Marissa Oconnor
About this NPIWhat this record shows.
NPI 1497271662 is registered to Marissa Oconnor, a Certified Registered Nurse Anesthetist practising at 330 Mount Auburn St in Cambridge, Massachusetts. Certified Registered Nurse Anesthetist is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Marissa Oconnor has been enumerated in the National Provider Identifier (NPI) registry since 2017.
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
- I20181011001311Certified Registered Nurse Anesthetist (CRNA)MA
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 Marissa Oconnor accepts. To confirm in-network status with your specific health plan, contact Marissa Oconnor directly at (774) 253-5361.
Frequently asked
Yes. NPI 1497271662 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Certified Registered Nurse Anesthetist 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 (774) 253-5361.
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. Marissa Oconnor is a Type-1 individual NPI.