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Critical Care (Intensivists)

Kimberley A. Marquis, MD

Works at hospitals in San Francisco, CA · California

Summary

Dr. Kimberley A. Marquis, MD is a critical care doctor at 1 Shrader St, Suite 650, San Francisco, CA 94117. Phone: (855) 581-3442. Accepts Medicare assignment. In 2024, Kimberley A. Marquis had 139 Original Medicare patients and 486 services. NPI 1154315331. 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.

  • Specialty: Critical care doctor (Medicare lists Critical Care (Intensivists))
  • Address: 1 Shrader St, Suite 650, San Francisco, CA 94117 · Directions (4 more locations)
  • Phone: (855) 581‑3442
  • Medicare: Accepts Medicare assignment
  • Hospitals: UCSF Health Stanyan Hospital, UCSF Medical Center
  • Group practice: UCSF Medical Group Business Services (+3 more)
  • Medical school: Duke University School Of Medicine · graduated 1992 (34 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Kimberley A. Marquis, 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 Kimberley A. Marquis accept Medicare assignment?
Yes. Medicare's clinician data says Kimberley A. Marquis 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 Kimberley A. Marquis see?
In 2024, CMS data shows 139 Original Medicare patients and 486 services for Kimberley A. Marquis. This counts Original Medicare only and measures volume, not quality.
What is Kimberley A. Marquis's NPI number?
1154315331. 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 Kimberley A. Marquis, 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 patients139
Services billed to Medicare486
Different services or procedures20
Participating Medicare providerYes
Average age of these patients77

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)207 services
  2. Critical care, first 30-74 minutes (99291)177 services
  3. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)28 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%
  • Heart failure62%
  • Chronic kidney disease61%
  • Arthritis59%
  • Ischemic heart disease53%

Hospitals where Kimberley A. Marquis works

Medicare's Facility Affiliation Data lists Kimberley A. Marquis 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 Kimberley A. Marquis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Kimberley A. Marquis as a member of these groups (CMS data updated October 2, 2026).

  • UCSF Medical Group Business Services1,598 clinicians in the group
  • Regents of the University of California732 clinicians in the group
  • University Anesthesia Medical Group408 clinicians in the group
  • Inpatient Specialists of California PC385 clinicians in the group

Specialties

Find other Critical Care (Intensivists) doctors in California →

Other critical care doctors in San Francisco

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

All critical care doctors in San Francisco →

Other clinicians in UCSF Medical Group Business Services

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

Clinician information

CredentialMD
Medical schoolDuke University School Of Medicine
Graduation year1992 (34 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1154315331
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