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BOLSA MEDICAL GROUP
NPI 1992732192
Surgery in Westminster, CA

Active since June 26, 2006CLIA 05D0891062 · Waiver
10362 BOLSA AVE, WESTMINSTER, CA 92683(714) 531-2091(714) 531-1403 Get Directions Write a Review

NPPES record last updated: September 11, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 11, 2025, Aug 22, 2020 (2 updates tracked since 2020).

About Bolsa Medical Group NPPES

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

BOLSA MEDICAL GROUP (NPI 1992732192) is a healthcare organization registered as a surgery in Westminster, California and active in the NPI registry since June 2006. The organization holds a CLIA Waiver certificate valid through May 1, 2028 and lists Co D C Pham, President, as its authorized official.

NPPES Registry Identity

NPI1992732192
Entity TypeOrganization
Primary Taxonomy208600000X
Legal Business NameBOLSA MEDICAL GROUP
Location Address10362 BOLSA AVEWestminster, CA 92683-6763
Mailing Address10362 Bolsa AveWestminster, CA 92683-6763 · (714) 531-2091 · Fax (714) 531-1403
Phone(714) 531-2091
Fax(714) 531-1403
Organization SubpartNo
Authorized OfficialCo D C PhamPresident · (714) 531-2091
Enumeration DateJune 26, 2006
Last NPPES UpdateSeptember 11, 20252 updates tracked since enumeration
✔ NPI 1992732192 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 5

★ Primary SpecialtySurgeryAllopathic & Osteopathic Physicians
Taxonomy Code208600000X
Definition
A general surgeon has expertise related to the diagnosis - preoperative, operative and postoperative management - and management of complications of surgical conditions in the following areas: alimentary tract; abdomen; breast, skin and soft tissue; endocrine system; head and neck surgery; pediatric surgery; surgical critical care; surgical oncology; trauma and burns; and vascular surgery. General surgeons increasingly provide care through the use of minimally invasive and endoscopic techniques. Many general surgeons also possess expertise in transplantation surgery, plastic surgery and cardiothoracic surgery.
Also ListedFamily MedicineTaxonomy 207Q00000X
Also ListedInternal MedicineTaxonomy 207R00000X
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
Also ListedPediatricsTaxonomy 208000000X

Other Identifiers 1

MedicaidGR0061390CA

Group Practice 1

Group TaxonomyThis provider is a business group of one or more individual practitioners, who practice with different areas of specialization.193200000X MULTI-SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Bolsa Medical Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

19

Medicare enrollment records show 19 clinicians reassign Medicare billing to Bolsa Medical Group, which bills Medicare for the services they deliver. They are listed nearest first.

Clinicians by Medicare Specialty 5

Family Practice8
Internal Medicine6
Obstetrics/Gynecology3
General Surgery1
Pediatric Medicine1

Clinicians, nearest first (19)

Thuy Bui, MD
Family Practice
NPI 1619990587
10362 BOLSA AVENUE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Tin Chu, MD
Family Practice
NPI 1922748862
4343 MARKET ST STE C
Riverside, CA 92501
(951) 784-7406
✔ PECOS✔ Accepts Medicare
Christine Hoang, MD
Obstetrics/Gynecology
NPI 1770537144
10362 BOLSA AVE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Minh Hoang, MD
Internal Medicine
NPI 1316974561
10362 BOLSA AVE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Phi Huynh, MD
Family Practice
NPI 1598742413
1901 W KETTLEMAN LN SUITE 200
Lodi, CA 95242
(209) 334-8540
✔ PECOS✔ Accepts Medicare
Huy Lam, MD
Family Practice
NPI 1992148530
8900 BOLSA AVE STE D
Westminster, CA 92683
(657) 666-3125
✔ PECOS✔ Accepts Medicare
Trung Ly, MD
Internal Medicine
NPI 1669567541
10362 BOLSA AVE STE 100
Westminster, CA 92683
(714) 531-0230
✔ PECOS
Chan Nguyen, M.D.
Family Practice
NPI 1932390473
9353 BOLSA AVE # C-50
Westminster, CA 92683
(714) 308-9466
✔ PECOS
Dat Nguyen, MD
Internal Medicine
NPI 1720092315
12954 HAWTHORNE BLVD SUITE 104
Hawthorne, CA 90250
(310) 679-0269
✔ PECOS✔ Accepts Medicare
Diane Nguyen, MD
Family Practice
NPI 1225065428
10362 BOLSA AVENUE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Hung Nguyen, MD
Internal Medicine
NPI 1619921095
10362 BOLSA AVENUE
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Thao Nguyen, MD
Pediatric Medicine
NPI 1831126036
10362 BOLSA AVE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS
Tu Nguyen, MD
Internal Medicine
NPI 1740217942
10362 BOLSA AVENUE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Co Pham, MD
Obstetrics/Gynecology
NPI 1558392159
10362 BOLSA AVE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Tuan Phan, MD
Family Practice
NPI 1396799672
10362 BOLSA AVENUE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Aaron Tran, M.D.
Internal Medicine
NPI 1841453032
22910 CRENSHAW BLVD STE A
Torrance, CA 90505
(310) 294-9444
✔ PECOS
Dzu Tran, MD
Obstetrics/Gynecology
NPI 1821025032
10362 BOLSA AVENUE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS✔ Accepts Medicare
Tony Tran, MD
Family Practice
NPI 1194949818
10200 TRINITY PKWY SUITE 102
Stockton, CA 95219
(209) 948-0808
✔ PECOS✔ Accepts Medicare
Kychuong Van, MD
General Surgery
NPI 1942237144
10362 BOLSA AVE BOLSA MEDICAL GROUP
Westminster, CA 92683
(714) 531-2091
✔ PECOS

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

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 05D0891062

Bolsa Medical Group · Westminster, CA
Active · expires May 1, 2028
CLIA Number05D0891062
Laboratory TypePractitioner Other
Certificate Effective DateMay 2, 2026
Certificate Expiration DateMay 1, 2028
Laboratory DirectorCo Pham, MD
Laboratory Phone(714) 531-2091
Laboratory LocationBolsa Medical Group10362 Bolsa Avenue, Westminster, CA 92683
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Patient Reviews User submitted

Reviews are submitted by site visitors and approved by a human moderator before publication.

Review by FABIOLA ***** June 5, 2025

5/5
Dr. Co Pham and Dr. Christine Nguyen are excellente Doctors.
Provider 5/5 Office Staff 5/5
Visited this provider? Share your experience.

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 Bolsa Medical Group's NPI number?

The NPI number for Bolsa Medical Group is 1992732192. It was assigned to this organization in the NPPES registry on June 26, 2006.

Where is Bolsa Medical Group located?

Bolsa Medical Group is located at 10362 Bolsa Ave, Westminster, CA 92683. The listed phone number is (714) 531-2091.

What is Bolsa Medical Group's specialty?

The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.

Is Bolsa Medical Group enrolled in Medicare?

Yes. Bolsa Medical Group is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Bolsa Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 5 Medicare specialties reassign their Medicare billing to Bolsa Medical Group. A 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 the clinician's services. The largest specialties are Family Practice (8), Internal Medicine (6) and Obstetrics/Gynecology (3). Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Bolsa Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D0891062) is associated with this NPI, valid through May 1, 2028. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

When was this NPI record last updated?

The NPPES record for Bolsa Medical Group was last updated on September 11, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.