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TIFFANY SOMMER CNM, PMHNP
NPI 1619036761
Nurse Practitioner - Psychiatric/Mental Health in Portland, OR

Active since December 06, 2006PECOS EnrolledAccepts Medicare Assignment
700 NE MULTNOMAH ST STE 275, PORTLAND, OR 97232(503) 729-1380 Get Directions Write a Review

NPPES record last updated: October 8, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Oct 8, 2024, Jul 24, 2024 (2 updates tracked since 2024).

About Tiffany Sommer Cnm, Pmhnp NPPES

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

TIFFANY SOMMER CNM, PMHNP (NPI 1619036761) is an individual psychiatric/mental health provider in Portland, Oregon, licensed in Oregon (201601260NP-PP) and active in the NPI registry since December 2006. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

NPPES Registry Identity

NPI1619036761
Entity TypeIndividualFemale
Primary Taxonomy363LP0808X
Provider Legal NameTIFFANY SOMMERCredential: CNM, PMHNP
Location Address700 NE MULTNOMAH ST STE 275Portland, OR 97232-4103
Mailing Address700 Ne Multnomah St Ste 275Portland, OR 97232-4103 · (503) 729-1380
Phone(503) 729-1380
Sole ProprietorNo
Medical School CMSOtherGraduated 2023
Enumeration DateDecember 6, 2006
Last NPPES UpdateOctober 8, 20242 updates tracked since enumeration
NPPES CertifiedOctober 8, 2024
✔ NPI 1619036761 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyNurse Practitioner · Psychiatric/Mental HealthPhysician Assistants & Advanced Practice Nursing Providers
Taxonomy Code363LP0808X
License✔ Licensed in OR · 201601260NP-PP
Also ListedAdvanced Practice MidwifeTaxonomy 367A00000X · License 201601260NP-PP (OR)
700 NE MULTNOMAH ST STE 275, Portland, OR 97232
Open in Google Maps ↗

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc. and more.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Tiffany Sommer Cnm, Pmhnp 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 ID8628078664
PECOS Enrollment IDI20241108000107
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.

Medicare Billing Reassignment

Medicare enrollment records show Tiffany Sommer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Willamette Health & Wellness LLC
Same address
Psychiatric/Mental Health
700 NE MULTNOMAH ST, SUITE 275
Portland, OR 97232
  • Reassigned Medicare billing, Oregon enrollment
  • 24 clinicians in this Medicare group
NPI 1093140188 (503) 729-1380

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97232 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 8

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

REBECCA PIERPONT PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380
JACOB LAZEN
Social Worker (Clinical)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380
MRS. JANETTE MARIE WILKINSON RN, PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380
ISAAC ANIHILI THELIN PMHNP-BC
Nurse Practitioner (Psychiatric/Mental Health)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380
NINA ARMSTRONG
Nurse Practitioner (Psychiatric/Mental Health)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 728-1380
RYAN C HOLLISTER LPC
Counselor (Professional)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380
BENJAMIN RAJ ANDERSON PMHNP
Nurse Practitioner (Psychiatric/Mental Health)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380
ERICA CHRISTINE COHNSTAEDT
Nurse Practitioner (Psychiatric/Mental Health)
700 NE MULTNOMAH ST STE 275
PORTLAND, OR 97232
Multnomah County (503) 729-1380

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Tiffany Sommer's NPI number?

The NPI number for Tiffany Sommer is 1619036761. It was assigned to this individual provider in the NPPES registry on December 6, 2006.

Where is Tiffany Sommer located?

Tiffany Sommer practices at 700 NE Multnomah St Ste 275, Portland, OR 97232. The listed phone number is (503) 729-1380.

What is Tiffany Sommer's specialty?

The primary specialty registered for this NPI is Nurse Practitioner, specializing in Psychiatric/Mental Health, with taxonomy code 363LP0808X.

Is Tiffany Sommer enrolled in Medicare?

Yes. Tiffany Sommer is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

Which organization bills Medicare for Tiffany Sommer's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Tiffany Sommer reassigns Medicare benefits to Willamette Health & Wellness LLC (Portland, OR). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Tiffany Sommer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

What insurance does Tiffany Sommer accept?

Health plans from BridgeSpan Health Company, Kaiser Permanente, Moda Health Plan, Inc., PacificSource Health Plans and Providence Health Plan and 1 other insurer list Tiffany Sommer as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Tiffany Sommer was last updated on October 8, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.