STEVEN LEINER NP
NPI 1023107174
Nurse Practitioner - Family in San Francisco, CA
About Steven Leiner Np NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
STEVEN LEINER NP (NPI 1023107174) is an individual family provider in San Francisco, California, licensed in California (RN409463) and active in the NPI registry since October 2006. He is enrolled in Medicare PECOS.
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 (PECOS)
Steven Leiner Np is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Steven Leiner reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 30 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 94110 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.
SAN FRANCISCO, CA 94110
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 Steven Leiner's NPI number?
The NPI number for Steven Leiner is 1023107174. It was assigned to this individual provider in the NPPES registry on October 12, 2006.
Where is Steven Leiner located?
Steven Leiner practices at 240 Shotwell St, San Francisco, CA 94110. The listed phone number is (415) 552-3870.
What is Steven Leiner's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Steven Leiner enrolled in Medicare?
Yes. Steven Leiner is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Steven Leiner's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Steven Leiner reassigns Medicare benefits to Mission Area Health Associates (San Francisco, CA). 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 Steven Leiner'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 Steven Leiner was last updated on July 8, 2007. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.