DR. OLIVIA PLANTE MD
NPI 1457938110
Psychiatry & Neurology - Psychiatry in Greenwich, CT
About Dr. Olivia Plante Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
DR. OLIVIA PLANTE MD (NPI 1457938110) is an individual psychiatry provider in Greenwich, Connecticut, licensed in Connecticut (80987) and active in the NPI registry since March 2021. She is enrolled in Medicare PECOS, maintains a secondary practice location in Long Beach, and is a graduate of State University Of New York At Buffalo School Of Medicine (2021).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
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
Dr. Olivia Plante 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 Olivia Plante reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Great Neck, NY 11021
- Reassigned Medicare billing, New York enrollment
- 9,353 clinicians in this Medicare group
Port Jefferson, NY 11777
- Reassigned Medicare billing, New York enrollment
- 255 clinicians in this Medicare group
Jacksonville, FL 32207
- Reassigned Medicare billing, Connecticut enrollment
- 57 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.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 06830 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 4
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
GREENWICH, CT 06830
GREENWICH, CT 06830
GREENWICH, CT 06830
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 Olivia Plante's NPI number?
The NPI number for Olivia Plante is 1457938110. It was assigned to this individual provider in the NPPES registry on March 26, 2021.
Where is Olivia Plante located?
Olivia Plante practices at 100 Melrose Ave Ste 101, Greenwich, CT 06830. The listed phone number is (914) 458-2355.
What is Olivia Plante's specialty?
The primary specialty registered for this NPI is Psychiatry & Neurology, specializing in Psychiatry, with taxonomy code 2084P0800X.
Is Olivia Plante enrolled in Medicare?
Yes. Olivia Plante 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 Olivia Plante's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Olivia Plante reassigns Medicare benefits to 3 organizations: North Shore-Lij Medical PC (Great Neck, NY), John T. Mather Memorial Hospital (Port Jefferson, NY) and Mccd Fl Psychiatry Services PA (Jacksonville, FL). 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 Olivia Plante's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Olivia Plante accept?
Health plans from Cigna HealthCare of Florida, Inc., Cigna Healthcare, Oscar Health and UnitedHealthcare list Olivia Plante 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.
When was this NPI record last updated?
The NPPES record for Olivia Plante was last updated on September 24, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 37 days 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.
# Dr. Olivia Plante, MD · NPI 1457938110
Psychiatry physician in Greenwich, Connecticut. Individual provider, active in the CMS NPPES registry since March 26, 2021.
## Identity
- **NPI:** 1457938110 (Entity type: Individual)
- **Enumerated:** March 26, 2021
- **Primary specialty:** Psychiatry & Neurology - Psychiatry · taxonomy 2084P0800X
- **State license:** 80987 (Connecticut)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 100 MELROSE AVE STE 101, Greenwich, CT 06830-6277
- **Phone:** (914) 458-2355
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** 3 organizations under Medicare reassignment (form CMS-855R): North Shore-Lij Medical PC (NPI 1053688572, Great Neck, NY); John T. Mather Memorial Hospital (NPI 1467249334, Port Jefferson, NY); Mccd Fl Psychiatry Services PA (NPI 1659003457, Jacksonville, FL) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** State University Of New York At Buffalo School Of Medicine, class of 2021
## Record status
- **NPPES last updated:** September 24, 2026
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Source: [NPI Profile](https://npiprofile.com/npi/1457938110) · Data from the CMS NPPES public registry.