CHAU QUYNH BUI D.O.
NPI 1194142562
Hospitalist in Redondo Beach, CA

Q: What is Chau Bui's NPI number?

The NPI number for Chau Bui is 1194142562. It was assigned to this individual provider in the NPPES registry on March 24, 2014.

Q: What is Chau Bui's specialty?

The primary specialty registered for this NPI is Hospitalist with taxonomy code 208M00000X.

Q: When was this NPI record last updated?

The NPPES record for Chau Bui was last updated on January 2, 2020. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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 March 24, 2014PECOS Enrolled

514 N PROSPECT AVE STE 103, REDONDO BEACH, CA 90277(310) 937-8555(310) 937-8556 Get Directions Write a Review

NPPES record last updated: January 2, 2020. Verified against the NPPES registry weekly; last sync: November 01, 2026.

Record update history: Jan 2, 2020, Nov 26, 2018, Oct 17, 2018 (3 updates tracked since 2018).

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About Chau Quynh Bui D.o. NPPES

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

CHAU QUYNH BUI D.O. (NPI 1194142562) is an individual hospitalist provider in Redondo Beach, California, licensed in California (20A14247) and active in the NPI registry since March 2014. She is enrolled in Medicare PECOS and is a graduate of Other (2014).

NPPES Registry Identity

NPI1194142562

Entity TypeIndividualFemale

Primary Taxonomy208M00000X

Provider Legal NameCHAU QUYNH BUICredential: D.O.

Location Address514 N PROSPECT AVE STE 103Redondo Beach, CA 90277-3037

Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631

Phone(310) 937-8555

Fax(310) 937-8556

Sole ProprietorNo

Medical School CMSOtherGraduated 2014

Enumeration DateMarch 24, 2014

Last NPPES UpdateJanuary 2, 20203 updates tracked since enumeration

✔ NPI 1194142562 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtyHospitalistAllopathic & Osteopathic Physicians

Taxonomy Code208M00000X

License✔ Licensed in CA · 20A14247

Definition

Hospitalists are physicians whose primary professional focus is the general medical care of hospitalized patients. Their activities include patient care, teaching, research, and leadership related to Hospital Medicine. The term 'hospitalist' refers to physicians whose practice emphasizes providing care for hospitalized patients.

Also ListedFamily MedicineTaxonomy 207Q00000X · License 20A14247 (CA)

Also ListedFamily Medicine · Sports MedicineTaxonomy 207QS0010X · License 20A14247 (CA)

514 N PROSPECT AVE STE 103, Redondo Beach, CA 90277

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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Chau Quynh Bui D.o. is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5890086573

PECOS Enrollment IDI20170203001918

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 Reassignments

Medicare enrollment records show Chau Bui reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Southern California Permanente Medical Group

5.7 mi

Health Maintenance Organization

25825 VERMONT AVE
Harbor City, CA 90710

Reassigned Medicare billing, California enrollment
13,921 clinicians in this Medicare group

NPI 1598797011 (310) 325-5111

Provider Profile

25 mi

Family Medicine

10301 BOLSA AVENUE, SUITE 102
Westminster, CA 92683

Reassigned Medicare billing, California enrollment

NPI 1427143072 (714) 531-2203

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

Areas of Expertise CMS Part B claims 2

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 services13 patients

New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203

This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.

11 services11 patients

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90277 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

$142.39 typical visit price

range $62.96 – $187.60

Typical copayment $35.59 (range $15.74 – $46.90)

Most-billed visit code 99204

Established Patient

$109.96 typical visit price

range $20.84 – $153.61

Typical copayment $27.49 (range $5.21 – $38.40)

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.

KATHERINE PANG

Family Medicine