KAREN WINCHESTER, M.D., P.C.
NPI 1669848495
Clinic/Center in Portland, OR

NPI Status: Active since August 17, 2015

Contact Information

7724 SW 31ST AVE
PORTLAND, OR
ZIP 97219
Phone: (503) 239-7733
Fax: (503) 232-0193

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  • Organization
  • Clinic/Center

About KAREN WINCHESTER, M.D., P.C.

This page provides the complete NPI Profile along with additional information for Karen Winchester, M.d., P.c., a provider established in Portland, Oregon operating as a Clinic/center. The healthcare provider is registered in the NPI registry with number 1669848495 assigned on August 2015. The practitioner's primary taxonomy code is 261Q00000X with license number MD21043 (OR). The provider is registered as an organization and their NPI record was last updated 11 years ago. The authorized official of this NPI record is Dr. Karen Winchester M.d. (President)

NPI
1669848495
Provider Name
KAREN WINCHESTER, M.D., P.C.
Entity Type
Organization
Location Address
7724 SW 31ST AVE PORTLAND, OR 97219
Location Phone
(503) 239-7733
Location Fax
(503) 232-0193
Mailing Address
7724 SW 31ST AVE PORTLAND, OR 97219
Mailing Phone
(503) 239-7733
Mailing Fax
(503) 232-0193
Is Sole Proprietor?
No
Is Organization Subpart?
No
Enumeration Date
08-17-2015
Last Update Date
08-17-2015
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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

Clinic/Center

Taxonomy Code
261Q00000X
Type
Ambulatory Health Care Facilities
License No.
MD21043
License State
OR
Taxonomy Description
A facility or distinct part of one used for the diagnosis and treatment of outpatients. Clinic/Center is irregularly defined, sometimes being limited to organizations serving specialized treatment requirements or distinct patient/client groups (e.g., radiology, poor, and public health).

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. KAREN WINCHESTER M.D.

Authorized Official Title
PRESIDENT
Authorized Official Phone
(503) 475-3300

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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 1669848495, 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 75. The final step is to find the difference between that total and the next multiple of ten (80 - 75 = 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
6
Unchanged
Pos 3
6
Doubled → 12 → 1 + 2
Pos 4
9
Unchanged
Pos 5
8
Doubled → 16 → 1 + 6
Pos 6
4
Unchanged
Pos 7
8
Doubled → 16 → 1 + 6
Pos 8
4
Unchanged
Pos 9
9
Doubled → 18 → 1 + 8
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 6 → 12 → 3 8 → 16 → 7 8 → 16 → 7 9 → 18 → 9

Step 2: Add all digits plus the NPI constant

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

2 + 6 + 1 + 2 + 9 + 1 + 6 + 4 + 1 + 6 + 4 + 1 + 8 + 24 = 75

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

The next multiple of ten after 75 is 80. The difference is the calculated check digit.

80 - 75 = 5
This NPI is valid
The calculated check digit is 5, which matches the last digit of 1669848495.

Other Providers at the Same Location


The following 2 providers are registered at the same or a nearby location.

Ophthalmology
7724 SW 31ST AVE
PORTLAND, OR 97219
Massage Therapist
7724 SW 31ST AVE
PORTLAND, OR 97219

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1669848495, enumerated as an "organization" on August 17, 2015.

The provider is located at 7724 SW 31ST AVE PORTLAND, OR 97219 and the phone number is (503) 239-7733.

Clinic/Center with taxonomy code 261Q00000X.