DR. RICHARD DENNIS CHAPMAN M.D.
NPI 1952670713
Thoracic Surgery (Cardiothoracic Vascular Surgery) in West Linn, OR

NPI Status: Active since December 23, 2011

Contact Information

23730 SW STAFFORD HILL DR
WEST LINN, OR
ZIP 97068
Phone: (503) 638-4444
Fax: (503) 638-4440

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  • Individual
  • Male
  • Thoracic Surgery (Cardiothoracic Vascula...

About RICHARD CHAPMAN

This page provides the complete NPI Profile along with additional information for Richard Chapman, a provider established in West Linn, Oregon with a medical specialization in Thoracic Surgery (cardiothoracic Vascular Surgery). The healthcare provider is registered in the NPI registry with number 1952670713 assigned on December 2011. The practitioner's primary taxonomy code is 208G00000X with license number MD07692 (OR). The provider is registered as an individual and his NPI record was last updated 15 years ago.

NPI
1952670713
Provider Name
DR. RICHARD DENNIS CHAPMAN M.D.
Gender
Male
Entity Type
Individual
Location Address
23730 SW STAFFORD HILL DR WEST LINN, OR 97068
Location Phone
(503) 638-4444
Location Fax
(503) 638-4440
Mailing Address
23730 SW STAFFORD HILL DR WEST LINN, OR 97068
Mailing Phone
(503) 638-4444
Mailing Fax
(503) 638-4440
Is Sole Proprietor?
Yes
Enumeration Date
12-23-2011
Last Update Date
12-23-2011
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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

Thoracic Surgery (Cardiothoracic Vascular Surgery)

Taxonomy Code
208G00000X
Type
Allopathic & Osteopathic Physicians
License No.
MD07692
License State
OR
Taxonomy Description
A thoracic surgeon provides the operative, perioperative and critical care of patients with pathologic conditions within the chest. Included is the surgical care of coronary artery disease, cancers of the lung, esophagus and chest wall, abnormalities of the trachea, abnormalities of the great vessels and heart valves, congenital anomalies, tumors of the mediastinum and diseases of the diaphragm. The management of the airway and injuries of the chest is within the scope of the specialty.

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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 1952670713, 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 57. The final step is to find the difference between that total and the next multiple of ten (60 - 57 = 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
9
Unchanged
Pos 3
5
Doubled → 10 → 1 + 0
Pos 4
2
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
0
Doubled → 0
Pos 8
7
Unchanged
Pos 9
1
Doubled → 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 5 → 10 → 1 6 → 12 → 3 0 → 0 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 9 + 1 + 0 + 2 + 1 + 2 + 7 + 0 + 7 + 2 + 24 = 57

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

The next multiple of ten after 57 is 60. The difference is the calculated check digit.

60 - 57 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1952670713.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1952670713, enumerated as an "individual" on December 23, 2011.

The provider is located at 23730 SW STAFFORD HILL DR WEST LINN, OR 97068 and the phone number is (503) 638-4444.

Thoracic Surgery (Cardiothoracic Vascular Surgery) with taxonomy code 208G00000X.