ALYSSA MARIE O'BRIEN RD
NPI 1023483799
Dietitian, Registered in Portland, OR

Q: What is Alyssa O'brien's NPI number?

The NPI number for Alyssa O'brien is 1023483799. It was assigned to this individual provider in the NPPES registry on December 7, 2015.

Q: What is Alyssa O'brien's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Q: When was this NPI record last updated?

The NPPES record for Alyssa O'brien was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.

Active since December 07, 2015Accepts Medicare Assignment

1111 NE 99TH AVE, PORTLAND, OR 97220(503) 963-2707(503) 963-2802 Get Directions Write a Review

NPPES record last updated: July 21, 2022. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 21, 2022, Mar 17, 2018, Sep 22, 2017 and 2 more (5 updates tracked since 2015).

On this page

About Alyssa Marie O'brien Rd NPPES

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

ALYSSA MARIE O'BRIEN RD (NPI 1023483799) is an individual dietitian, registered in Portland, Oregon, licensed in Oregon (LD-D-10184454) and active in the NPI registry since December 2015. She maintains 3 additional practice locations and is a graduate of Other (2008).

NPPES Registry Identity

NPI1023483799

Entity TypeIndividualFemale

Primary Taxonomy133V00000X

Provider Legal NameALYSSA MARIE O'BRIENCredential: RD

Location Address1111 NE 99TH AVEPortland, OR 97220-9428

Mailing Address847 Ne 19th Ave Ste 300Portland, OR 97232-2686 · (503) 963-2801 · Fax (503) 963-2825

Phone(503) 963-2707

Fax(503) 963-2802

Sole ProprietorNo

Medical School CMSOtherGraduated 2008

Enumeration DateDecember 7, 2015

Last NPPES UpdateJuly 21, 20225 updates tracked since enumeration

✔ NPI 1023483799 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyDietitian, RegisteredDietary & Nutritional Service Providers

Taxonomy Code133V00000X

Licenses✔ Licensed in OR · LD-D-10184454✔ Licensed · 984417

Definition

A Registered Dietitian (RD)/Registered Dietitian Nutritionist (RDN) is an individual uniquely trained in the science of nutrition and practice of dietetics to design and provide medical nutrition therapy (MNT) and other evidence-based applications of the Nutrition Care Process (NCP) that exemplify the profession's systematic approach to providing high quality nutrition care. Registered dietitians provide MNT for the purpose of disease prevention or management, or to treat or rehabilitate an illness, injury, or condition, with the use of specific, indicated physical and cognitive nutrition care services comprised of one or more of the following aspects of the NCP: nutrition assessment/reassessment, nutrition diagnosis, nutrition intervention (e.g., nutrition counseling, therapeutic diet ordering, and nutrition education) and nutrition monitoring and evaluation.

1111 NE 99TH AVE, Portland, OR 97220

Open in Google Maps ↗

Secondary Practice Locations 3

Location 11508 Division St Ste 15Oregon City, OR 97045-1583 · Phone (503) 692-3750 · Fax (503) 691-2324

Location 29701 SW Barnes Rd Ste 300Portland, OR 97225-6689 · Phone (503) 297-8081 · Fax (503) 292-6601

Location 319250 SW 90th AveTualatin, OR 97062-7585 · Phone (503) 692-3750 · Fax (503) 691-2324

Other Identifiers 2

Medicaid2086834WA

Medicaid500732181OR

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan and more.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

Alyssa Marie O'brien Rd 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 ID1951675495

PECOS Enrollment IDI20170921001075

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97220 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

$0.00 typical visit price

range $58.99 – $176.88

Typical copayment $0.00 (range $14.74 – $44.22)

Most-billed visit code NA

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.

Leave this field empty

Other Providers at the Same Location NPPES 20

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

LOUIS SAMUELS LIBBY MD

Internal Medicine (Pulmonary Disease)

1111 NE 99TH AVE, SUITE 200
PORTLAND, OR 97220

Multnomah County (503) 963-3030

DOUGLAS CRAIG WALTA MD

Internal Medicine (Gastroenterology)

1111 NE 99TH AVE, SUITE 301
PORTLAND, OR 97220

Multnomah County (503) 963-2707

JERZY O GIEDWOYN MD

Internal Medicine (Cardiovascular Disease)

1111 NE 99TH AVE, SUITE 201
PORTLAND, OR 97220

Multnomah County (503) 962-1000

DR. AMY LI RONG ZHU MD

Internal Medicine (Gastroenterology)

1111 NE 99TH AVE
PORTLAND, OR 97220

Multnomah County (503) 963-2707

MISS JACKIE MARCELLA WOLF PT

Physical Therapist

1111 NE 99TH AVE
PORTLAND, OR 97220

Multnomah County (503) 216-5410

STEPHEN JOHN YERMAL

Nurse Anesthetist, Certified Registered

1111 NE 99TH AVE, SUITE 302
PORTLAND, OR 97220

Multnomah County (503) 963-2763

THE OREGON CLINIC PC

Clinic/Center (Endoscopy)

1111 NE 99TH AVE
PORTLAND, OR 97220

Multnomah County (503) 963-2801

JOHN GUY MASTRONARDE MD

Internal Medicine (Pulmonary Disease)

1111 NE 99TH AVE
PORTLAND, OR 97220

Multnomah County (503) 963-3030

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 Alyssa O'brien's NPI number?

The NPI number for Alyssa O'brien is 1023483799. It was assigned to this individual provider in the NPPES registry on December 7, 2015.

Where is Alyssa O'brien located?

Alyssa O'brien practices at 1111 NE 99th Ave, Portland, OR 97220. The listed phone number is (503) 963-2707.

What is Alyssa O'brien's specialty?

The primary specialty registered for this NPI is Dietitian, Registered with taxonomy code 133V00000X.

Is Alyssa O'brien enrolled in Medicare?

Yes. Alyssa O'brien 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.

What insurance does Alyssa O'brien accept?

Health plans from BridgeSpan Health Company, PacificSource Health Plans, Providence Health Plan and Regence BlueCross BlueShield of Oregon list Alyssa O'brien 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 Alyssa O'brien was last updated on July 21, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.