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Infectious Disease

Sarah B. Doernberg, MD

Works at hospitals in San Francisco, CA · California

Summary

Dr. Sarah B. Doernberg, MD is an infectious disease doctor at 2330 Post St, San Francisco, CA 94115. Phone: (415) 476-4029. Accepts Medicare assignment. In 2024, Sarah B. Doernberg had 128 Original Medicare patients and 460 services. NPI 1245406628. 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: Infectious disease doctor (Medicare lists Infectious Disease)
  • Address: 2330 Post St, San Francisco, CA 94115 · Directions (2 more locations)
  • Phone: (415) 476‑4029
  • Medicare: Accepts Medicare assignment
  • Hospital: UCSF Medical Center
  • Group practice: University of California San Francisco (+2 more)
  • Medical school: Yale University School Of Medicine · graduated 2006 (20 years since medical school)
  • Gender (as listed): Female
  • Telehealth: offered

From official Medicare data

This page shows what Medicare's official clinician data says about Sarah B. Doernberg, 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 Sarah B. Doernberg accept Medicare assignment?
Yes. Medicare's clinician data says Sarah B. Doernberg 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 Sarah B. Doernberg see?
In 2024, CMS data shows 128 Original Medicare patients and 460 services for Sarah B. Doernberg. This counts Original Medicare only and measures volume, not quality.
What is Sarah B. Doernberg's NPI number?
1245406628. 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 Sarah B. Doernberg, 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 patients128
Services billed to Medicare460
Different services or procedures19
Participating Medicare providerYes
Average age of these patients70

Most frequent services

  1. 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)110 services
  2. Established patient office or other outpatient visit with high level of medical decision making, if using time, 40 minutes or more (99215)73 services
  3. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)51 services
  4. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)50 services
  5. Established patient office or other outpatient visit with moderate level of decision making, if using time, 30 minutes or more (99214)34 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%
  • Chronic kidney disease54%
  • Arthritis49%
  • Diabetes45%
  • Heart failure37%

Hospitals where Sarah B. Doernberg works

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

Group practices

Medicare enrollment lists Sarah B. Doernberg as a member of these groups (CMS data updated October 2, 2026).

  • University of California San Francisco1,839 clinicians in the group
  • UCSF Medical Group Business Services1,598 clinicians in the group
  • Regents of the University of California732 clinicians in the group

Specialties

Find other Infectious Disease doctors in California →

Other infectious disease doctors in San Francisco

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

All infectious disease doctors in San Francisco →

Other clinicians in University of California San Francisco

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

Clinician information

CredentialMD
Medical schoolYale University School Of Medicine
Graduation year2006 (20 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
TelehealthOffers telehealth services
NPI (National Provider Identifier)1245406628
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