TRI VALLEY INTERNAL MEDICINE GROUP
NPI 1518953298
Internal Medicine in Murrieta, CA

Active since September 27, 2005CLIA Certified · 3 labs
39765 DATE ST STE 102, MURRIETA, CA 92563(951) 894-4665(951) 894-4667 Get Directions Write a Review

NPPES record last updated: September 13, 2018. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Tri Valley Internal Medicine Group NPPES

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

TRI VALLEY INTERNAL MEDICINE GROUP (NPI 1518953298) is a healthcare organization registered as an internal medicine in Murrieta, California and active in the NPI registry since September 2005. The organization holds 3 active CLIA laboratory certificates and lists Victor Nguyen, Md, as its authorized official.

NPPES Registry Identity

NPI1518953298
Entity TypeOrganization
Primary Taxonomy207R00000X
Legal Business NameHEALTHCARE CROSSING CORPORATION
Location Address39765 DATE ST STE 102Murrieta, CA 92563-2005
Mailing Address39765 Date St Ste 102Murrieta, CA 92563-2005 · (951) 894-4665 · Fax (951) 894-5178
Fax(951) 894-4667
Organization SubpartNo
Authorized OfficialVictor NguyenMd · (951) 894-4665
Enumeration DateSeptember 27, 2005
Last NPPES UpdateSeptember 13, 2018
✔ NPI 1518953298 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.
39765 DATE ST STE 102, Murrieta, CA 92563

Other Names 1

Doing Business AsTri Valley Internal Medicine Group

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)

Tri Valley Internal Medicine Group is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

46

Medicare enrollment records show 46 clinicians reassign Medicare billing to Tri Valley Internal Medicine Group, which bills Medicare for the services they deliver. Of these, 15 practice at this address and 32 within 10 miles. Listed here are the 20 practicing nearest to this location.

Clinicians by Medicare Specialty 6

Internal Medicine24
Nurse Practitioner13
Family Practice5
Hospitalist2
Allergy/Immunology1
Psychiatry1

Nearest to this location (20)

See all 46
Internal Medicine
NPI 1205567013
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1548898810
39765 DATE ST STE 102
Murrieta, CA 92563
(909) 951-1393
✔ PECOS✔ Accepts MedicareSame address
Allergy/Immunology
NPI 1871757914
39765 DATE ST # 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1104485580
39765 DATE ST
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Nurse Practitioner
NPI 1295398717
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Hospitalist
NPI 1700077245
39765 DATE ST SUITE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Internal Medicine
NPI 1780603852
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1710089081
39765 DATE ST. SUITE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Nurse Practitioner
NPI 1497965941
39765 DATE ST SUITE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Internal Medicine
NPI 1619027752
39765 DATE ST SUITE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Internal Medicine
NPI 1144330051
39765 DATE ST, SUITE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1356654313
39765 DATE ST SUITE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Nurse Practitioner
NPI 1952778912
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Internal Medicine
NPI 1477587673
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts MedicareSame address
Family Practice
NPI 1629083191
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOSSame address
Nurse Practitioner
NPI 1023986486
39765 DATE ST STE 102
Murrieta, CA 92563
(951) 894-4665
✔ PECOS0.1 mi
Internal Medicine
NPI 1487766382
39755 MURRIETA HOT SPRINGS RD SUITE E-130
Murrieta, CA 92563
(951) 894-4665
✔ PECOS✔ Accepts Medicare0.9 mi
Internal Medicine
NPI 1962441592
25500 MEDICAL CENTER DR
Murrieta, CA 92562
(951) 696-6251
✔ PECOS✔ Accepts Medicare1.9 mi
Internal Medicine
NPI 1265406797
25500 MEDICAL CENTER DRIVE
Murrieta, CA 92562
(951) 200-4601
✔ PECOS✔ Accepts Medicare1.9 mi
Nurse Practitioner
NPI 1982932539
27780 JEFFERSON AVE
Temecula, CA 92590
(951) 290-1406
✔ PECOS✔ Accepts Medicare2.4 mi
See all 46 clinicians

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 3

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 05D2291713

Tri Valley Internal Medicine Group · Hemet, CA
Active · expires Oct 15, 2027
CLIA Number05D2291713
Laboratory TypePhysician Office
Certificate Effective DateOctober 16, 2025
Certificate Expiration DateOctober 15, 2027
Laboratory DirectorJonathan Dinh
Laboratory Phone(951) 894-4665
Laboratory LocationTri Valley Internal Medicine Group1285 S State St, Hemet, CA 92543
CLIA data matches this NPI record on: Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2142185

Trivalley Internal Medicine Group · Menifee, CA
Active · expires Jan 3, 2028
CLIA Number05D2142185
Laboratory TypePhysician Office
Certificate Effective DateJanuary 4, 2026
Certificate Expiration DateJanuary 3, 2028
Laboratory DirectorDennis Kim, MD
Laboratory Phone(951) 894-4665
Laboratory LocationTrivalley Internal Medicine Group28125 Bradley Rd Ste 170, Menifee, CA 92586
CLIA data matches this NPI record on: Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 05D2136181

Trivalley Internal Medicine Group · Murrieta, CA
Active · expires Sep 4, 2027
CLIA Number05D2136181
Laboratory TypePhysician Office
Certificate Effective DateSeptember 5, 2025
Certificate Expiration DateSeptember 4, 2027
Laboratory DirectorVictor V. Nguyen
Laboratory Phone(951) 894-4665
Laboratory LocationTrivalley Internal Medicine Group28078 Baxter Rd Ste 314, Murrieta, CA 92563
CLIA data matches this NPI record on: 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 Healthcare Crossing Corporation's NPI number?

The NPI number for Healthcare Crossing Corporation is 1518953298. It was assigned to this organization in the NPPES registry on September 27, 2005. The provider is doing business as Tri Valley Internal Medicine Group.

Where is Healthcare Crossing Corporation located?

Healthcare Crossing Corporation is located at 39765 Date St Ste 102, Murrieta, CA 92563. The listed phone number is (951) 894-4665.

What is Healthcare Crossing Corporation's specialty?

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

Is Healthcare Crossing Corporation enrolled in Medicare?

Yes. Healthcare Crossing Corporation is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Healthcare Crossing Corporation?

According to the CMS Revalidation Reassignment List (October 2026 release), 46 clinicians in 6 Medicare specialties reassign their Medicare billing to Healthcare Crossing Corporation. 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 Internal Medicine (24), Nurse Practitioner (13) and Family Practice (5). Of these, 15 practice at this address and 32 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Healthcare Crossing Corporation hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Healthcare Crossing Corporation was last updated on September 13, 2018. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.