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Emergency Medicine

Rucha D. Karajgikar, MD

Works at hospitals in Crystal City, MO · Fenton, MO · Saint Charles, MO … · Missouri

Summary

Rucha D. Karajgikar, MD (Emergency Medicine) is listed by Medicare at 4 hospitals in Crystal City, MO, Fenton, MO and Saint Charles, MO and other places. NPI 1609164524. Medicare data says the clinician accepts Medicare assignment. Source: CMS Facility Affiliation Data, updated 2026-10-02.

From official Medicare data

This page shows what Medicare's official clinician data says about Rucha D. Karajgikar, joined by NPI number (data updated 2026-10-02). It is not a recommendation or a rating. Call the office or hospital to confirm before you go.

In a medical emergency, call 911.

At a glance

Emergency MedicinePrimary specialty
YesAccepts Medicare assignment
19Years since medical school (graduated 2007)
FemaleGender (as listed)
SSM Health Care GroupGroup practice (+3 more)

Quick answers

Which hospitals does Rucha D. Karajgikar work at?
Medicare's official clinician data lists Rucha D. Karajgikar at 4 hospitals: Mercy Hospital Jefferson, SSM St Clare Health Center, SSM St Joseph Health Center and SSM St Joseph Hospital West. This is where the clinician works or has privileges; call the hospital to confirm.
Where does Rucha D. Karajgikar see patients?
Medicare's clinician data lists 5 practice locations, including Lake Saint Louis, MO, Fenton, MO and Saint Louis, MO. Call before your visit to confirm the address.
What is Rucha D. Karajgikar's specialty?
Medicare lists Emergency Medicine as the primary specialty, and also Critical Care (Intensivists) and Internal Medicine.
Does Rucha D. Karajgikar accept Medicare assignment?
Yes. Medicare's clinician data says Rucha D. Karajgikar accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
What is the phone number for Rucha D. Karajgikar?
(636) 625-5200, as listed in official Medicare / NPI Registry data.
What is Rucha D. Karajgikar's NPI number?
1609164524. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.

Hospitals where Rucha D. Karajgikar works

Medicare's Facility Affiliation Data lists Rucha D. Karajgikar at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.

Practice locations

Addresses where Rucha D. Karajgikar is enrolled with Medicare (CMS data updated 2026-10-02).

Group practices

Medicare enrollment lists Rucha D. Karajgikar as a member of these groups (CMS data updated 2026-10-02).

  • SSM Health Care Group940 clinicians in the group
  • SSM Health Care St Louis167 clinicians in the group
  • Mercy Clinic Adult Critical Care LLC60 clinicians in the group
  • Cogent Healthcare of Missouri Inc31 clinicians in the group

Specialties

Find other Emergency Medicine doctors in Missouri →

Other emergency medicine doctors in Lake Saint Louis

Clinicians with the same Medicare primary specialty in Lake Saint Louis, MO — not a recommendation.

All emergency medicine doctors in Lake Saint Louis →

Clinician information

CredentialMD
Graduation year2007
Gender (as listed)Female
Medicare assignmentAccepts (Medicare-approved amount as full payment)
NPI (National Provider Identifier)1609164524
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 2026-10-02, retrieved 2026-10-29
  2. National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
  3. NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
  4. Medicare Care Compare — official Medicare tool to look up clinicians