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VM MEDICAL GROUP
NPI 1184122624
Internal Medicine in Westminster, CA

Active since January 30, 2018CLIA 05D2249771 · Waiver
8251 WESTMINSTER BLVD STE 110, WESTMINSTER, CA 92683(714) 839-5898(855) 227-7512 Get Directions Write a Review

NPPES record last updated: October 31, 2024. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Nov 9, 2021, Sep 22, 2020, Sep 18, 2020 (3 updates tracked since 2020).

About Vm Medical Group NPPES

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

VM MEDICAL GROUP (NPI 1184122624) is a healthcare organization registered as an internal medicine in Westminster, California and active in the NPI registry since January 2018. The organization holds a CLIA Waiver certificate valid through January 23, 2028, maintains 2 additional practice locations, and lists Nguyen Lu, Office Manager, as its authorized official.

NPPES Registry Identity

NPI1184122624
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameVM MEDICAL GROUP
Location Address8251 WESTMINSTER BLVD STE 110Westminster, CA 92683-3370
Mailing Address8251 Westminster Blvd Ste 110Westminster, CA 92683-3370 · (714) 839-5898 · Fax (855) 227-7512
Phone(714) 839-5898
Fax(855) 227-7512
Organization SubpartNo
Authorized OfficialNguyen LuOffice Manager · (714) 471-3038
Enumeration DateJanuary 30, 2018
Last NPPES UpdateOctober 31, 20243 updates tracked since enumeration
NPPES CertifiedOctober 31, 2024
✔ NPI 1184122624 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyInternal MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207R00000X
Definition
A physician who provides long-term, comprehensive care in the office and the hospital, managing both common and complex illness of adolescents, adults and the elderly. Internists are trained in the diagnosis and treatment of cancer, infections and diseases affecting the heart, blood, kidneys, joints and digestive, respiratory and vascular systems. They are also trained in the essentials of primary care internal medicine, which incorporates an understanding of disease prevention, wellness, substance abuse, mental health and effective treatment of common problems of the eyes, ears, skin, nervous system and reproductive organs.
Also ListedPediatricsTaxonomy 208000000X
8251 WESTMINSTER BLVD STE 110, Westminster, CA 92683
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Secondary Practice Locations 2

Location 110900 Warner Ave, Ste 122Fountain Valley, CA 92708-9270 · Phone (714) 465-2222 · Fax (855) 227-7512
Location 214971 Brookhurst StWestminster, CA 92683-6071 · Phone (714) 839-5898 · Fax (855) 227-7512

Other Identifiers 1

OtherA126013CA · Medical License Number

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)

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

Clinicians Billing Medicare Through This Organization

5

Medicare enrollment records show 5 clinicians reassign Medicare billing to Vm Medical Group, which bills Medicare for the services they deliver. Of these, 2 practice at this address and 4 within 10 miles. They are listed nearest first.

Clinicians, nearest first (5)

Vinh Quang Tran
Nurse Practitioner
NPI 1790474518
8251 WESTMINSTER BLVD STE 110
Westminster, CA 92683
(714) 465-2222
✔ PECOS✔ Accepts MedicareSame address
Chinh Mai, MD
Internal Medicine
NPI 1992017636
8251 WESTMINSTER BLVD STE 110
Westminster, CA 92683
(714) 839-5898
✔ PECOS✔ Accepts MedicareSame address
Dai Tran
Nurse Practitioner
NPI 1568252849
5422 TATTERSHALL AVE
Westminster, CA 92683
(714) 726-1184
✔ PECOS2.9 mi
Thao Vo, M.D.
Pediatric Medicine
NPI 1629398862
10900 WARNER AVE STE 122
Fountain Valley, CA 92708
(714) 465-2222
✔ PECOS✔ Accepts Medicare4.0 mi
Tram Phan, NP
Nurse Practitioner
NPI 1679924724
2151 COLLEGE AVE
Bakersfield, CA 93305
(661) 868-8037
✔ PECOS✔ Accepts Medicare125 mi

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 05D2249771

Vm Medical Group · Westminster, CA
Active · expires Jan 23, 2028
CLIA Number05D2249771
Laboratory TypePhysician Office
Certificate Effective DateJanuary 24, 2026
Certificate Expiration DateJanuary 23, 2028
Laboratory DirectorChinh Mai
Laboratory Phone(714) 839-5898
Laboratory LocationVm Medical Group8251 Westminster Blvd Ste 110, 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.

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 Vm Medical Group's NPI number?

The NPI number for Vm Medical Group is 1184122624. It was assigned to this organization in the NPPES registry on January 30, 2018.

Where is Vm Medical Group located?

Vm Medical Group is located at 8251 Westminster Blvd Ste 110, Westminster, CA 92683. The listed phone number is (714) 839-5898.

What is Vm Medical Group's specialty?

The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.

Is Vm Medical Group enrolled in Medicare?

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

How many clinicians bill Medicare through Vm Medical Group?

According to the CMS Revalidation Reassignment List (October 2026 release), 5 clinicians in 3 Medicare specialties reassign their Medicare billing to Vm 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 Nurse Practitioner (3), Internal Medicine (1) and Pediatric Medicine (1). Of these, 2 practice at this address and 4 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Vm Medical Group hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 05D2249771) is associated with this NPI, valid through January 23, 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 Vm Medical Group was last updated on October 31, 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.