DR. GREG CHRISTIAN LARSEN M.D.
NPI 1295764504
Internal Medicine - Interventional Cardiology in Portland, OR

NPI Status: Active since June 30, 2006

Contact Information

3710 SW US VETERANS HOSPITAL RD
CARDIOLOGY SECTION, P-3-CARD
PORTLAND, OR
ZIP 97239
Phone: (503) 220-8262

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  • Individual
  • Male
  • Internal Medicine
  • Interventional Cardiology

About GREG LARSEN

This page provides the complete NPI Profile along with additional information for Greg Larsen, an internist established in Portland, Oregon with a medical specialization in Internal Medicine, focusing in interventional cardiology . The healthcare provider is registered in the NPI registry with number 1295764504 assigned on June 2006. The practitioner's primary taxonomy code is 207RI0011X with license number 14496 (OR). The provider is registered as an individual and his NPI record was last updated 19 years ago.

NPI
1295764504
Provider Name
DR. GREG CHRISTIAN LARSEN M.D.
Gender
Male
Entity Type
Individual
Location Address
3710 SW US VETERANS HOSPITAL RD CARDIOLOGY SECTION, P-3-CARD PORTLAND, OR 97239
Location Phone
(503) 220-8262
Mailing Address
PO BOX 1034 PORTLAND VA MEDICAL CENTER, P-3-CARD PORTLAND, OR 97207
Mailing Phone
(503) 220-8262
Is Sole Proprietor?
No
Enumeration Date
06-30-2006
Last Update Date
07-10-2007
Code Navigator

An internist like Greg Larsen 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 Interventional Cardiology

Taxonomy Code
207RI0011X
Type
Allopathic & Osteopathic Physicians
License No.
14496
License State
OR
Taxonomy Description
An area of medicine within the subspecialty of cardiology, which uses specialized imaging and other diagnostic techniques to evaluate blood flow and pressure in the coronary arteries and chambers of the heart and uses technical procedures and medications to treat abnormalities that impair the function of the cardiovascular system.

Insurance Plans Accepted

According to publicly available information the provider might be accepting the following health plans from these health insurance companies:

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

Specific plan information not avaialable, please contact the provider to verify if your insurance plan is accepted.

*Please verify directly with this provider to make sure your insurance plan is currently accepted.

Additional Identifiers

The NPI Enumerator encourages providers to submit additional identifiers with their NPI application although the submission of this information is optional. The additional identifier(s) section includes other numbers or codes currently or formerly used as an identifier for the provider by other public healthcare entities. The identifiers may include UPIN, NSC, OSCAR, DEA, Medicaid State or PIN identification numbers.

Identifier Type / Code Identifier State Identifier Issuer
145359MEDICAID (05)OR 
D32845MEDICARE UPIN (02)OR 

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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 1295764504, we treat the final digit (4) 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 66. The final step is to find the difference between that total and the next multiple of ten (70 - 66 = 4).

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
2
Unchanged
Pos 3
9
Doubled → 18 → 1 + 8
Pos 4
5
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
6
Unchanged
Pos 7
4
Doubled → 8
Pos 8
5
Unchanged
Pos 9
0
Doubled → 0
Check
4
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 7 → 14 → 5 4 → 8 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 8 + 5 + 1 + 4 + 6 + 8 + 5 + 0 + 24 = 66

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

The next multiple of ten after 66 is 70. The difference is the calculated check digit.

70 - 66 = 4
This NPI is valid
The calculated check digit is 4, which matches the last digit of 1295764504.

Other Providers at the Same Location


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

Emergency Medicine
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Psychologist (Clinical)
3710 SW US VETERANS HOSPITAL RD, V3-SATP
PORTLAND, OR 97239
Nurse Practitioner (Family)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Pathology (Anatomic Pathology)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Internal Medicine
3710 SW US VETERANS HOSPITAL RD, ATTN: EAST CBOC
PORTLAND, OR 97239
Physical Therapist
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Clinical Nurse Specialist (Perioperative)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Nurse Practitioner (Family)
3710 SW US VETERANS HOSPITAL RD, MAIL CODE P5NPS
PORTLAND, OR 97239
Nurse Practitioner
3710 SW US VETERANS HOSPITAL RD, BOX 1034
PORTLAND, OR 97239
Kinesiotherapist
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Nurse Practitioner (Adult Health)
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Internal Medicine (Clinical Cardiac Electrophysiology)
3710 SW US VETERANS HOSPITAL RD, P-3-CARD
PORTLAND, OR 97239
Pharmacist
3710 SW US VETERANS HOSPITAL RD, P2PHAR
PORTLAND, OR 97239
Pharmacist
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Speech-Language Pathologist
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Internal Medicine
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Speech-Language Pathologist
3710 SW US VETERANS HOSPITAL RD, P5AUD
PORTLAND, OR 97239
Emergency Medicine
3710 SW US VETERANS HOSPITAL RD
PORTLAND, OR 97239
Pharmacist
3710 SW US VETERANS HOSPITAL RD, PORTLAND VA MEDICAL CENTER P-5-PHAR
PORTLAND, OR 97239
Social Worker (Clinical)
3710 SW US VETERANS HOSPITAL RD, P3MHDC
PORTLAND, OR 97239

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1295764504, enumerated as an "individual" on June 30, 2006.

The provider is located at 3710 SW US VETERANS HOSPITAL RD CARDIOLOGY SECTION, P-3-CARD PORTLAND, OR 97239 and the phone number is (503) 220-8262.

Internal Medicine with taxonomy code 207RI0011X and a focus in Interventional Cardiology.

The provider might be accepting Accepts: Medicare and Medicaid. Please consult your insurance carrier or call the provider to verify.