STEFANIE MARIE DIEFFENBACH WHNP-BC
NPI 1033965744
Nurse Practitioner - Women's Health in Portland, OR

Q: What is Stefanie Dieffenbach's NPI number?

The NPI number for Stefanie Dieffenbach is 1033965744. It was assigned to this individual provider in the NPPES registry on April 24, 2024.

Q: What is Stefanie Dieffenbach's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Women's Health, with taxonomy code 363LW0102X.

Active since April 24, 2024PECOS EnrolledAccepts Medicare Assignment

545 NE 47TH AVE STE 102, PORTLAND, OR 97213(503) 215-6262 Get Directions Write a Review

NPPES record last updated: April 24, 2024. Verified against the NPPES registry weekly; last sync: August 02, 2026.

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About Stefanie Marie Dieffenbach Whnp-bc NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

STEFANIE MARIE DIEFFENBACH WHNP-BC (NPI 1033965744) is an individual women's health provider in Portland, Oregon, licensed in Oregon (10025329) and active in the NPI registry since April 2024. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1033965744

Entity TypeIndividualFemale

Primary Taxonomy363LW0102X

Provider Legal NameSTEFANIE MARIE DIEFFENBACHCredential: WHNP-BC

Location Address545 NE 47TH AVE STE 102Portland, OR 97213-2237

Mailing Address545 Ne 47th Ave Ste 102Portland, OR 97213-2237 · (503) 215-6565

Phone(503) 215-6262

Sole ProprietorYes

Medical School CMSOtherGraduated 2023

Enumeration DateApril 24, 2024

NPPES CertifiedApril 24, 2024

✔ NPI 1033965744 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyNurse Practitioner · Women's HealthPhysician Assistants & Advanced Practice Nursing Providers

Taxonomy Code363LW0102X

License✔ Licensed in OR · 10025329

545 NE 47TH AVE STE 102, Portland, OR 97213

Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Providence Health Plan.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Stefanie Marie Dieffenbach Whnp-bc is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID749722858

PECOS Enrollment IDI20240604003861

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment✔ Home Health Agency✔ Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97213 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient

$90.51 typical visit price

range $58.99 – $176.88

Typical copayment $22.62 (range $14.74 – $44.22)

Most-billed visit code 99203

Established Patient

$103.51 typical visit price

range $19.32 – $144.79

Typical copayment $25.87 (range $4.83 – $36.19)

Most-billed visit code 99214

Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

Other Providers at the Same Location NPPES 6

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

DR. GABRIELLE SIMONE ALEXANDER M.D

Obstetrics & Gynecology