JESSI JAYNE LANDWEHR
NPI 1235929274
Marriage & Family Therapist in Mcminnville, OR

NPI Status: Active since May 12, 2025

Contact Information

609 NE BAKER ST STE 260
MCMINNVILLE, OR
ZIP 97128
Phone: (971) 213-5025

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  • Individual
  • Female
  • Marriage & Family Therapist

About JESSI LANDWEHR

This page provides the complete NPI Profile along with additional information for Jessi Landwehr, a provider established in Mcminnville, Oregon with a medical specialization in Marriage & Family Therapist. The healthcare provider is registered in the NPI registry with number 1235929274 assigned on May 2025. The practitioner's primary taxonomy code is 106H00000X with license number R9356 (OR). The provider is registered as an individual and her NPI record was last updated May 2026.

NPI
1235929274
Provider Name
JESSI JAYNE LANDWEHR
Gender
Female
Entity Type
Individual
Location Address
609 NE BAKER ST STE 260 MCMINNVILLE, OR 97128
Location Phone
(971) 213-5025
Mailing Address
2809 NE ZIMRI DR NEWBERG, OR 97132
Mailing Phone
(206) 786-3667
Is Sole Proprietor?
No
Enumeration Date
05-12-2025
Last Update Date
05-29-2026
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A marriage and family therapist like Jessi Landwehr help patients manage problems with their family and other relationships. Marriage and family therapists encourage clients to discuss their emotions and experiences and, develop strategies and skills to change behavior and cope with difficult situations. Many therapists apply cognitive behavioral therapy to help patients understand harmful thoughts, feelings, and also teach patients how to replace them with positive, life-enhancing ones.

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

Marriage & Family Therapist

Taxonomy Code
106H00000X
Type
Behavioral Health & Social Service Providers
License No.
R9356
License State
OR
Taxonomy Description
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.

Secondary Taxonomies

The provider has reported to the NPI enumerator additional taxonomy codes. Multiple taxonomy codes may represent subspecialties or other areas of specialization the provider maybe licensed to practice.

No. Taxonomy Code Type Classification /
Specialization
License No. (State)
1101YM0800XBehavioral Health & Social Service Providers

Counselor
Mental Health

 

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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 1235929274, 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
3
Doubled → 6
Pos 4
5
Unchanged
Pos 5
9
Doubled → 18 → 1 + 8
Pos 6
2
Unchanged
Pos 7
9
Doubled → 18 → 1 + 8
Pos 8
2
Unchanged
Pos 9
7
Doubled → 14 → 1 + 4
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 3 → 6 9 → 18 → 9 9 → 18 → 9 7 → 14 → 5

Step 2: Add all digits plus the NPI constant

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

2 + 2 + 6 + 5 + 1 + 8 + 2 + 1 + 8 + 2 + 1 + 4 + 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 1235929274.

Other Providers at the Same Location


The following 13 providers are registered at the same or a nearby location.

Counselor (Professional)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Professional)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Marriage & Family Therapist
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Professional)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Professional)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Professional)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Professional)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Mental Health)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Social Worker (Clinical)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Marriage & Family Therapist
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Counselor (Mental Health)
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Marriage & Family Therapist
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128
Marriage & Family Therapist
609 NE BAKER ST STE 260
MCMINNVILLE, OR 97128

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1235929274, enumerated as an "individual" on May 12, 2025.

The provider is located at 609 NE BAKER ST STE 260 MCMINNVILLE, OR 97128 and the phone number is (971) 213-5025.

Marriage & Family Therapist with taxonomy code 106H00000X.