PATRICK THOMPSON WELDON DO
NPI 1083243976
Surgery in Stanford, CA
About Patrick Thompson Weldon Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
PATRICK THOMPSON WELDON DO (NPI 1083243976) is an individual surgery provider in Stanford, California, licensed in California (20A23989) and active in the NPI registry since April 2020. He is enrolled in Medicare PECOS, maintains a secondary practice location in Kansas City, and is a graduate of Edward Via Col Of Osteo Medicine-virginia Campus (2020).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Patrick Thompson Weldon Do 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
2Medicare enrollment records show Patrick Weldon reassigns Medicare billing to 2 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
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
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 Patrick Weldon's NPI number?
The NPI number for Patrick Weldon is 1083243976. It was assigned to this individual provider in the NPPES registry on April 3, 2020.
Where is Patrick Weldon located?
Patrick Weldon practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-4000.
What is Patrick Weldon's specialty?
The primary specialty registered for this NPI is Surgery with taxonomy code 208600000X.
Is Patrick Weldon enrolled in Medicare?
Yes. Patrick Weldon 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 Patrick Weldon's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Patrick Weldon reassigns Medicare benefits to 2 organizations: Stanford Health Care (Stanford, CA) and Lpch Medical Group Div Of Lucile (Palo Alto, CA). 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 Patrick Weldon'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 Patrick Weldon was last updated on August 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 14 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.
# Patrick Thompson Weldon, DO · NPI 1083243976
Surgery physician in Stanford, California. Individual provider, active in the CMS NPPES registry since April 3, 2020.
## Identity
- **NPI:** 1083243976 (Entity type: Individual)
- **Enumerated:** April 3, 2020
- **Primary specialty:** Surgery · taxonomy 208600000X
- **State license:** 20A23989 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-4000
## 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:** 2 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) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Edward Via Col Of Osteo Medicine-Virginia Campus, class of 2020
## Record status
- **NPPES last updated:** August 4, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1083243976) · Data from the CMS NPPES public registry.