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Emergency Medicine

Ingrid K. Hohimer McNicoll, MD

Works at hospitals in Vacaville, CA · California

Summary

Dr. Ingrid K. Hohimer McNicoll, MD is an emergency medicine doctor at 1 Quality Dr, Vacaville, CA 95688. Phone: (707) 624-4000. Accepts Medicare assignment. In 2024, Ingrid K. Hohimer McNicoll had 17 Original Medicare patients and 18 services. NPI 1174690952. 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: 1 Quality Dr, Vacaville, CA 95688 · Directions
  • Phone: (707) 624‑4000
  • Medicare: Accepts Medicare assignment
  • Hospital: Kaiser Foundation Hospital - Vacaville
  • Group practice: Permanente Medical Group Inc
  • Medical school: Johns Hopkins University School Of Medicine · graduated 1999 (27 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Ingrid K. Hohimer McNicoll, 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 Ingrid K. Hohimer McNicoll accept Medicare assignment?
Yes. Medicare's clinician data says Ingrid K. Hohimer McNicoll 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 Ingrid K. Hohimer McNicoll see?
In 2024, CMS data shows 17 Original Medicare patients and 18 services for Ingrid K. Hohimer McNicoll. This counts Original Medicare only and measures volume, not quality.
What is Ingrid K. Hohimer McNicoll's NPI number?
1174690952. 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 Ingrid K. Hohimer McNicoll, 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 patients17
Services billed to Medicare18
Different services or procedures5
Participating Medicare providerYes
Average age of these patients53

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 pressure65%

Hospitals where Ingrid K. Hohimer McNicoll works

Medicare's Facility Affiliation Data lists Ingrid K. Hohimer McNicoll 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 Ingrid K. Hohimer McNicoll is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Ingrid K. Hohimer McNicoll as a member of this group (CMS data updated October 2, 2026).

  • Permanente Medical Group Inc10,996 clinicians in the group

Specialties

Find other Emergency Medicine doctors in California →

Other emergency medicine doctors in Vacaville

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

All emergency medicine doctors in Vacaville →

Other clinicians in Permanente Medical Group Inc

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

Clinician information

CredentialMD
Medical schoolJohns Hopkins University School Of Medicine
Graduation year1999 (27 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1174690952
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