 TH FLOOR
CHICAGO, IL 60611
Dentist
676 N MICHIGAN AVE, 35TH FLOOR
CHICAGO, IL 60611
Dentist
676 N MICHIGAN AVE, SUITE 3500
CHICAGO, IL 60611
Dentist (General Practice)
676 N MICHIGAN AVE, #3500
CHICAGO, IL 60611
Surgery
676 N MICHIGAN AVE, SUITE 3850
CHICAGO, IL 60611
Exclusive Provider Organization
676 N MICHIGAN AVE, SUITE 3120
CHICAGO, IL 60611
Physician Assistant (Surgical)
676 N MICHIGAN AVE, SUITE 3850
CHICAGO, IL 60611
Dentist (General Practice)
676 N MICHIGAN AVE, SUITE 3500
CHICAGO, IL 60611
Physician Assistant
676 N MICHIGAN AVE
CHICAGO, IL 60611

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1891943478, enumerated as an "individual" on September 08, 2008.

The provider is located at 676 N MICHIGAN AVE SUITE 3850 CHICAGO, IL 60611 and the phone number is (312) 642-4481.

Surgery with taxonomy code 2086S0122X and a focus in Plastic and Reconstructive Surgery.