Zachary Kornberg, MD
Urology Physician · San Francisco, CA
Zachary Kornberg, MD is a urology physician with a practice address in San Francisco, California, and NPI 1982166534, issued on Apr 3, 2019. Check the license (California A180449, as entered in NPPES) on the Medical Board of California; the Medicare figures below come from public CMS files.
- Name
- Zachary Kornberg
- Credential
- MD
- Primary taxonomy
- Urology Physician 208800000X
- License number
- A180449 CA
Self-reported in NPPES; status is on the state search - Practice location
- 1825 4TH St FL 4, San Francisco, CA 94143
- Phone
- (415) 353-7171
- Enumerated
- Apr 3, 2019
- Record last updated
- Aug 8, 2025
- Medicare enrollment
- Enrolled (PECOS I20250630003440); accepts Medicare assignment
- Medical or professional school
- University Of California, San Francisco School Of Medicine, 2019
- Entity
- Type 1 · individual
8 nearest urology physician records → All 1,524 in California → Look up another NPI →
Also registered at 1825 4TH St FL 4
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify Zachary Kornberg in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersMedical Board of California
Search for license A180449Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average urology physician in 2024
111 Medicare Part D claims for 62 beneficiaries, against an average of 1,340 among the 10,782 providers of this specialty who prescribed in Part D. 17 claims were for opioids.
Most prescribed
- Tamsulosin Hcl21 claims
- Cephalexin11 claims
- Ibuprofen11 claims
- Myrbetriq11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Industry payments in 2024: $331.46
4 payments; by number, the most common kind was food and beverage; the largest payer was Boston Scientific Corporation. The 9,340 providers of this specialty with any payment received $3,800.04 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through one group practice
- Ucsf Medical Group Business ServicesSan Francisco, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Zachary Kornberg among 1,524 urology physician records in California
Zachary Kornberg, MD is one of 1,524 urology physician records with a practice address in California. 82% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2019, is newer than 91% of them.
- NPI issued2019 · 91% of these records are older, 7% newer
- In a Medicare fileYes · 82% of these records are
- In the CMS Doctors and Clinicians fileYes · 69% of these records are
- Graduated2019 · median 2003 among the 1,049 with a school on file
- Record last updated2025 · 59% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 208800000X and a California practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Urology Physician providers in California
There are 1,524 urology physician records in California.
All 1,524 in California → Every provider in San Francisco → Urology Physician nationwide →
The 8 urology physician records with the nearest ZIP codes
- Laurence Baskin, M.D.San Francisco, CA 941431891722294
- Anthony Bella, M.D.San Francisco, CA 941431538278569
- Benjamin Breyer, M.D.San Francisco, CA 941431316160211
- Matthew Cooperberg, MDSan Francisco, CA 941431841219326
- Marc Dall'Era, M.D.San Francisco, CA 941431326134859
- Donna Deng, MDSan Francisco, CA 941431396796678
- Catherine Harris, M.D.San Francisco, CA 941431093041626
- Tom Lue, M.D.San Francisco, CA 941431184651820
Common questions
What is Zachary Kornberg, MD's NPI number?
Zachary Kornberg, MD's National Provider Identifier (NPI) is 1982166534, issued on Apr 3, 2019. An NPI identifies a provider in billing; it is not a license.
Where is Zachary Kornberg, MD located?
The NPPES record lists a practice address at 1825 4TH St FL 4, San Francisco, CA, 94143. Phone: (415) 353-7171. Providers update this record themselves, so call before visiting.
How can I verify Zachary Kornberg, MD's license?
NPPES lists California license number A180449, as entered by the provider. Search the Medical Board of California at https://www.mbc.ca.gov/License-Verification/default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Zachary Kornberg, MD prescribe under Medicare Part D?
In 2024, Zachary Kornberg, MD had 111 Medicare Part D claims for 62 beneficiaries; the average among urology physician prescribers was 1,340. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.