Michael Callahan MD
About this NPIWhat this record shows.
NPI 1548396492 is registered to Michael Callahan MD, a Gynecologic Oncology practising at 8402 Harcourt Rd Ste 420 in Indianapolis, Indiana. Gynecologic Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Michael Callahan MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 1 PECOS enrollment record (with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 35 Gynecologic Oncology providers on file in Indiana.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds a Medicare enrollment on file with the Provider Enrollment, Chain and Ownership System (PECOS). Each enrollment carries a public Medicare Enrollment ID (ENRLMT_ID) used by billers and intermediaries.
Practitioner
- I20070711000417Gynecological OncologyIN
Source: CMS PECOS public enrollment file.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Michael Callahan MD accepts. To confirm in-network status with your specific health plan, contact Michael Callahan MD directly at (317) 415-6740.
Frequently asked
Yes. NPI 1548396492 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gynecologic Oncology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (317) 415-6740.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Michael Callahan MD is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 35 Gynecologic Oncology providers are registered in Indiana, and Michael Callahan MD is one of them. The figure refreshes each month from the federal source.