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Urology

Jeremy I. Lieb, MD

Works at hospitals in Concord, CA · Walnut Creek, CA · California

Summary

Dr. Jeremy I. Lieb, MD is a urologist at 2400 Balfour Rd, Suite 230, Brentwood, CA 94513. Phone: (925) 671-0610. Accepts Medicare assignment. In 2024, Jeremy I. Lieb had 1,194 Original Medicare patients and 12,705 services. NPI 1093713190. Source: CMS National Downloadable File, updated October 2, 2026; CMS Facility Affiliation Data, updated October 2, 2026; CMS Medicare Physician & Other Practitioners, data year 2024.

From official Medicare data

This page shows what Medicare's official clinician data says about Jeremy I. Lieb, joined by NPI number (data updated October 2, 2026). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

Quick answers

Does Jeremy I. Lieb accept Medicare assignment?
Yes. Medicare's clinician data says Jeremy I. Lieb accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
How many Medicare patients does Jeremy I. Lieb see?
In 2024, CMS data shows 1,194 Original Medicare patients and 12,705 services for Jeremy I. Lieb. This counts Original Medicare only and measures volume, not quality.
What is Jeremy I. Lieb's NPI number?
1093713190. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Medicare activity in 2024

Official CMS public-use data for Jeremy I. Lieb, data year 2024 (released May 21, 2026). It covers Original Medicare (fee-for-service) patients only, not Medicare Advantage or other insurance. It shows volume, not quality or outcomes. CMS hides any count of 10 or fewer patients.

Original Medicare patients1,194
Services billed to Medicare12,705
Different services or procedures67
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)594 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)523 services
  3. Automated urinalysis test (81003)260 services
  4. Visit complexity inherent to evaluation and management associated with medical care services that serve as the continuing focal point for all needed health care services and/or with medical care services that are part of ongoing care related to a patient's (G2211)166 services
  5. Insertion of lower leg neurostimulator electrode (64566)140 services

Chronic conditions among these patients

Share of this clinician’s Original Medicare patients with each condition, as published by CMS (it describes the patients, not the care given).

  • High blood pressure75%
  • High cholesterol75%
  • Arthritis43%
  • Chronic kidney disease28%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)28%
  • Ischemic heart disease27%

Hospitals where Jeremy I. Lieb works

Medicare's Facility Affiliation Data lists Jeremy I. Lieb at these hospitals (updated October 2, 2026). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians. Star rating and emergency services: Hospital General Information (CMS), data updated October 26, 2026.

Practice locations

Addresses where Jeremy I. Lieb is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Jeremy I. Lieb as a member of this group (CMS data updated October 2, 2026).

  • John Muir Physician Network494 clinicians in the group

Specialties

Find other Urology doctors in California →

Other urologists in Brentwood

Clinicians with the same Medicare primary specialty in Brentwood, CA — not a recommendation.

All urologists in Brentwood →

Other clinicians in John Muir Physician Network

Medicare enrollment lists these clinicians in the same group practice — not a recommendation.

Clinician information

CredentialMD
Medical schoolUniversity Of Rochester School Of Medicine And Dentistry
Graduation year1997 (29 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1093713190
CorrectionsReport an error or suggest an update →

Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.

Sources

  1. Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated October 2, 2026, retrieved October 29, 2026
  2. Hospital General Information — CMS, data updated October 26, 2026, retrieved November 13, 2026
  3. National Downloadable File (Doctors and Clinicians) — CMS, data updated October 2, 2026, retrieved October 29, 2026
  4. Medicare Physician & Other Practitioners - by Provider — CMS, data year 2024, released May 21, 2026; Medicare Physician & Other Practitioners - by Provider and Service
  5. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  6. Medicare Care Compare — official Medicare tool to look up clinicians