LA VISTA HEALTH CENTER
NPI 1942817804
Family Medicine in Diamond Bar, CA

Active since September 24, 2020
1111 GRAND AVE STE L, DIAMOND BAR, CA 91765(909) 551-0205(909) 345-7084 Get Directions Write a Review

NPPES record last updated: September 20, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 20, 2021, Sep 24, 2020 (2 updates tracked since 2020).

About La Vista Health Center NPPES

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

LA VISTA HEALTH CENTER (NPI 1942817804) is a healthcare organization registered as a family medicine in Diamond Bar, California and active in the NPI registry since September 2020. The organization lists Melissa A Trevelline, Ceo, as its authorized official.

NPPES Registry Identity

NPI1942817804
Entity TypeOrganization
Primary Taxonomy207Q00000X
Legal Business NameLA VISTA HEALTH
Location Address1111 GRAND AVE STE LDiamond Bar, CA 91765-4172
Mailing Address1111 Grand Ave Ste LDiamond Bar, CA 91765-4172 · (909) 551-0205 · Fax (909) 345-7084
Fax(909) 345-7084
Organization SubpartNo
Authorized OfficialMelissa A TrevellineCeo · (724) 462-3975
Enumeration DateSeptember 24, 2020
Last NPPES UpdateSeptember 20, 20212 updates tracked since enumeration
NPPES CertifiedSeptember 19, 2021
✔ NPI 1942817804 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtyFamily MedicineAllopathic & Osteopathic Physicians
Taxonomy Code207Q00000X
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.
Also ListedObstetrics & GynecologyTaxonomy 207V00000X
1111 GRAND AVE STE L, Diamond Bar, CA 91765

Other Names 1

Doing Business AsLa Vista Health Center

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

La Vista Health Center is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by October 31, 2026

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateCaliforniaEnrollment IDO20211021001433Non-DME Part B · Clinic/Group PracticeDue dateOctober 31, 2026
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

3

Medicare enrollment records show 3 clinicians reassign Medicare billing to La Vista Health Center, which bills Medicare for the services they deliver. Of these, 1 practice at this address. They are listed nearest first.

Clinicians, nearest first (3)

Family Practice
NPI 1063890929
1111 GRAND AVE STE L
Diamond Bar, CA 91765
(909) 551-0205
✔ PECOS✔ Accepts MedicareSame address
Obstetrics/Gynecology
NPI 1588981807
393 E WALNUT ST FL 3
Pasadena, CA 91188
(877) 608-0044
✔ PECOS21 mi
Nurse Practitioner
NPI 1235622077
195 PAGE MILL RD STE 103
Palo Alto, CA 94306
(888) 731-8994
✔ PECOS339 mi

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

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 La Vista Health's NPI number?

The NPI number for La Vista Health is 1942817804. It was assigned to this organization in the NPPES registry on September 24, 2020. The provider is doing business as La Vista Health Center.

Where is La Vista Health located?

La Vista Health is located at 1111 Grand Ave Ste L, Diamond Bar, CA 91765. The listed phone number is (909) 551-0205.

What is La Vista Health's specialty?

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

Is La Vista Health enrolled in Medicare?

Yes. La Vista Health is registered in the Medicare PECOS enrollment system.

When is La Vista Health's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (California, Clinic/Group Practice) is due for revalidation by October 31, 2026. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through La Vista Health?

According to the CMS Revalidation Reassignment List (October 2026 release), 3 clinicians reassign their Medicare billing to La Vista Health, in Family Practice, Nurse Practitioner and Obstetrics/Gynecology. 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. Of these, 1 practice at this address. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for La Vista Health was last updated on September 20, 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.