Medical emergency?Emergency? Call 911. Nearest emergency roomsNearest ERs

Cardiovascular Disease (Cardiology)

Lester B. Jacobson, MD

Works at hospitals in San Francisco, CA · Novato, CA · California

Summary

Dr. Lester B. Jacobson, MD is a cardiologist at 2351 Clay St, 513f, San Francisco, CA 94115. Phone: (415) 923-3565. Accepts Medicare assignment. In 2024, Lester B. Jacobson had 400 Original Medicare patients and 2,400 services. NPI 1023192101. 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 Lester B. Jacobson, 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 Lester B. Jacobson accept Medicare assignment?
Yes. Medicare's clinician data says Lester B. Jacobson 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 Lester B. Jacobson see?
In 2024, CMS data shows 400 Original Medicare patients and 2,400 services for Lester B. Jacobson. This counts Original Medicare only and measures volume, not quality.
What is Lester B. Jacobson's NPI number?
1023192101. 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 Lester B. Jacobson, 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 patients400
Services billed to Medicare2,400
Different services or procedures21
Participating Medicare providerYes
Average age of these patients82

Most frequent services

  1. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)1,076 services
  2. Routine electrocardiogram (ecg) using at least 12 leads with interpretation and report (93000)901 services
  3. Evaluation of single, dual, multiple lead or leadless pacemaker system (93288)168 services
  4. Telephone medical discussion with physician, 21-30 minutes (99443)52 services
  5. New patient office or other outpatient visit with a high level of medical decision making, if using time, 60 minutes or more (99205)40 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%
  • Arthritis46%
  • Ischemic heart disease40%
  • Atrial fibrillation37%
  • Diabetes25%

Hospitals where Lester B. Jacobson works

Medicare's Facility Affiliation Data lists Lester B. Jacobson 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 Lester B. Jacobson is enrolled with Medicare (CMS data updated October 2, 2026).

Specialties

Find other Cardiovascular Disease (Cardiology) doctors in California →

Other cardiologists in San Francisco

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

All cardiologists in San Francisco →

Clinician information

CredentialMD
Medical schoolUniversity Of Chicago, Pritzker School Of Medicine
Graduation year1967 (59 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1023192101
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