CHARLES B BRIMMER DO
NPI 1124778550
Anesthesiology in Indianapolis, IN
About Charles B Brimmer Do NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHARLES B BRIMMER DO (NPI 1124778550) is an individual anesthesiology provider in Indianapolis, Indiana, licensed in Indiana (02008413A) and active in the NPI registry since March 2022. He is enrolled in Medicare PECOS, is affiliated with Ascension St Vincent Hospital, and maintains a secondary practice location in Goodyear.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
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
Charles B Brimmer Do 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 Reassignment
Medicare enrollment records show Charles Brimmer reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Indianapolis, IN 46260
- Reassigned Medicare billing, Indiana enrollment
- 99 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
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Ascension St Vincent Hospital
Acute Care Hospitals · Indianapolis, INOther Providers at the Same Location NPPES 7
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
INDIANAPOLIS, IN 46202
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 Charles Brimmer's NPI number?
The NPI number for Charles Brimmer is 1124778550. It was assigned to this individual provider in the NPPES registry on March 28, 2022.
Where is Charles Brimmer located?
Charles Brimmer practices at 1130 W. Michigan Street Fesler Hall 204, Indianapolis, IN 46202. The listed phone number is (317) 274-0076.
What is Charles Brimmer's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Charles Brimmer enrolled in Medicare?
Yes. Charles Brimmer 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 organization bills Medicare for Charles Brimmer's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Charles Brimmer reassigns Medicare benefits to Northside Anesthesia Services, LLC (Indianapolis, IN). The 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 Charles Brimmer's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Charles Brimmer accept?
Health plans from CareSource list Charles Brimmer 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 Charles Brimmer affiliated with any hospitals?
According to CMS data, Charles Brimmer is affiliated with Ascension St Vincent Hospital.
When was this NPI record last updated?
The NPPES record for Charles Brimmer was last updated on June 4, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 months 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.
# Charles B Brimmer, DO · NPI 1124778550
Anesthesiology physician in Indianapolis, Indiana. Individual provider, active in the CMS NPPES registry since March 28, 2022.
## Identity
- **NPI:** 1124778550 (Entity type: Individual)
- **Enumerated:** March 28, 2022
- **Primary specialty:** Anesthesiology · taxonomy 207L00000X
- **State license:** 02008413A (Indiana)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1130 W. MICHIGAN STREET, FESLER HALL 204, Indianapolis, IN 46202-5209
- **Phone:** (317) 274-0076
## 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:** Northside Anesthesia Services, LLC (NPI 1568444693, Indianapolis, IN), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Midwestern University, Chicago College Of Osteopathic Med, class of 2022
## Record status
- **NPPES last updated:** June 4, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1124778550) · Data from the CMS NPPES public registry.