Dr. Mahsa Mousavi M.D.
About this NPIWhat this record shows.
NPI 1134408834 is registered to Dr. Mahsa Mousavi M.D., a Psychiatry practising at 20 Hospital Rd # N326, Westchester Medical Center, Behavioral Health Center in Valhalla, New York. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Dr. Mahsa Mousavi M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2011.
Beyond the registryWhat this record adds.
It is enrolled in Medicare, linking to 3 PECOS enrollment records (each with a public Medicare Enrollment ID) sourced from CMS, which the NPPES registry does not list. Within the directory it is one of 7,505 Psychiatry providers on file in New York.
Source: CMS NPPES and PECOS public files. snapshot, refreshed monthly.
Your brand here.
Medicare enrollment
This provider holds 3 Medicare enrollments 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
- I20180504000792PsychiatryNY
- I20191003003240PsychiatryDC
- I20250523000995PsychiatryVA
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. Mahsa Mousavi M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Mahsa Mousavi M.D. directly at (914) 493-1939.
Frequently asked
Yes. NPI 1134408834 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
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 (914) 493-1939.
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. Mahsa Mousavi M.D. is a Type-1 individual NPI.
As of the latest monthly CMS NPPES snapshot, 7,505 Psychiatry providers are registered in New York, and Dr. Mahsa Mousavi M.D. is one of them. The figure refreshes each month from the federal source.