DIANA BUI PA-C
NPI 1154829513
Family Medicine in Portland, OR

Q: What is Diana Bui's NPI number?

The NPI number for Diana Bui is 1154829513. It was assigned to this individual provider in the NPPES registry on January 31, 2018.

Q: What is Diana Bui's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Q: When was this NPI record last updated?

The NPPES record for Diana Bui was last updated on July 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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 January 31, 2018PECOS EnrolledAccepts Medicare Assignment

87.76/100

CMS Quality Rating

4141 N WILLIAMS AVE STE 9A, PORTLAND, OR 97217(888) 663-6331 Get Directions Write a Review

NPPES record last updated: July 27, 2021. Verified against the NPPES registry weekly; last sync: August 09, 2026.

On this page

About Diana Bui Pa-c NPPES

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

DIANA BUI PA-C (NPI 1154829513) is an individual family medicine provider in Portland, Oregon, licensed in Oregon (185674) and active in the NPI registry since January 2018. She is enrolled in Medicare PECOS, is affiliated with Providence Portland Medical Center, and maintains a secondary practice location in Portland.

NPPES Registry Identity

NPI1154829513

Entity TypeIndividualFemale

Primary Taxonomy207Q00000X

Provider Legal NameDIANA BUICredential: PA-C

Location Address4141 N WILLIAMS AVE STE 9APortland, OR 97217-2988

Mailing Address1 Embarcadero Ctr Ste 1900San Francisco, CA 94111-3723 · (415) 658-6791

Phone(888) 663-6331

Sole ProprietorNo

Medical School CMSOtherGraduated 2017

Enumeration DateJanuary 31, 2018

Last NPPES UpdateJuly 27, 2021

NPPES CertifiedJuly 27, 2021

✔ NPI 1154829513 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians

Taxonomy Code207Q00000X

License✔ Licensed in OR · 185674

Definition

Family Medicine is the medical specialty which is concerned with the total health care of the individual and the family. It is the specialty in breadth which integrates the biological, clinical, and behavioral sciences. The scope of family medicine is not limited by age, sex, organ system, or disease entity.

4141 N WILLIAMS AVE STE 9A, Portland, OR 97217

Open in Google Maps ↗

Secondary Practice Location 1

Location 18122 SE Tibbetts StPortland, OR 97206-1768 · Phone (503) 412-8545

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

Diana Bui Pa-c 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 ID4284998790

PECOS Enrollment IDI20210708001639

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.

Areas of Expertise CMS Part B claims

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213

This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.

13 services11 patients

Hospital Affiliations CMS Care Compare

Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.

Providence Portland Medical Center

Acute Care Hospitals · Portland, OR

3/5 CMS rating

OwnershipVoluntary non-profit - Private

CMS Certification Number380061

Location4805 NE Glisan StreetPortland, OR 97213 · Multnomah County

Emergency services Birthing friendly

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 97217 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.

Medicare Quality Performance CMS QPP · MIPS

Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.

87.76/100

MIPS Final ScoreMerit-based Incentive Payment System · CMS Quality Payment Program

Scored as part of a group practice

Quality

85.17

Promoting Interoperability

100

Improvement Activities

Cost

74.03

Other Providers at the Same Location NPPES

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

CHRISTINE ELIZABETH BOYER PA-C

Physician Assistant

4141 N WILLIAMS AVE STE 9A
PORTLAND, OR 97217

Multnomah County (888) 663-6331

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 Diana Bui's NPI number?

The NPI number for Diana Bui is 1154829513. It was assigned to this individual provider in the NPPES registry on January 31, 2018.

Where is Diana Bui located?

Diana Bui practices at 4141 N Williams Ave Ste 9A, Portland, OR 97217. The listed phone number is (888) 663-6331.

What is Diana Bui's specialty?

The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.

Is Diana Bui enrolled in Medicare?

Yes. Diana Bui 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 Diana Bui accept?

Health plans from Providence Health Plan list Diana Bui 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.

Is Diana Bui affiliated with any hospitals?

According to CMS data, Diana Bui is affiliated with Providence Portland Medical Center.

When was this NPI record last updated?

The NPPES record for Diana Bui was last updated on July 27, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 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.