GEORGE CRAIG MERHOFF SR.
NPI 1811310063
Surgery in Klamath Falls, OR

NPI Status: Active since January 23, 2014

Contact Information

6090 SUNSET RIDGE RD
KLAMATH FALLS, OR
ZIP 97601
Phone: (541) 883-3059

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  • Individual
  • Male
  • Surgery

About GEORGE MERHOFF

This page provides the complete NPI Profile along with additional information for George Merhoff, a provider established in Klamath Falls, Oregon with a medical specialization in Surgery. The healthcare provider is registered in the NPI registry with number 1811310063 assigned on January 2014. The practitioner's primary taxonomy code is 208600000X with license number MD09384 (OR). The provider is registered as an individual and his NPI record was last updated 12 years ago.

NPI
1811310063
Provider Name
GEORGE CRAIG MERHOFF SR.
Other Name
DR. G CRAIG MERHOFF M.D., F.A.C.S.
Other Name Type
Professional Name (2)
Gender
Male
Entity Type
Individual
Location Address
6090 SUNSET RIDGE RD KLAMATH FALLS, OR 97601
Location Phone
(541) 883-3059
Mailing Address
6090 SUNSET RIDGE RD KLAMATH FALLS, OR 97601
Mailing Phone
(541) 883-3059
Is Sole Proprietor?
Yes
Enumeration Date
01-23-2014
Last Update Date
01-23-2014
Code Navigator

A surgeon like George Merhoff treats injuries, diseases, and deformities through surgical operations. A surgeon could correct physical deformities, repair bone and tissue, or perform preventive or elective surgeries. Surgeons also examine patients, perform and interpret diagnostic tests, and provide counsel on preventive healthcare.

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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

Taxonomy Code
208600000X
Type
Allopathic & Osteopathic Physicians
License No.
MD09384
License State
OR
Taxonomy Description
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic 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 1811310063, we treat the final digit (3) 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 47. The final step is to find the difference between that total and the next multiple of ten (50 - 47 = 3).

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

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 2 + 1 + 6 + 1 + 0 + 0 + 1 + 2 + 24 = 47

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

The next multiple of ten after 47 is 50. The difference is the calculated check digit.

50 - 47 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1811310063.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1811310063, enumerated as an "individual" on January 23, 2014.

The provider is located at 6090 SUNSET RIDGE RD KLAMATH FALLS, OR 97601 and the phone number is (541) 883-3059.

Surgery with taxonomy code 208600000X.