ALLERGY CLINIC LLC
NPI 1679790604
Allergy & Immunology - Allergy in Portland, OR

NPI Status: Active since April 19, 2007

Contact Information

511 SW 10TH AVE
SUITE 1301
PORTLAND, OR
ZIP 97205
Phone: (503) 228-0155
Fax: (503) 226-8342

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  • Organization
  • Allergy & Immunology
  • Allergy

About ALLERGY CLINIC LLC

This page provides the complete NPI Profile along with additional information for Allergy Clinic Llc, a provider established in Portland, Oregon operating as a Allergy & Immunology, focusing in allergy . The healthcare provider is registered in the NPI registry with number 1679790604 assigned on April 2007. The practitioner's primary taxonomy code is 207KA0200X with license number 13450 (OR). The provider is registered as an organization and their NPI record was last updated 6 years ago. The organization operates as a Single Specialty Group with one or more individual practitioners, all of who practice with the same area of specialization. The authorized official of this NPI record is Dr. Mark Thomas O'hollaren M.d. (Owner)

NPI
1679790604
Provider Name
ALLERGY CLINIC LLC
Entity Type
Organization
Location Address
511 SW 10TH AVE SUITE 1301 PORTLAND, OR 97205
Location Phone
(503) 228-0155
Location Fax
(503) 226-8342
Mailing Address
511 SW 10TH AVE SUITE 1301 PORTLAND, OR 97205
Mailing Phone
(503) 228-0155
Mailing Fax
(503) 226-8342
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
04-19-2007
Last Update Date
08-22-2020
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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

Allergy & Immunology Allergy

Taxonomy Code
207KA0200X
Type
Allopathic & Osteopathic Physicians
License No.
13450
License State
OR
Taxonomy Description
A physician who specializes in the diagnosis, treatment, and management of allergies. Source: National Uniform Claim Committee

Group Taxonomy 193400000X SINGLE SPECIALTY GROUP

This provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.

Authorized Official

The authorized official is the designated individual with the legal authority to make changes to the provider’s official NPI record. For organizations, the authorized official must be a general partner, chairman of the board, CEO, CFO or a direct owner holding at least a 5 percent stake in the medical organization.

Authorized Official Name

DR. MARK THOMAS O'HOLLAREN M.D.

Authorized Official Title
OWNER
Authorized Official Phone
(503) 228-0155

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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 1679790604, 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
6
Unchanged
Pos 3
7
Doubled → 14 → 1 + 4
Pos 4
9
Unchanged
Pos 5
7
Doubled → 14 → 1 + 4
Pos 6
9
Unchanged
Pos 7
0
Doubled → 0
Pos 8
6
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 7 → 14 → 5 7 → 14 → 5 0 → 0 0 → 0

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 4 + 9 + 1 + 4 + 9 + 0 + 6 + 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 1679790604.

Other Providers at the Same Location


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

Optometrist
511 SW 10TH AVE, SUITE 500
PORTLAND, OR 97205
Optometrist (Vision Therapy)
511 SW 10TH AVE, SUITE 500
PORTLAND, OR 97205
Optometrist
511 SW 10TH AVE, SUITE 500
PORTLAND, OR 97205
Optometrist
511 SW 10TH AVE, SUITE 500
PORTLAND, OR 97205
Dietitian, Registered
511 SW 10TH AVE, 1006
PORTLAND, OR 97205
Dentist (General Practice)
511 SW 10TH AVE, SUITE #707
PORTLAND, OR 97205
Optometrist (Vision Therapy)
511 SW 10TH AVE, SUITE 500
PORTLAND, OR 97205
Dentist (General Practice)
511 SW 10TH AVE, SUITE 1206
PORTLAND, OR 97205
Social Worker (Clinical)
511 SW 10TH AVE, SUITE 614
PORTLAND, OR 97205
Acupuncturist
511 SW 10TH AVE, STE 615
PORTLAND, OR 97205
Allergy & Immunology
511 SW 10TH AVE, SUITE 1301
PORTLAND, OR 97205
Allergy & Immunology (Allergy)
511 SW 10TH AVE, SUITE 1301
PORTLAND, OR 97205
Dentist
511 SW 10TH AVE, SUITE 1206
PORTLAND, OR 97205
Dentist (General Practice)
511 SW 10TH AVE, #1305
PORTLAND, OR 97205
Psychologist (Clinical)
511 SW 10TH AVE, SUITE 400
PORTLAND, OR 97205
Obstetrics & Gynecology (Gynecology)
511 SW 10TH AVE, SUITE 905
PORTLAND, OR 97205
Dentist (General Practice)
511 SW 10TH AVE, #1107
PORTLAND, OR 97205
Dentist (Orthodontics and Dentofacial Orthopedics)
511 SW 10TH AVE, SUITE 1307
PORTLAND, OR 97205
Dentist (General Practice)
511 SW 10TH AVE, #902
PORTLAND, OR 97205
Family Medicine
511 SW 10TH AVE
PORTLAND, OR 97205

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1679790604, enumerated as an "organization" on April 19, 2007.

The provider is located at 511 SW 10TH AVE SUITE 1301 PORTLAND, OR 97205 and the phone number is (503) 228-0155.

Allergy & Immunology with taxonomy code 207KA0200X and a focus in Allergy.