WESTON JOHN LAGRANDEUR MD
NPI 1841781812
Family Medicine in San Jose, CA
About Weston John Lagrandeur Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
WESTON JOHN LAGRANDEUR MD (NPI 1841781812) is an individual family medicine provider in San Jose, California, licensed in California (A194474) and active in the NPI registry since May 2018. He is enrolled in Medicare PECOS, maintains 3 additional practice locations, and is a graduate of University Of Arizona College Of Medicine (2018).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 3
Other Identifiers 2
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Weston John Lagrandeur Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
4Medicare enrollment records show Weston Lagrandeur reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Stanford, CA 94305
- Reassigned Medicare billing, California enrollment
- 4,258 clinicians in this Medicare group
Palo Alto, CA 94304
- Reassigned Medicare billing, California enrollment
- 3,617 clinicians in this Medicare group
Newark, CA 94560
- Reassigned Medicare billing, California enrollment
- 435 clinicians in this Medicare group
Vancouver, WA 98683
- Reassigned Medicare billing, Washington enrollment
- 525 clinicians in this Medicare group
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 6
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 95128 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Referred Medical Equipment & Supplies CMS DME claims
Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.
Other Providers at the Same Location NPPES 6
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Weston Lagrandeur's NPI number?
The NPI number for Weston Lagrandeur is 1841781812. It was assigned to this individual provider in the NPPES registry on May 24, 2018.
Where is Weston Lagrandeur located?
Weston Lagrandeur practices at 455 Oconnor Dr Ste 210, San Jose, CA 95128. The listed phone number is (408) 995-5453.
What is Weston Lagrandeur's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Weston Lagrandeur enrolled in Medicare?
Yes. Weston Lagrandeur is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Weston Lagrandeur's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Weston Lagrandeur reassigns Medicare benefits to 4 organizations: Stanford Health Care (Stanford, CA), Lpch Medical Group Div Of Lucile (Palo Alto, CA), University Healthcare Alliance (Newark, CA) and Sea Mar Community Health Centers (Vancouver, WA). Each 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 Weston Lagrandeur's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Weston Lagrandeur was last updated on June 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 16 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.
# Weston John Lagrandeur, MD · NPI 1841781812
Family Medicine physician in San Jose, California. Individual provider, active in the CMS NPPES registry since May 24, 2018.
## Identity
- **NPI:** 1841781812 (Entity type: Individual)
- **Enumerated:** May 24, 2018
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A194474 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 455 OCONNOR DR STE 210, San Jose, CA 95128-1632
- **Phone:** (408) 995-5453 · **Fax:** (206) 812-6176
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 4 organizations under Medicare reassignment (form CMS-855R): Stanford Health Care (NPI 1437292927, Stanford, CA); Lpch Medical Group Div Of Lucile (NPI 1417907940, Palo Alto, CA); University Healthcare Alliance (NPI 1760531198, Newark, CA); Sea Mar Community Health Centers (NPI 1770933640, Vancouver, WA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Arizona College Of Medicine, class of 2018
## Record status
- **NPPES last updated:** June 5, 2025
- **Other identifiers:** Medicaid 1841781812 (CA); Medicaid 2194638 (WA)
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Source: [NPI Profile](https://npiprofile.com/npi/1841781812) · Data from the CMS NPPES public registry.