DR. RUCHA D KARAJGIKAR M.D.
NPI 1609164524
Internal Medicine - Critical Care Medicine in Chesterfield, MO
About Dr. Rucha D Karajgikar M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. RUCHA D KARAJGIKAR M.D. (NPI 1609164524) is an individual critical care medicine provider in Chesterfield, Missouri, licensed in Missouri (2014026438) and active in the NPI registry since July 2011. She is enrolled in Medicare PECOS, is affiliated with Ssm St Joseph Health Center, and is a graduate of Other (2007).
NPPES Registry Identity
Specialties & Licenses
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Dr. Rucha D Karajgikar M.d. is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignments
5Medicare enrollment records show Rucha Karajgikar reassigns Medicare billing to 5 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Chesterfield, MO 63017
- Reassigned Medicare billing, Missouri enrollment
- 215 clinicians in this Medicare group
Saint Louis, MO 63141
- Reassigned Medicare billing, Missouri enrollment
- 77 clinicians in this Medicare group
Bridgeton, MO 63044
- Reassigned Medicare billing, Missouri enrollment
- 741 clinicians in this Medicare group
Fenton, MO 63026
- Reassigned Medicare billing, Missouri enrollment
- 255 clinicians in this Medicare group
Saint Louis, MO 63104
- Reassigned Medicare billing, Missouri enrollment
- 1,294 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Hospital Affiliations CMS Care Compare 4
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ssm St Joseph Health Center
Acute Care Hospitals · Saint Charles, MOMercy Hospital Jefferson
Acute Care Hospitals · Festus, MOSsm St Clare Health Center
Acute Care Hospitals · Fenton, MOSsm St Joseph Hospital West
Acute Care Hospitals · Lake Saint Louis, MOPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 63017 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
CHESTERFIELD, MO 63017
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Rucha Karajgikar's NPI number?
The NPI number for Rucha Karajgikar is 1609164524. It was assigned to this individual provider in the NPPES registry on July 12, 2011.
Where is Rucha Karajgikar located?
Rucha Karajgikar practices at 15740 S Outer 40 Rd, Chesterfield, MO 63017. The listed phone number is (636) 237-4200.
What is Rucha Karajgikar's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Critical Care Medicine, with taxonomy code 207RC0200X.
Is Rucha Karajgikar enrolled in Medicare?
Yes. Rucha Karajgikar is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organizations bill Medicare for Rucha Karajgikar's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Rucha Karajgikar reassigns Medicare benefits to 5 organizations: Physician Specialists Of St Lukes LLC (Chesterfield, MO), Mercy Clinic Adult Critical Care, LLC (Saint Louis, MO), Ssm Health Care St. Louis (Bridgeton, MO), Cogent Healthcare Of Missouri, Inc (Fenton, MO) and Ssm Health Care Group (Saint Louis, MO). Each reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Rucha Karajgikar's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Rucha Karajgikar accept?
Health plans from Anthem Blue Cross and Blue Shield, Medica and Oscar Insurance Company list Rucha Karajgikar as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
Is Rucha Karajgikar affiliated with any hospitals?
According to CMS data, Rucha Karajgikar is affiliated with Ssm St Joseph Health Center, Mercy Hospital Jefferson, Ssm St Clare Health Center and Ssm St Joseph Hospital West.
When was this NPI record last updated?
The NPPES record for Rucha Karajgikar was last updated on June 30, 2016. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Dr. Rucha D Karajgikar, M.D. · NPI 1609164524
Critical Care Medicine physician in Chesterfield, Missouri. Individual provider, active in the CMS NPPES registry since July 12, 2011.
## Identity
- **NPI:** 1609164524 (Entity type: Individual)
- **Enumerated:** July 12, 2011
- **Primary specialty:** Internal Medicine - Critical Care Medicine · taxonomy 207RC0200X
- **State license:** 2014026438 (Missouri)
- **Sole proprietor:** No
## Practice location
- **Address:** 15740 S OUTER 40 RD, Chesterfield, MO 63017-2004
- **Phone:** (636) 237-4200
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 5 organizations under Medicare reassignment (form CMS-855R): Physician Specialists Of St Lukes LLC (NPI 1235168410, Chesterfield, MO); Mercy Clinic Adult Critical Care, LLC (NPI 1730119421, Saint Louis, MO); Ssm Health Care St. Louis (NPI 1376598599, Bridgeton, MO); Cogent Healthcare Of Missouri, Inc (NPI 1780961599, Fenton, MO); Ssm Health Care Group (NPI 1306589544, Saint Louis, MO) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2007
## Record status
- **NPPES last updated:** June 30, 2016
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Source: [NPI Profile](https://npiprofile.com/npi/1609164524) · Data from the CMS NPPES public registry.