JACOB A O'SULLIVAN MD
NPI 1477084846
Anesthesiology in Indianapolis, IN
About Jacob A O'sullivan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
JACOB A O'SULLIVAN MD (NPI 1477084846) is an individual anesthesiology provider in Indianapolis, Indiana, licensed in Indiana (01083515A) and active in the NPI registry since March 2017. He is enrolled in Medicare PECOS, is affiliated with Community Hospital South, Inc., and maintains a secondary practice location in Muncie.
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 2
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
Jacob A O'sullivan Md 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
3Medicare enrollment records show Jacob O'sullivan reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Indianapolis, IN 46202
- Reassigned Medicare billing, Indiana enrollment
- 1,781 clinicians in this Medicare group
Indianapolis, IN 46256
- Reassigned Medicare billing, Indiana enrollment
- 2,087 clinicians in this Medicare group
Indianapolis, IN 46256
- Reassigned Medicare billing, Indiana enrollment
- 86 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.
Areas of Expertise CMS Part B claims 2
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Hospital Affiliations CMS Care Compare
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Community Hospital South, Inc.
Acute Care Hospitals · Indianapolis, INOther Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
INDIANAPOLIS, IN 46227
INDIANAPOLIS, IN 46227
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 Jacob O'sullivan's NPI number?
The NPI number for Jacob O'sullivan is 1477084846. It was assigned to this individual provider in the NPPES registry on March 27, 2017.
Where is Jacob O'sullivan located?
Jacob O'sullivan practices at 1402 E County Line Rd, Indianapolis, IN 46227. The listed phone number is (317) 887-7000.
What is Jacob O'sullivan's specialty?
The primary specialty registered for this NPI is Anesthesiology with taxonomy code 207L00000X.
Is Jacob O'sullivan enrolled in Medicare?
Yes. Jacob O'sullivan 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 Jacob O'sullivan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Jacob O'sullivan reassigns Medicare benefits to 3 organizations: Indiana University Health Care Associates, Inc (Indianapolis, IN), Community Physicians Of Indiana Inc (Indianapolis, IN) and Community Anesthesia Associates, PC (Indianapolis, IN). 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 Jacob O'sullivan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Jacob O'sullivan accept?
Health plans from Ambetter Health, Ambetter from Buckeye Health Plan, Ambetter from Meridian and CareSource list Jacob O'sullivan 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 Jacob O'sullivan affiliated with any hospitals?
According to CMS data, Jacob O'sullivan is affiliated with Community Hospital South, Inc..
When was this NPI record last updated?
The NPPES record for Jacob O'sullivan was last updated on December 18, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.