STEPHEN LEO WEINER
NPI 1912466376
Psychiatry & Neurology - Psychiatry in San Leandro, CA
About Stephen Leo Weiner NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEPHEN LEO WEINER (NPI 1912466376) is an individual psychiatry provider in San Leandro, California, licensed in California (A176182) and active in the NPI registry since March 2019. He is enrolled in Medicare PECOS and is a graduate of Virginia Commonwealth University, School Of Medicine (2019).
NPPES Registry Identity
Specialties & Licenses
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
Stephen Leo Weiner 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
3Medicare enrollment records show Stephen Weiner reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Leandro, CA 94578
- Reassigned Medicare billing, California enrollment
- 900 clinicians in this Medicare group
San Francisco, CA 94124
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
Tracy, CA 95376
- Reassigned Medicare billing, California enrollment
- Medicare enrollment name: County Of San Joaquin
- 195 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
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 94578 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.
SAN LEANDRO, CA 94578
CASTRO VALLEY, CA 94578
SAN LEANDRO, CA 94578
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 Stephen Weiner's NPI number?
The NPI number for Stephen Weiner is 1912466376. It was assigned to this individual provider in the NPPES registry on March 15, 2019.
Where is Stephen Weiner located?
Stephen Weiner practices at 2060 Fairmont Dr, San Leandro, CA 94578. The listed phone number is (510) 346-1300.
What is Stephen Weiner's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Stephen Weiner enrolled in Medicare?
Yes. Stephen Weiner 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 Stephen Weiner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Stephen Weiner reassigns Medicare benefits to 3 organizations: Alameda Health System (San Leandro, CA), City & County Of San Francisco (San Francisco, CA) and San Joaquin County Behavioral Health Services (Tracy, 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 Stephen Weiner'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 Stephen Weiner was last updated on December 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Stephen Leo Weiner · NPI 1912466376
Psychiatry physician in San Leandro, California. Individual provider, active in the CMS NPPES registry since March 15, 2019.
## Identity
- **NPI:** 1912466376 (Entity type: Individual)
- **Enumerated:** March 15, 2019
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** A176182 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 2060 FAIRMONT DR, San Leandro, CA 94578-1001
- **Phone:** (510) 346-1300
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Alameda Health System (NPI 1558749440, San Leandro, CA); City & County Of San Francisco (NPI 1689536799, San Francisco, CA); San Joaquin County Behavioral Health Services (NPI 1306051370, Tracy, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Virginia Commonwealth University, School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** December 4, 2023
---
Source: [NPI Profile](https://npiprofile.com/npi/1912466376) · Data from the CMS NPPES public registry.