BENJAMIN CHUN-BANG WEIA MD
NPI 1316441694
Internal Medicine in Stanford, CA
About Benjamin Chun-bang Weia Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
BENJAMIN CHUN-BANG WEIA MD (NPI 1316441694) is an individual internal medicine provider in Stanford, California, licensed in California (A163611) and active in the NPI registry since March 2018. He is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of University Of Texas Southwestern Medical School At Dallas (2018).
NPPES Registry Identity
Specialties & Licenses
Other Names 1
Secondary Practice Locations 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Benjamin Chun-bang Weia Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Benjamin Weia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Houston, TX 77025
- Reassigned Medicare billing, Texas enrollment
- 1,649 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 9
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 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.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
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 Benjamin Weia's NPI number?
The NPI number for Benjamin Weia is 1316441694. It was assigned to this individual provider in the NPPES registry on March 21, 2018.
Where is Benjamin Weia located?
Benjamin Weia practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-6661.
What is Benjamin Weia's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Benjamin Weia enrolled in Medicare?
Yes. Benjamin Weia is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Benjamin Weia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Benjamin Weia reassigns Medicare benefits to Kelsey-Seybold Medical Group, PLLC (Houston, TX). The 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 Benjamin Weia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Benjamin Weia accept?
Health plans from UnitedHealthcare list Benjamin Weia as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Benjamin Weia was last updated on February 5, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.
# Benjamin Chun-Bang Weia, MD · NPI 1316441694
Internal Medicine physician in Stanford, California. Individual provider, active in the CMS NPPES registry since March 21, 2018.
## Identity
- **NPI:** 1316441694 (Entity type: Individual)
- **Enumerated:** March 21, 2018
- **Primary specialty:** Internal Medicine · taxonomy 207R00000X
- **State license:** A163611 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 300 PASTEUR DR, Stanford, CA 94305-2200
- **Phone:** (650) 723-6661 · **Fax:** (650) 498-6205
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Kelsey-Seybold Medical Group, PLLC (NPI 1013915255, Houston, TX), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Southwestern Medical School At Dallas, class of 2018
## Record status
- **NPPES last updated:** February 5, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1316441694) · Data from the CMS NPPES public registry.