ZACHARY KORNBERG MD
NPI 1982166534
Urology in San Francisco, CA
About Zachary Kornberg Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ZACHARY KORNBERG MD (NPI 1982166534) is an individual urology provider in San Francisco, California, licensed in California (A180449) and active in the NPI registry since April 2019. He is enrolled in Medicare PECOS, maintains a secondary practice location in Stanford, and is a graduate of University Of California, San Francisco School Of Medicine (2019).
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
Zachary Kornberg 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 Zachary Kornberg reassigns Medicare billing to 4 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
San Francisco, CA 94107
- Reassigned Medicare billing, California enrollment
- 1,573 clinicians in this Medicare group
San Francisco, CA 94110
- Reassigned Medicare billing, California enrollment
- 57 clinicians in this Medicare group
San Francisco, CA 94143
- Reassigned Medicare billing, California enrollment
- 5,645 clinicians in this Medicare group
San Francisco, CA 94122
- Reassigned Medicare billing, California enrollment
- 5,544 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 94143 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 94143
SAN FRANCISCO, CA 94143
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 Zachary Kornberg's NPI number?
The NPI number for Zachary Kornberg is 1982166534. It was assigned to this individual provider in the NPPES registry on April 3, 2019.
Where is Zachary Kornberg located?
Zachary Kornberg practices at 1825 4th St Fl 4, San Francisco, CA 94143. The listed phone number is (415) 353-7171.
What is Zachary Kornberg's specialty?
The primary specialty registered for this NPI is Urology with taxonomy code 208800000X.
Is Zachary Kornberg enrolled in Medicare?
Yes. Zachary Kornberg 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 Zachary Kornberg's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Zachary Kornberg reassigns Medicare benefits to 4 organizations: City & County Of San Francisco (San Francisco, CA), University Of California Sfgh Medical Group (San Francisco, CA), University Of California San Francisco (San Francisco, CA) and Ucsf Medical Group Business Services (San Francisco, 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 Zachary Kornberg'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 Zachary Kornberg was last updated on August 8, 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.
# Zachary Kornberg, MD · NPI 1982166534
Urology physician in San Francisco, California. Individual provider, active in the CMS NPPES registry since April 3, 2019.
## Identity
- **NPI:** 1982166534 (Entity type: Individual)
- **Enumerated:** April 3, 2019
- **Primary specialty:** Urology · taxonomy 208800000X
- **State license:** A180449 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 1825 4TH ST FL 4, San Francisco, CA 94143-2350
- **Phone:** (415) 353-7171
## 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): City & County Of San Francisco (NPI 1013879139, San Francisco, CA); University Of California Sfgh Medical Group (NPI 1407821465, San Francisco, CA); University Of California San Francisco (NPI 1346329380, San Francisco, CA); Ucsf Medical Group Business Services (NPI 1477624104, San Francisco, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of California, San Francisco School Of Medicine, class of 2019
## Record status
- **NPPES last updated:** August 8, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1982166534) · Data from the CMS NPPES public registry.