CHRISTINE LEDDY GREENIA M.D.
NPI 1003173048
Psychiatry & Neurology - Psychiatry in Newport, RI
About Christine Leddy Greenia M.d. NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CHRISTINE LEDDY GREENIA M.D. (NPI 1003173048) is an individual psychiatry provider in Newport, Rhode Island, licensed in Rhode Island (MD16278) and active in the NPI registry since April 2012. She is enrolled in Medicare PECOS, maintains a secondary practice location in Syracuse, and is a graduate of State University Of New York At Buffalo School Of Medicine (2012).
NPPES Registry Identity
Specialties & Licenses 2
Secondary Practice Location 1
Other Identifiers 1
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
Christine Leddy Greenia M.d. 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 Christine Greenia reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Providence, RI 02903
- Reassigned Medicare billing, Rhode Island enrollment
- 315 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 3
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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 02840 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Christine Greenia's NPI number?
The NPI number for Christine Greenia is 1003173048. It was assigned to this individual provider in the NPPES registry on April 16, 2012.
Where is Christine Greenia located?
Christine Greenia practices at 11 Friendship St, Newport, RI 02840. The listed phone number is (401) 845-1810.
What is Christine Greenia's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Christine Greenia enrolled in Medicare?
Yes. Christine Greenia 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 Christine Greenia's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Christine Greenia reassigns Medicare benefits to Lifespan Physician Group, Inc. (Providence, RI). 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 Christine Greenia's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
When was this NPI record last updated?
The NPPES record for Christine Greenia was last updated on December 9, 2019. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 years 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.