Dr. Marykathleen Heneghan M.D.
Also known as
- Formerly known asSadowski, Marykathleen A.
Source: NPPES public registry.
About this NPIWhat this record shows.
NPI 1639376551 is registered to Dr. Marykathleen Heneghan M.D., a Pediatric Endocrinology Physician practising at 1675 Dempster St, 2nd Floor in Park Ridge, Illinois. Pediatric Endocrinology Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Marykathleen Heneghan M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
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
- I20101019001360Pediatric MedicineIL
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 Dr. Marykathleen Heneghan M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Marykathleen Heneghan M.D. directly at (847) 723-9300.
Frequently asked
Yes. NPI 1639376551 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Pediatric Endocrinology Physician 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 (847) 723-9300.
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. Dr. Marykathleen Heneghan M.D. is a Type-1 individual NPI.