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Emergency Medicine

Carl M. Preiksaitis, MD

Works at hospitals in Stanford, CA · California

Summary

Dr. Carl M. Preiksaitis, MD is an emergency medicine doctor at 300 Pasteur Dr, Stanford, CA 94305. Phone: (650) 723-4000. Accepts Medicare assignment. In 2024, Carl M. Preiksaitis had 334 Original Medicare patients and 369 services. NPI 1912403031. 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: Emergency medicine doctor (Medicare lists Emergency Medicine)
  • Address: 300 Pasteur Dr, Stanford, CA 94305 · Directions
  • Phone: (650) 723‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Stanford Health Care
  • Group practice: Stanford Health Care
  • Medical school: Oakland College Of Medicine And Surgery · graduated 2018 (8 years since medical school)
  • Gender (as listed): Male

From official Medicare data

This page shows what Medicare's official clinician data says about Carl M. Preiksaitis, 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 Carl M. Preiksaitis accept Medicare assignment?
Yes. Medicare's clinician data says Carl M. Preiksaitis 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 Carl M. Preiksaitis see?
In 2024, CMS data shows 334 Original Medicare patients and 369 services for Carl M. Preiksaitis. This counts Original Medicare only and measures volume, not quality.
What is Carl M. Preiksaitis's NPI number?
1912403031. 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 Carl M. Preiksaitis, 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 patients334
Services billed to Medicare369
Different services or procedures21
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Emergency department visit with high level of medical decision making (99285)242 services
  2. Emergency department visit with moderate level of medical decision making (99284)47 services
  3. Critical care, first 30-74 minutes (99291)26 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)13 services
  5. Ultrasound of heart, follow-up (93308)11 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%
  • Ischemic heart disease40%
  • Chronic kidney disease39%
  • Diabetes38%

Hospitals where Carl M. Preiksaitis works

Medicare's Facility Affiliation Data lists Carl M. Preiksaitis 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.

  • Stanford Health CareStanford, CA · Acute Care Hospital · Medicare rating: 5 of 5 stars · Emergency services: listed by Medicare · CCN 050441

Practice locations

Addresses where Carl M. Preiksaitis is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Carl M. Preiksaitis as a member of this group (CMS data updated October 2, 2026).

  • Stanford Health Care3,122 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Stanford

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

All emergency medicine doctors in Stanford →

Other clinicians in Stanford Health Care

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

Clinician information

CredentialMD
Medical schoolOakland College Of Medicine And Surgery
Graduation year2018 (8 years since medical school)
Gender (as listed)Male
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1912403031
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