DR. STUART E TRENHOLME M.D.
NPI 1508893553
Internal Medicine - Cardiovascular Disease in Portland, OR

NPI Status: Active since June 26, 2006

Contact Information

9155 SW BARNES RD
431
PORTLAND, OR
ZIP 97225
Phone: (503) 292-4485

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  • Individual
  • Male
  • Internal Medicine
  • Cardiovascular Disease

About STUART TRENHOLME

This page provides the complete NPI Profile along with additional information for Stuart Trenholme, an internist established in Portland, Oregon with a medical specialization in Internal Medicine, focusing in cardiovascular disease . The healthcare provider is registered in the NPI registry with number 1508893553 assigned on June 2006. The practitioner's primary taxonomy code is 207RC0000X with license number MD10483 (OR). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1508893553
Provider Name
DR. STUART E TRENHOLME M.D.
Gender
Male
Entity Type
Individual
Location Address
9155 SW BARNES RD 431 PORTLAND, OR 97225
Location Phone
(503) 292-4485
Mailing Address
9155 SW BARNES RD 431 PORTLAND, OR 97225
Mailing Phone
(503) 292-4485
Is Sole Proprietor?
No
Enumeration Date
06-26-2006
Last Update Date
07-08-2007
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An internist like Stuart Trenholme 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.

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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

Internal Medicine Cardiovascular Disease

Taxonomy Code
207RC0000X
Type
Allopathic & Osteopathic Physicians
License No.
MD10483
License State
OR
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 1508893553, 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 67. The final step is to find the difference between that total and the next multiple of ten (70 - 67 = 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
5
Unchanged
Pos 3
0
Doubled → 0
Pos 4
8
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
9
Unchanged
Pos 7
3
Doubled → 6
Pos 8
5
Unchanged
Pos 9
5
Doubled → 10 → 1 + 0
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 0 → 0 8 → 16 → 7 3 → 6 5 → 10 → 1

Step 2: Add all digits plus the NPI constant

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

2 + 5 + 0 + 8 + 1 + 6 + 9 + 6 + 5 + 1 + 0 + 24 = 67

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

The next multiple of ten after 67 is 70. The difference is the calculated check digit.

70 - 67 = 3
This NPI is valid
The calculated check digit is 3, which matches the last digit of 1508893553.

Other Providers at the Same Location


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

Nurse Practitioner (Family)
9155 SW BARNES RD, STE 740
PORTLAND, OR 97225
Psychiatry & Neurology (Psychiatry)
9155 SW BARNES RD, STE 418
PORTLAND, OR 97225
Ophthalmology
9155 SW BARNES RD, 336
PORTLAND, OR 97225
Plastic Surgery (Surgery of the Hand)
9155 SW BARNES RD, STE 220
PORTLAND, OR 97225
Surgery
9155 SW BARNES RD, STE 217
PORTLAND, OR 97225
Urology
9155 SW BARNES RD, SUITE 836
PORTLAND, OR 97225
Physician Assistant
9155 SW BARNES RD, SUITE 440
PORTLAND, OR 97225
Neurological Surgery
9155 SW BARNES RD, SUITE 440
PORTLAND, OR 97225
Internal Medicine
9155 SW BARNES RD, SUITE 340
PORTLAND, OR 97225
Physical Medicine & Rehabilitation
9155 SW BARNES RD, STE 204
PORTLAND, OR 97225
Internal Medicine (Cardiovascular Disease)
9155 SW BARNES RD, #204
PORTLAND, OR 97225
Internal Medicine
9155 SW BARNES RD, SUITE 238
PORTLAND, OR 97225
Otolaryngology
9155 SW BARNES RD, STE 401
PORTLAND, OR 97225
Physical Medicine & Rehabilitation
9155 SW BARNES RD, #440
PORTLAND, OR 97225
Specialist
9155 SW BARNES RD, SUITE 430
PORTLAND, OR 97225
Specialist
9155 SW BARNES RD, SUITE 430
PORTLAND, OR 97225
Specialist
9155 SW BARNES RD, SUITE 430
PORTLAND, OR 97225
Clinic/Center
9155 SW BARNES RD, SUITE 240
PORTLAND, OR 97225
Thoracic Surgery (Cardiothoracic Vascular Surgery)
9155 SW BARNES RD, STE 240
PORTLAND, OR 97225
Physician Assistant (Surgical)
9155 SW BARNES RD, SUITE 240
PORTLAND, OR 97225

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1508893553, enumerated as an "individual" on June 26, 2006.

The provider is located at 9155 SW BARNES RD 431 PORTLAND, OR 97225 and the phone number is (503) 292-4485.

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