Peter Siekmeier M.D.
About this NPIWhat this record shows.
NPI 1477590156 is registered to Peter Siekmeier M.D., a Psychiatry practising at 115 Mill Street #310a, Mclean Hospital in Belmont, Massachusetts. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. Peter Siekmeier M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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
- I20080522000493PsychiatryMA
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 Peter Siekmeier M.D. accepts. To confirm in-network status with your specific health plan, contact Peter Siekmeier M.D. directly at (617) 855-3588.
Frequently asked
Yes. NPI 1477590156 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 (617) 855-3588.
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. Peter Siekmeier M.D. is a Type-1 individual NPI.