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

Hospitalist

Rajni Khaira, MD

Works at hospitals in Fairfield, CA · California

Summary

Dr. Rajni Khaira, MD is a hospitalist at 1000 Nut Tree Rd, Vacaville, CA 95687. Phone: (707) 624-7000. Accepts Medicare assignment. In 2024, Rajni Khaira had 381 Original Medicare patients and 1,044 services. NPI 1811285232. 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: Hospitalist
  • Address: 1000 Nut Tree Rd, Vacaville, CA 95687 · Directions (1 more location)
  • Phone: (707) 624‑7000
  • Medicare: Accepts Medicare assignment
  • Hospital: NorthBay Medical Center
  • Group practice: NorthBay Physicians Surgery Center, LLC
  • Medical school: graduated 2004 (22 years since medical school)
  • Gender (as listed): Female

From official Medicare data

This page shows what Medicare's official clinician data says about Rajni Khaira, 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 Rajni Khaira accept Medicare assignment?
Yes. Medicare's clinician data says Rajni Khaira 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 Rajni Khaira see?
In 2024, CMS data shows 381 Original Medicare patients and 1,044 services for Rajni Khaira. This counts Original Medicare only and measures volume, not quality.
What is Rajni Khaira's NPI number?
1811285232. 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 Rajni Khaira, 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 patients381
Services billed to Medicare1,044
Different services or procedures9
Participating Medicare providerYes
Average age of these patients76

Most frequent services

  1. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes (99233)572 services
  2. Subsequent hospital care with moderate levelof medical decision making, if using time, at least 35 minutes (99232)169 services
  3. Hospital discharge day management, more than 30 minutes (99239)162 services
  4. Initial hospital care with moderate level of medical decision making, if using time, at least 75 minutes (99223)78 services
  5. Hospital discharge day management, 30 minutes or less (99238)26 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 disease56%
  • Diabetes53%
  • Arthritis50%
  • Ischemic heart disease46%

Hospitals where Rajni Khaira works

Medicare's Facility Affiliation Data lists Rajni Khaira 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.

  • NorthBay Medical CenterFairfield, CA · Acute Care Hospital · Medicare rating: 2 of 5 stars · Emergency services: listed by Medicare · CCN 050367

Practice locations

Addresses where Rajni Khaira is enrolled with Medicare (CMS data updated October 2, 2026).

Group practices

Medicare enrollment lists Rajni Khaira as a member of this group (CMS data updated October 2, 2026).

  • NorthBay Physicians Surgery Center, LLC324 clinicians in the group

Specialties

Find other Hospitalist doctors in California →

Other hospitalists in Vacaville

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

All hospitalists in Vacaville →

Other clinicians in NorthBay Physicians Surgery Center, LLC

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

Clinician information

CredentialMD
Graduation year2004 (22 years since medical school)
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1811285232
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