DR. JENNIFER DALE SIMPSON
NPI 1255445425
Internal Medicine - Rheumatology in Portland, OR

NPI Status: Active since August 17, 2006

Contact Information

3550 N INTERSTATE AVE
PORTLAND, OR
ZIP 97227
Phone: (503) 904-7778

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  • Individual
  • Female
  • Internal Medicine
  • Rheumatology

About JENNIFER SIMPSON

This page provides the complete NPI Profile along with additional information for Jennifer Simpson, an internist established in Portland, Oregon with a medical specialization in Internal Medicine, focusing in rheumatology . The healthcare provider is registered in the NPI registry with number 1255445425 assigned on August 2006. The practitioner's primary taxonomy code is 207RR0500X with license number OR MD17884 (OR). The provider is registered as an individual and her NPI record was last updated 19 years ago.

NPI
1255445425
Provider Name
DR. JENNIFER DALE SIMPSON
Gender
Female
Entity Type
Individual
Location Address
3550 N INTERSTATE AVE PORTLAND, OR 97227
Location Phone
(503) 904-7778
Mailing Address
3414 N INTERSTATE AVE PORTLAND, OR 97227
Mailing Phone
(503) 331-6439
Is Sole Proprietor?
Yes
Enumeration Date
08-17-2006
Last Update Date
07-08-2007
Code Navigator

An internist like Jennifer Simpson 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.

Location Map

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 Rheumatology

Taxonomy Code
207RR0500X
Type
Allopathic & Osteopathic Physicians
License No.
OR MD17884
License State
OR
Taxonomy Description
An internist who treats diseases of joints, muscle, bones and tendons. This specialist diagnoses and treats arthritis, back pain, muscle strains, common athletic injuries and collagen diseases.

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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 1255445425, we treat the final digit (5) 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 55. The final step is to find the difference between that total and the next multiple of ten (60 - 55 = 5).

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
5
Doubled → 10 → 1 + 0
Pos 4
5
Unchanged
Pos 5
4
Doubled → 8
Pos 6
4
Unchanged
Pos 7
5
Doubled → 10 → 1 + 0
Pos 8
4
Unchanged
Pos 9
2
Doubled → 4
Check
5
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 4 → 8 5 → 10 → 1 2 → 4

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 1 + 0 + 5 + 8 + 4 + 1 + 0 + 4 + 4 + 24 = 55

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

The next multiple of ten after 55 is 60. The difference is the calculated check digit.

60 - 55 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1255445425.

Other Providers at the Same Location


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

Neuromusculoskeletal Medicine & OMM
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Psychiatry & Neurology (Psychiatry)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Obstetrics & Gynecology
3550 N INTERSTATE AVE, KAISER PERMANENTE, DEPT. OF OBSTETRICS & GYNECOLOGY
PORTLAND, OR 97227
Obstetrics & Gynecology
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Internal Medicine
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Nurse Practitioner (Adult Health)
3550 N INTERSTATE AVE, KAISER PERMANENTE INTERSTATE MEDICAL OFFICE E
PORTLAND, OR 97227
Social Worker (Clinical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Social Worker
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Internal Medicine
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Physician Assistant
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Internal Medicine (Rheumatology)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Nurse Practitioner
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Internal Medicine
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Social Worker (Clinical)
3550 N INTERSTATE AVE, KAISER PERMANENTE- INTERSTATE MEDICAL OFFICE EAST
PORTLAND, OR 97227
Internal Medicine
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Physician Assistant (Medical)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Pediatrics
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Counselor (Mental Health)
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Family Medicine
3550 N INTERSTATE AVE
PORTLAND, OR 97227
Nurse Practitioner (Adult Health)
3550 N INTERSTATE AVE
PORTLAND, OR 97227

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1255445425, enumerated as an "individual" on August 17, 2006.

The provider is located at 3550 N INTERSTATE AVE PORTLAND, OR 97227 and the phone number is (503) 904-7778.

Internal Medicine with taxonomy code 207RR0500X and a focus in Rheumatology.