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

General Surgery

Laurence F. Yee, MD

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

Summary

Dr. Laurence F. Yee, MD is a general surgeon at 1100 Van Ness Ave, Suite 1040, San Francisco, CA 94109. Phone: (415) 923-3020. Accepts Medicare assignment. In 2024, Laurence F. Yee had 540 Original Medicare patients and 1,220 services. NPI 1053314989. 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 Laurence F. Yee, 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 Laurence F. Yee accept Medicare assignment?
Yes. Medicare's clinician data says Laurence F. Yee 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 Laurence F. Yee see?
In 2024, CMS data shows 540 Original Medicare patients and 1,220 services for Laurence F. Yee. This counts Original Medicare only and measures volume, not quality.
What is Laurence F. Yee's NPI number?
1053314989. 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 Laurence F. Yee, 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 patients540
Services billed to Medicare1,220
Different services or procedures126
Participating Medicare providerYes
Average age of these patients75

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)236 services
  2. Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more (99213)138 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)115 services
  4. New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more (99203)101 services
  5. Injection of hemorrhoid (46500)66 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 cholesterol75%
  • High blood pressure67%
  • Arthritis41%
  • Diabetes28%
  • Cancer (breast, colorectal, lung, prostate, endometrial or leukemia/lymphoma)25%
  • Ischemic heart disease23%

Hospitals where Laurence F. Yee works

Medicare's Facility Affiliation Data lists Laurence F. Yee 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 Laurence F. Yee is enrolled with Medicare (CMS data updated October 2, 2026). The first 5 of 6; the Medicare profile lists all.

Group practices

Medicare enrollment lists Laurence F. Yee as a member of these groups (CMS data updated October 2, 2026).

  • Sutter Bay Medical Foundation3,829 clinicians in the group
  • San Francisco Surgical5 clinicians in the group

Specialties

Find other General Surgery doctors in California →

Other general surgeons in San Francisco

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

All general surgeons in San Francisco →

Other clinicians in Sutter Bay Medical Foundation

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

Clinician information

CredentialMD
Medical schoolUniversity Of Pittsburgh School Of Medicine
Graduation year1990 (36 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1053314989
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