JENNIFER LYN OSTRICK CRONRATH FNP-C
NPI 1841672011
Nurse Practitioner - Family in Portland, OR

NPI Status: Active since June 24, 2015

Contact Information

5441 S MACADAM AVE STE 5262
PORTLAND, OR
ZIP 97239
Phone: (503) 610-2066
Fax: (503) 447-6416

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  • Individual
  • Female
  • Nurse Practitioner
  • Family

About JENNIFER OSTRICK CRONRATH

This page provides the complete NPI Profile along with additional information for Jennifer Ostrick Cronrath, a provider established in Portland, Oregon with a medical specialization in Nurse Practitioner, focusing in family . The healthcare provider is registered in the NPI registry with number 1841672011 assigned on June 2015. The practitioner's primary taxonomy code is 363LF0000X with license number 10049644 (OR). The provider is registered as an individual and her NPI record was last updated December 2025.

NPI
1841672011
Provider Name
JENNIFER LYN OSTRICK CRONRATH FNP-C
Other Name
JENNIFER OSTRICK FNP-C
Other Name Type
Professional Name (2)
Gender
Female
Entity Type
Individual
Location Address
5441 S MACADAM AVE STE 5262 PORTLAND, OR 97239
Location Phone
(503) 610-2066
Location Fax
(503) 447-6416
Mailing Address
PO BOX 3007 PORTLAND, OR 97208
Is Sole Proprietor?
Yes
Enumeration Date
06-24-2015
Last Update Date
12-19-2025
Code Navigator

A nurse practitioner (NP) like Jennifer Ostrick Cronrath is an experienced registered nurse with a master’s or doctoral degree and advanced clinical training. Nurse practitioners can work in many different specialties including primary care, pediatrics, cardiology, emergency, women’s health, oncology or geriatrics. Nurse practitioners provide services like physical exams, order laboratory tests, manage diseases, write prescriptions, 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

Nurse Practitioner Family

Taxonomy Code
363LF0000X
Type
Physician Assistants & Advanced Practice Nursing Providers
License No.
10049644
License State
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 1841672011, we treat the final digit (1) 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 59. The final step is to find the difference between that total and the next multiple of ten (60 - 59 = 1).

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
8
Unchanged
Pos 3
4
Doubled → 8
Pos 4
1
Unchanged
Pos 5
6
Doubled → 12 → 1 + 2
Pos 6
7
Unchanged
Pos 7
2
Doubled → 4
Pos 8
0
Unchanged
Pos 9
1
Doubled → 2
Check
1
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 4 → 8 6 → 12 → 3 2 → 4 1 → 2

Step 2: Add all digits plus the NPI constant

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

2 + 8 + 8 + 1 + 1 + 2 + 7 + 4 + 0 + 2 + 24 = 59

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

The next multiple of ten after 59 is 60. The difference is the calculated check digit.

60 - 59 = 1
This NPI is valid
The calculated check digit is 1, which matches the last digit of 1841672011.

Frequently Asked Questions

The NPI number assigned to this healthcare provider is 1841672011, enumerated as an "individual" on June 24, 2015.

The provider is located at 5441 S MACADAM AVE STE 5262 PORTLAND, OR 97239 and the phone number is (503) 610-2066.

Nurse Practitioner with taxonomy code 363LF0000X and a focus in Family.